Nec switch User Manual Page 1

User’s ManualµµµµPD789800µµµµPD78F9801µµµµPD789800 Subseries8-Bit Single-Chip MicrocontrollersPrinted in JapanDocument No. U12978EJ3V0UD00 (3rd edit

User’s Manual U12978EJ3V0UD10TABLE OF CONTENTSCHAPTER 1 GENERAL...

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD100Figure 8-3. Block Diagram of USB TimerInternal busUWDERRINTUSBTMfXUSBCLKRESUME RXNoteClear

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD101(1) Receive bank switching ID detection buffer (internal buffer)This is an internal 2-bit bu

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD102(3) Receive token bank(a) Receive token PID (USBRTP)This is the receive token packet ID area

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD103(4) Receive data bank(a) Receive data PID (USBRD)This is the receive data packet ID area. T

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD104(5) Transmit data banks 0 and 1(a) Transmit data PID banks 0 and 1 (USBTD0 and USBTD1)USBTD0

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD105Figure 8-7. Configuration of Transmit Data Bank 1 (Buffer 1)Data area (8 bytes)USBPOW addre

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD106(6) Data/handshake packet receive byte number counter (DRXCON)This register sets the number

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD107(9) Token address compare register (ADRCMP)This register sets the address specified from the

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD108(10) Data/handshake PID compare register (DIDCMP)This register sets the data/handshake packe

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD1098.4 Registers Controlling USB FunctionThe following nine registers are used to control the U

User’s Manual U12978EJ3V0UD113.3.4 Register addressing ...

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD110Figure 8-11. Format of Data/Handshake Packet Receive Mode RegisterSymbol 67 5 4 3 <2>

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD111(3) Packet receive status register (RXSTAT)This register indicates the receive status of eac

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD112Figure 8-12. Format of Packet Receive Status RegisterSymbol 67 543210UWDERRRESMRX SE0RX URE

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD113Table 8-2 shows the state of each flag after receiving the USB reset signal and the Resume s

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD114Figure 8-14. Format of Token Packet Receive Result Store RegisterSymbol <6><7>

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD115(6) Data packet transmit reservation register (DTXRSV)This register sets the bank where the

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD116(7) Handshake packet transmit reservation register (HTXRSV)This register sets the handshake

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD117Figure 8-16. Format of Handshake Packet Transmit Reservation Register (2/2)ACKEN ACK packet

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD118Table 8-3. Conditions in Transmit Reservation (2/2)(b) Transmit reservation for Endpoint1 a

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD119Figure 8-17. Configuration of Handshake Packet Transmit Reservation RegisterEND1RXEND0RXTID

User’s Manual U12978EJ3V0UD12CHAPTER 7 WATCHDOG TIMER ...

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD120(8) USB timer start reservation control register (USBTCL)This register reserves USB timer st

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD121(9) Remote wake-up control register (REMWUP)This register transmits the Resume signal to per

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD1228.5 USB Function Operation8.5.1 USB timer operationThe USB timer is a 7-bit counter that per

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD123Figure 8-20. Flowchart of USB Timer Operation (1/2)SYNC detected?EOP received?SETORX(intern

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD124Figure 8-20. Flowchart of USB Timer Operation (2/2)2INTUSBTM occurredHigh-speed mode overfl

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD1258.5.2 Remote wakeup control operationFigure 8-21. Flow Chart of Remote Wakeup Control Opera

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD126Notes 1. Be sure to follow the exact instruction sequence when the Resume signal (“K” state)

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD1278.6 Interrupt Request from USB Function8.6.1 Interrupt sourcesInterrupt request sources gene

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD128(3) Data/handshake packet transmit interrupt (INTUSBST)Upon EOP detection during data/handsh

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD1298.6.2 Cautions when using interruptsPay attention to the following when using an interrupt r

User’s Manual U12978EJ3V0UD1311.4.2 Maskable interrupt acknowledgment operation...

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD1308.7 USB Function Control8.7.1 Relationship between packets and operation modesThe relationsh

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD131(2) Control transfer (OUT) (Transfer byte count: 9 bytes or more)RequestOperation of host co

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD132(3) Control transfer (IN) (Transfer byte count: 8 bytes or less)RequestOperation of hostcont

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD133(4) Control transfer (IN) (Transfer byte count: 9 bytes or more)RequestOperation of hostcont

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD134(5) No data controlRequestOperation of hostcontrollerIN packetSETUPDATA0ACKPacket fromhost c

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD135(6) Interrupt transferOperation of host controllerIN packetINNAK Packet fromhost controller

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD1368.7.2 Interrupt servicing flow(1) USB token packet reception interrupt servicingINTUSBRT occ

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD137(2) Data/handshake packet reception interrupt servicingINTUSBRD occurrenceRETIPlanned packet

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD138(3) USB timer inadvertent program loop detection interrupt servicingINTUSBTM occurrenceRETIP

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD139(4) 1 ms timer interrupt servicing INTTM00 occurrenceRETIREMOTE WAKEUP?Standby detected?Comm

User’s Manual U12978EJ3V0UD14B.1 Register Index (Alphabetic Order of Register Name) ...229B.2

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD1408.8 USB Function Internal Circuit Operations8.8.1 Operation of transmit/receive pointerFigu

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD141Figure 8-25. Flowchart of Transmit/Receive Pointer Operation (2/7)(1) Token packet receptio

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD142Figure 8-25. Flowchart of Transmit/Receive Pointer Operation (3/7)(2) Data/Handshake packet

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD143Figure 8-25. Flowchart of Transmit/Receive Pointer Operation (4/7)(2) Data/Handshake packet

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD144Figure 8-25. Flowchart of Transmit/Receive Pointer Operation (5/7)(3) Data packet transmit

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD145Figure 8-25. Flowchart of Transmit/Receive Pointer Operation (6/7)(3) Data packet transmit

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD146Figure 8-25. Flowchart of Transmit/Receive Pointer Operation (7/7)(4) Handshake packet tran

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD1478.8.2 Receive bank switching ID detection buffer operationFigure 8-26. Flowchart of Receive

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD1488.8.3 Sync detection/USBCLK detector operationThis circuit generates the USBCLK signal (1.5

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD149Figure 8-29. Flowchart of Sync Detection/USBCLK Detector OperationNYNYNYYNIdle stateUSB clo

User’s Manual U12978EJ3V0UD15LIST OF FIGURES (1/4)Figure No. Title Page2-1 Pin I/O Circuits ...

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD1508.8.4 NRZI encoder operationThis circuit performs NRZI encoding of data to be transmitted.Fi

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD1518.8.5 Bit stuffing/strip controller operationThis circuit counts the number of “logic 1” of

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD152Figure 8-33. Flow Chart of Bit Stuffing Control OperationYYYNNIdle stateIdle stateTransmit

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD153Figure 8-34. Flow Chart of Bit Strip Control OperationYYYNNIdle stateIdle stateReceive bit

User’s Manual U12978EJ3V0UD154CHAPTER 9 SERIAL INTERFACE 109.1 Functions of Serial Interface 10Serial interface 10 has the following two modes.

CHAPTER 9 SERIAL INTERFACE 10User’s Manual U12978EJ3V0UD1559.2 Configuration of Serial Interface 10Serial interface 10 consists of the followin

CHAPTER 9 SERIAL INTERFACE 10User’s Manual U12978EJ3V0UD156Figure 9-1. Block Diagram of Serial Interface 10Internal busCSIE10 TPS100 DIR10Seri

CHAPTER 9 SERIAL INTERFACE 10User’s Manual U12978EJ3V0UD1579.3 Register Controlling Serial Interface 10The following register is used to contro

CHAPTER 9 SERIAL INTERFACE 10User’s Manual U12978EJ3V0UD158Table 9-2. Operating Mode Settings of Serial Interface 10(1) Operation stop modeCSI

CHAPTER 9 SERIAL INTERFACE 10User’s Manual U12978EJ3V0UD1599.4 Operation of Serial Interface 10Serial interface 10 provides the following two m

User’s Manual U12978EJ3V0UD16LIST OF FIGURES (2/4)Figure No. Title Page6-7 Interval Timer Operation Timing of 8-Bit Timer/Event Counter 01...

CHAPTER 9 SERIAL INTERFACE 10User’s Manual U12978EJ3V0UD1609.4.2 3-wire serial I/O modeThe 3-wire serial I/O mode is useful for connection of p

CHAPTER 9 SERIAL INTERFACE 10User’s Manual U12978EJ3V0UD161(2) Communication operationIn the 3-wire serial I/O mode, data transmission/receptio

User’s Manual U12978EJ3V0UD162CHAPTER 10 REGULATORThe µPD789800 incorporates a regulator that powers the USB driver/receiver. The features are a

User’s Manual U12978EJ3V0UD163CHAPTER 11 INTERRUPT FUNCTIONS11.1 Interrupt Function TypesThe following two types of interrupt functions are used

CHAPTER 11 INTERRUPT FUNCTIONSUser’s Manual U12978EJ3V0UD164Table 11-1. Interrupt Source ListType of Interrupt PriorityNote 1Interrupt SourceNa

CHAPTER 11 INTERRUPT FUNCTIONSUser’s Manual U12978EJ3V0UD165Figure 11-1. Basic Configuration of Interrupt Function(A) Internal non-maskable in

CHAPTER 11 INTERRUPT FUNCTIONSUser’s Manual U12978EJ3V0UD16611.3 Registers Controlling Interrupt FunctionThe following five registers are used t

CHAPTER 11 INTERRUPT FUNCTIONSUser’s Manual U12978EJ3V0UD167(1) Interrupt request flag registers (IF0 and IF1)The interrupt request flag is set

CHAPTER 11 INTERRUPT FUNCTIONSUser’s Manual U12978EJ3V0UD168(2) Interrupt mask flag registers (MK0 and MK1)The interrupt mask flag is used to en

CHAPTER 11 INTERRUPT FUNCTIONSUser’s Manual U12978EJ3V0UD169(4) Program status word (PSW)The program status word is a register used to hold the

User’s Manual U12978EJ3V0UD17LIST OF FIGURES (3/4)Figure No. Title Page8-31 Flow Chart of NRZI Encoder Operation ...

CHAPTER 11 INTERRUPT FUNCTIONSUser’s Manual U12978EJ3V0UD170(5) Key return mode register 00 (KRM00)This register sets the pin that detects a key

CHAPTER 11 INTERRUPT FUNCTIONSUser’s Manual U12978EJ3V0UD17111.4 Interrupt Servicing Operation11.4.1 Non-maskable interrupt acknowledgment opera

CHAPTER 11 INTERRUPT FUNCTIONSUser’s Manual U12978EJ3V0UD172Figure 11-8. Flowchart of Non-Maskable Interrupt Request AcknowledgmentStartWDTM4 =

CHAPTER 11 INTERRUPT FUNCTIONSUser’s Manual U12978EJ3V0UD17311.4.2 Maskable interrupt acknowledgment operationA maskable interrupt can be acknow

CHAPTER 11 INTERRUPT FUNCTIONSUser’s Manual U12978EJ3V0UD174Figure 11-12. Timing of Interrupt Request Acknowledgment (Example of MOV A,r)ClockC

CHAPTER 11 INTERRUPT FUNCTIONSUser’s Manual U12978EJ3V0UD17511.4.3 Multiplexed interrupt servicingServicing in which another interrupt is acknow

CHAPTER 11 INTERRUPT FUNCTIONSUser’s Manual U12978EJ3V0UD176Figure 11-14. Example of Multiplexed Interrupt ServicingExample 1. Acknowledging m

CHAPTER 11 INTERRUPT FUNCTIONSUser’s Manual U12978EJ3V0UD17711.4.4 Interrupt request holdIf an interrupt (such as a maskable, non-maskable, or e

User’s Manual U12978EJ3V0UD178CHAPTER 12 STANDBY FUNCTION12.1 Standby Function and Configuration12.1.1 Standby functionThe standby function is u

CHAPTER 12 STANDBY FUNCTIONUser’s Manual U12978EJ3V0UD17912.1.2 Register controlling standby functionThe wait time after the STOP mode is releas

User’s Manual U12978EJ3V0UD18LIST OF FIGURES (4/4)Figure No. Title Page14-3 Example of Connection with Dedicated Flash Programmer ...

CHAPTER 12 STANDBY FUNCTIONUser’s Manual U12978EJ3V0UD18012.2 Standby Function Operation12.2.1 HALT mode(1) HALT modeThe HALT mode is set by exe

CHAPTER 12 STANDBY FUNCTIONUser’s Manual U12978EJ3V0UD181(2) Releasing HALT modeThe HALT mode can be released by the following three sources.(a)

CHAPTER 12 STANDBY FUNCTIONUser’s Manual U12978EJ3V0UD182(c) Releasing by RESET inputWhen the HALT mode is released by the RESET signal, executi

CHAPTER 12 STANDBY FUNCTIONUser’s Manual U12978EJ3V0UD18312.2.2 STOP mode(1) Setting and operation status of STOP modeThe STOP mode is set by ex

CHAPTER 12 STANDBY FUNCTIONUser’s Manual U12978EJ3V0UD184(2) Releasing STOP modeThe STOP mode can be released by the following two sources.(a) R

CHAPTER 12 STANDBY FUNCTIONUser’s Manual U12978EJ3V0UD185(b) Releasing by RESET inputWhen the STOP mode is released by the RESET signal, the res

User’s Manual U12978EJ3V0UD186CHAPTER 13 RESET FUNCTIONThe following two operations are available to generate reset signals.(1) External reset

CHAPTER 13 RESET FUNCTIONUser’s Manual U12978EJ3V0UD187Figure 13-2. Reset Timing by RESET InputX1RESETInternalreset signalPort pinDuring normal

CHAPTER 13 RESET FUNCTIONUser’s Manual U12978EJ3V0UD188Table 13-1. Hardware Status After Reset (1/2)Hardware Status After ResetProgram counter

CHAPTER 13 RESET FUNCTIONUser’s Manual U12978EJ3V0UD189Table 13-1. Hardware Status After Reset (2/2)Hardware Status After ResetUSB function Dat

User’s Manual U12978EJ3V0UD19LIST OF TABLES (1/2)Table No. Title Page2-1 Type of Pin I/O Circuit Recommended Connection of Unused Pins ...

User’s Manual U12978EJ3V0UD190CHAPTER 14 µµµµPD78F9801The µPD78F9801 is a product that substitutes flash memory for the internal ROM of the mask

CHAPTER 14 µµµµPD78F9801User’s Manual U12978EJ3V0UD19114.1 Flash Memory CharacteristicsFlash memory programming is performed by connecting a ded

CHAPTER 14 µµµµPD78F9801User’s Manual U12978EJ3V0UD19214.1.2 Communication modeUse the communication mode shown in Table 14-2 to perform communi

CHAPTER 14 µµµµPD78F9801User’s Manual U12978EJ3V0UD193Figure 14-3. Example of Connection with Dedicated Flash Programmer(a) 3-wire serial I/ODe

CHAPTER 14 µµµµPD78F9801User’s Manual U12978EJ3V0UD194If Flashpro III (part no. FL-PR3, PG-FP3)/Flashpro IV is used as a dedicated flash programm

CHAPTER 14 µµµµPD78F9801User’s Manual U12978EJ3V0UD19514.1.3 On-board pin processingWhen performing programming on the target system, provide a

CHAPTER 14 µµµµPD78F9801User’s Manual U12978EJ3V0UD196(1) Signal conflictIf the dedicated flash programmer (output) is connected to a serial inte

CHAPTER 14 µµµµPD78F9801User’s Manual U12978EJ3V0UD197<RESET pin>If the reset signal of the dedicated flash programmer is connected to the

CHAPTER 14 µµµµPD78F9801User’s Manual U12978EJ3V0UD19814.1.4 Connection of adapter for flash writingThe following figure shows an example of rec

CHAPTER 14 µµµµPD78F9801User’s Manual U12978EJ3V0UD199Figure 14-9. Wiring Example for Flash Writing Adapter with Pseudo-3-Wire Method12 13 14

User’s Manual U12978EJ3V0UD2[MEMO]

User’s Manual U12978EJ3V0UD20LIST OF TABLES (2/2)Table No. Title Page12-3 STOP Mode Operation Status ...

User’s Manual U12978EJ3V0UD200CHAPTER 15 INSTRUCTION SETThis chapter lists the instruction set of the µPD789800 Subseries. For details of the o

CHAPTER 15 INSTRUCTION SETUser’s Manual U12978EJ3V0UD20115.1.2 Description of “operation” columnA: A register; 8-bit accumulatorX: X registerB:

CHAPTER 15 INSTRUCTION SETUser’s Manual U12978EJ3V0UD20215.2 Operation ListMnemonic Operands Bytes Clocks Operation FlagZACCYMOV r,#byte 3 6 r ←

CHAPTER 15 INSTRUCTION SETUser’s Manual U12978EJ3V0UD203Mnemonic Operands Bytes Clocks Operation FlagZACCYMOVW rp,#word 3 6 rp ← wordAX,saddrp 2

CHAPTER 15 INSTRUCTION SETUser’s Manual U12978EJ3V0UD204Mnemonic Operands Bytes Clocks Operation FlagZACCYSUBC A,#byte 2 4 A,CY ← A−byte−CY ×××s

CHAPTER 15 INSTRUCTION SETUser’s Manual U12978EJ3V0UD205Mnemonic Operands Bytes Clocks Operation FlagZACCYCMP A,#byte 2 4 A−byte ×××saddr,#byte

CHAPTER 15 INSTRUCTION SETUser’s Manual U12978EJ3V0UD206Mnemonic Operands Bytes Clocks Operation FlagZACCYCALL !addr16 3 6 (SP−1) ← (PC+3)H, (SP

CHAPTER 15 INSTRUCTION SETUser’s Manual U12978EJ3V0UD20715.3 Instructions Listed by Addressing Type(1) 8-bit instructionsMOV, XCH, ADD, ADDC, SU

CHAPTER 15 INSTRUCTION SETUser’s Manual U12978EJ3V0UD208(2) 16-bit instructionsMOVW, XCHW, ADDW, SUBW, CMPW, PUSH, POP, INCW, DECW2nd Operand1st

CHAPTER 15 INSTRUCTION SETUser’s Manual U12978EJ3V0UD209(4) Call instructions/branch instructionsCALL, CALLT, BR, BC, BNC, BZ, BNZ, DBNZ2nd Oper

User’s Manual U12978EJ3V0UD21CHAPTER 1 GENERAL1.1 Features• On-chip USB functions• Implements a USB (Universal Serial Bus) by connecting to Hub a

User’s Manual U12978EJ3V0UD210CHAPTER 16 ELECTRICAL SPECIFICATIONSAbsolute Maximum Ratings (TA = 25°°°°C)Parameter Symbol Conditions Rating Unit

CHAPTER 16 ELECTRICAL SPECIFICATIONSUser’s Manual U12978EJ3V0UD211System Clock Oscillation Circuit Characteristics (TA = −−−−40 to +85°°°°C, VD

CHAPTER 16 ELECTRICAL SPECIFICATIONSUser’s Manual U12978EJ3V0UD212DC Characteristics (TA = −−−−40 to +85°°°°C, VDD = 4.0 to 5.5 V) (1/2)Paramete

CHAPTER 16 ELECTRICAL SPECIFICATIONSUser’s Manual U12978EJ3V0UD213DC Characteristics (TA = −−−−40 to +85°°°°C, VDD = 4.0 to 5.5 V) (2/2)Paramet

CHAPTER 16 ELECTRICAL SPECIFICATIONSUser’s Manual U12978EJ3V0UD214AC Characteristics(1) Basic operations (TA = −−−−40 to +85°°°°C, VDD = 4.0 to

CHAPTER 16 ELECTRICAL SPECIFICATIONSUser’s Manual U12978EJ3V0UD215(b) 3-wire serial I/O mode (TA = −−−−40 to +85°°°°C, VDD = 4.0 to 5.5 V)(i)

CHAPTER 16 ELECTRICAL SPECIFICATIONSUser’s Manual U12978EJ3V0UD216AC Timing Measurement Points (Except X1 Input and USB Function)0.8VDD0.2VDD0.8

CHAPTER 16 ELECTRICAL SPECIFICATIONSUser’s Manual U12978EJ3V0UD217Serial Transfer TimingUSB function:USBDM and USBDP rise/fall timeUSBDM, USBDP

CHAPTER 16 ELECTRICAL SPECIFICATIONSUser’s Manual U12978EJ3V0UD218Data Memory STOP Mode Low Supply Voltage Data Retention Characteristics (TA =

User’s Manual U12978EJ3V0UD219CHAPTER 17 PACKAGE DRAWINGS33342244112112344 PIN PLASTIC LQFP (10x10)ITEM MILLIMETERSNQ0.1±0.050.10S44GB-80-8ES-2J

CHAPTER 1 GENERALUser’s Manual U12978EJ3V0UD221.4 Pin Configuration (Top View)• 44-pin plastic LQFP (10 × 10)µPD789800GB-×××-8ES, µPD78F9801GB-8E

User’s Manual U12978EJ3V0UD220CHAPTER 18 RECOMMENDED SOLDERING CONDITIONSThe µPD789800 Subseries should be soldered and mounted under the follo

User’s Manual U12978EJ3V0UD221APPENDIX A DEVELOPMENT TOOLSThe following development tools are available for development of systems using the µPD

APPENDIX A DEVELOPMENT TOOLSUser’s Manual U12978EJ3V0UD222Figure A-1. Development ToolsLanguage processing software· Assembler package· C compi

APPENDIX A DEVELOPMENT TOOLSUser’s Manual U12978EJ3V0UD223A.1 Software PackageSoftware tools for development of the 78K/0S Series are combined

APPENDIX A DEVELOPMENT TOOLSUser’s Manual U12978EJ3V0UD224Remark ×××× in the part number differs depending on the host machine and operating sys

APPENDIX A DEVELOPMENT TOOLSUser’s Manual U12978EJ3V0UD225A.5 Debugging Tools (Hardware)IE-78K0S-NSIn-circuit emulatorIn-circuit emulator for d

APPENDIX A DEVELOPMENT TOOLSUser’s Manual U12978EJ3V0UD226A.6 Debugging Tools (Software)This debugger supports the in-circuit emulators IE-78K0

APPENDIX A DEVELOPMENT TOOLSUser’s Manual U12978EJ3V0UD227A.7 Notes on Target System DesignFigures A-2 and A-3 show the conditions when connect

APPENDIX A DEVELOPMENT TOOLSUser’s Manual U12978EJ3V0UD228Figure A-3. Connection Condition of Target System (NP-H44GB-TQ)Emulation boardIE-7898

User’s Manual U12978EJ3V0UD229APPENDIX B REGISTER INDEXB.1 Register Index (Alphabetic Order of Register Name)8-bit compare register 00 (CR00) ..

CHAPTER 1 GENERALUser’s Manual U12978EJ3V0UD231.5 78K/0S Series LineupThe products in the 78K/0S Series are listed below. The names enclosed in

APPENDIX B REGISTER INDEXUser’s Manual U12978EJ3V0UD230Port mode register 2 (PM2)...

APPENDIX B REGISTER INDEXUser’s Manual U12978EJ3V0UD231B.2 Register Index (Alphabetic Order of Register Symbol)[A]ADRCMP: Token address compare

APPENDIX B REGISTER INDEXUser’s Manual U12978EJ3V0UD232PU0: Pull-up resistor option register 0 ...

User’s Manual U12978EJ3V0UD233APPENDIX C REVISION HISTORYThe revision history is described below. The “Applied to” column indicates the chapter

APPENDIX C REVISION HISTORYUser’s Manual U12978EJ3V0UD234(2/2)Edition Major Revisions from Previous Edition Applied to:Correction of address val

CHAPTER 1 GENERALUser’s Manual U12978EJ3V0UD24The major differences between subseries are shown below.Series for General-Purpose and LCD DriveTim

CHAPTER 1 GENERALUser’s Manual U12978EJ3V0UD25Series for ASSPTimer VDDFunctionSubseriesROMCapacity(Bytes)8-Bit 16-Bit Watch WDT8-BitA/D10-BitA/DS

CHAPTER 1 GENERALUser’s Manual U12978EJ3V0UD261.6 Block DiagramKey return 08-bit timer 008-bit timer/event counter 01Watchdog timerRegulatorUSBfu

CHAPTER 1 GENERALUser’s Manual U12978EJ3V0UD271.7 FunctionsProductItemµPD789800µPD78F9801Internal memory ROM Mask ROM8 KBFlash memory16 KBHigh-sp

User’s Manual U12978EJ3V0UD28CHAPTER 2 PIN FUNCTIONS2.1 List of Pin Functions(1) Port pinsPin Name I/O Function After Reset AlternateFunctionP00

CHAPTER 2 PIN FUNCTIONSUser’s Manual U12978EJ3V0UD29(2) Non-port pinsPin Name I/O Function After Reset AlternateFunctionINTP0 Input External int

User’s Manual U12978EJ3V0UD3NOTES FOR CMOS DEVICES1 PRECAUTION AGAINST ESD FOR SEMICONDUCTORSNote:Strong electric field, when exposed to a MOS device

CHAPTER 2 PIN FUNCTIONSUser’s Manual U12978EJ3V0UD302.2 Pin Functions2.2.1 P00 to P07 (Port 0)These pins constitute an 8-bit I/O port and can be

CHAPTER 2 PIN FUNCTIONSUser’s Manual U12978EJ3V0UD312.2.4 P40 to P47 (Port 4)These pins constitute an 8-bit I/O port. In addition, they also fu

CHAPTER 2 PIN FUNCTIONSUser’s Manual U12978EJ3V0UD322.2.12 VPP (µµµµPD78F9801 only)A high voltage should be applied to this pin when the flash m

CHAPTER 2 PIN FUNCTIONSUser’s Manual U12978EJ3V0UD332.3 Pin I/O Circuits and Recommended Connection of Unused PinsTable 2-1 lists the types of I

CHAPTER 2 PIN FUNCTIONSUser’s Manual U12978EJ3V0UD34Figure 2-1. Pin I/O CircuitsType 2Type 5-RType 8-FType 24-AType 8-CINSchmitt-triggered inpu

User’s Manual U12978EJ3V0UD35CHAPTER 3 CPU ARCHITECTURE3.1 Memory SpaceThe µPD789800 Subseries can access 64 KB of memory space.Figures 3-1 and

CHAPTER 3 CPU ARCHITECTUREUser’s Manual U12978EJ3V0UD36Figure 3-2. Memory Map (µµµµPD78F9801)ReservedFlash memory16,384 × 8 bitsInternal high-s

CHAPTER 3 CPU ARCHITECTUREUser’s Manual U12978EJ3V0UD373.1.1 Internal program memory spaceThe internal program memory space stores programs and

CHAPTER 3 CPU ARCHITECTUREUser’s Manual U12978EJ3V0UD383.1.4 Data memory addressingThe µPD789800 Subseries provides a variety of addressing mode

CHAPTER 3 CPU ARCHITECTUREUser’s Manual U12978EJ3V0UD39Figure 3-4. Data Memory Addressing (µµµµPD78F9801)Special function registers (SFR)256 ×

User’s Manual U12978EJ3V0UD4These commodities, technology or software, must be exported in accordance with the export administration regulations of t

CHAPTER 3 CPU ARCHITECTUREUser’s Manual U12978EJ3V0UD403.2 Processor RegistersThe µPD789800 Subseries provides the following on-chip processor r

CHAPTER 3 CPU ARCHITECTUREUser’s Manual U12978EJ3V0UD41(a) Interrupt enable flag (IE)This flag controls interrupt request acknowledgment operati

CHAPTER 3 CPU ARCHITECTUREUser’s Manual U12978EJ3V0UD42(3) Stack pointer (SP)This is a 16-bit register that holds the start address of the memor

CHAPTER 3 CPU ARCHITECTUREUser’s Manual U12978EJ3V0UD433.2.2 General-purpose registersThe general-purpose registers consist of eight 8-bit regis

CHAPTER 3 CPU ARCHITECTUREUser’s Manual U12978EJ3V0UD443.2.3 Special function registers (SFRs)Unlike general-purpose registers, each special fun

CHAPTER 3 CPU ARCHITECTUREUser’s Manual U12978EJ3V0UD45Table 3-2. Special Function Register List (1/3)Address Special Function Register (SFR) N

CHAPTER 3 CPU ARCHITECTUREUser’s Manual U12978EJ3V0UD46Table 3-2. Special Function Register List (2/3)Address Special Function Register (SFR) N

CHAPTER 3 CPU ARCHITECTUREUser’s Manual U12978EJ3V0UD47Table 3-2. Special Function Register List (3/3)Address Special Function Register (SFR) N

CHAPTER 3 CPU ARCHITECTUREUser’s Manual U12978EJ3V0UD483.3 Instruction Address AddressingAn instruction address is determined by program counter

CHAPTER 3 CPU ARCHITECTUREUser’s Manual U12978EJ3V0UD493.3.2 Immediate addressing[Function]Immediate data in the instruction word is transferred

User’s Manual U12978EJ3V0UD5Regional Information• Device availability• Ordering information• Product release schedule• Availability of related te

CHAPTER 3 CPU ARCHITECTUREUser’s Manual U12978EJ3V0UD503.3.3 Table indirect addressing[Function]Table contents (branch destination address) of t

CHAPTER 3 CPU ARCHITECTUREUser’s Manual U12978EJ3V0UD513.4 Operand Address AddressingThe following methods are available to specify the register

CHAPTER 3 CPU ARCHITECTUREUser’s Manual U12978EJ3V0UD523.4.2 Short direct addressing[Function]The memory to be manipulated in the fixed space is

CHAPTER 3 CPU ARCHITECTUREUser’s Manual U12978EJ3V0UD533.4.3 Special function register (SFR) addressing[Function]The memory-mapped special funct

CHAPTER 3 CPU ARCHITECTUREUser’s Manual U12978EJ3V0UD543.4.4 Register addressing[Function]In the register addressing mode, general-purpose regis

CHAPTER 3 CPU ARCHITECTUREUser’s Manual U12978EJ3V0UD553.4.5 Register indirect addressing[Function]In the register indirect addressing mode, mem

CHAPTER 3 CPU ARCHITECTUREUser’s Manual U12978EJ3V0UD563.4.6 Based addressing[Function]8-bit immediate data is added to the contents of the base

User’s Manual U12978EJ3V0UD57CHAPTER 4 PORT FUNCTIONS4.1 Port FunctionsThe µPD789800 Subseries provides the ports shown in Figure 4-1, enabling

CHAPTER 4 PORT FUNCTIONSUser’s Manual U12978EJ3V0UD58Table 4-1. Functions of PortsPin Name I/O Function After Reset AlternateFunctionP00 toP07I

CHAPTER 4 PORT FUNCTIONSUser’s Manual U12978EJ3V0UD594.2 Port ConfigurationPorts consists the following hardware.Table 4-2. Configuration of Po

User’s Manual U12978EJ3V0UD6Major Revisions in This EditionPage ContentsDeletion of CU-type and GB-3BS type packagesThroughoutDeletion of indication

CHAPTER 4 PORT FUNCTIONSUser’s Manual U12978EJ3V0UD604.2.1 Port 0This is an 8-bit I/O port with an output latch. Port 0 can be specified in the

CHAPTER 4 PORT FUNCTIONSUser’s Manual U12978EJ3V0UD614.2.2 Port 1This is an 8-bit I/O port with an output latch. Port 1 can be specified in the

CHAPTER 4 PORT FUNCTIONSUser’s Manual U12978EJ3V0UD624.2.3 Port 2This is a 7-bit I/O port with an output latch. Port 2 can be specified in the

CHAPTER 4 PORT FUNCTIONSUser’s Manual U12978EJ3V0UD63Figure 4-5. Block Diagram of P21PU0: Pull-up resistor option register 0PM: Port mode regis

CHAPTER 4 PORT FUNCTIONSUser’s Manual U12978EJ3V0UD64Figure 4-6. Block Diagram of P22PU0: Pull-up resistor option register 0PM: Port mode regis

CHAPTER 4 PORT FUNCTIONSUser’s Manual U12978EJ3V0UD65Figure 4-7. Block Diagram of P23 and P24Internal busWRPU0RDWRPORTWRPMPU02Output latch(P23,

CHAPTER 4 PORT FUNCTIONSUser’s Manual U12978EJ3V0UD66Figure 4-8. Block Diagram of P25RDVDD0P25WRPOM1WRPU0WRPORTWRPMOutput latch(P25)PM25PU02P-c

CHAPTER 4 PORT FUNCTIONSUser’s Manual U12978EJ3V0UD67Figure 4-9. Block Diagram of P26RDVDD0P26WRPOM1WRPU0WRPORTWRPMOutput latch(P26)PM26PU02P-c

CHAPTER 4 PORT FUNCTIONSUser’s Manual U12978EJ3V0UD684.2.4 Port 4This is an 8-bit I/O port with an output latch. Port 4 can be specified in the

CHAPTER 4 PORT FUNCTIONSUser’s Manual U12978EJ3V0UD694.3 Registers Controlling Port FunctionThe following three types of registers control the p

User’s Manual U12978EJ3V0UD7INTRODUCTIONReaders This manual is intended for users who wish to understand the functions of theµPD789800 Subseries and

CHAPTER 4 PORT FUNCTIONSUser’s Manual U12978EJ3V0UD70Table 4-3. Port Mode Register and Output Latch Settings When Using Alternate FunctionsSeco

CHAPTER 4 PORT FUNCTIONSUser’s Manual U12978EJ3V0UD71(3) Port output mode registers (POM0 and POM1)The port output mode registers (POM0 and POM1

CHAPTER 4 PORT FUNCTIONSUser’s Manual U12978EJ3V0UD724.4 Port Function OperationThe operation of a port differs depending on whether the port is

User’s Manual U12978EJ3V0UD73CHAPTER 5 CLOCK GENERATOR5.1 Clock Generator FunctionsThe clock generator generates the clock to be supplied to the

CHAPTER 5 CLOCK GENERATORUser’s Manual U12978EJ3V0UD745.3 Register Controlling Clock GeneratorThe clock generator is controlled by the following

CHAPTER 5 CLOCK GENERATORUser’s Manual U12978EJ3V0UD755.4 System Clock Oscillators5.4.1 System clock oscillatorThe system clock oscillator is os

CHAPTER 5 CLOCK GENERATORUser’s Manual U12978EJ3V0UD765.4.2 Examples of incorrect resonator connectionFigure 5-4 shows examples of incorrect res

CHAPTER 5 CLOCK GENERATORUser’s Manual U12978EJ3V0UD77Figure 5-4. Examples of Incorrect Resonator Connection (2/2)(e) Signals are fetched VSS0

CHAPTER 5 CLOCK GENERATORUser’s Manual U12978EJ3V0UD785.6 Changing Setting of CPU Clock5.6.1 Time required for switching CPU clockThe CPU clock

User’s Manual U12978EJ3V0UD79CHAPTER 6 8-BIT TIMER/EVENT COUNTERS 00 AND 016.1 Functions of 8-Bit Timer/Event Counters 00 and 01The 8-bit ti

User’s Manual U12978EJ3V0UD8Related Documents The related documents indicated in this publication may include preliminary versions.However, prelimina

CHAPTER 6 8-BIT TIMER/EVENT COUNTERS 00 AND 01User’s Manual U12978EJ3V0UD80(3) Square wave outputA square wave of arbitrary frequency can be

CHAPTER 6 8-BIT TIMER/EVENT COUNTERS 00 AND 01User’s Manual U12978EJ3V0UD81Figure 6-2. Block Diagram of 8-Bit Timer/Event Counter 01Interna

CHAPTER 6 8-BIT TIMER/EVENT COUNTERS 00 AND 01User’s Manual U12978EJ3V0UD826.3 Registers Controlling 8-Bit Timer/Event Counters 00 and 01The

CHAPTER 6 8-BIT TIMER/EVENT COUNTERS 00 AND 01User’s Manual U12978EJ3V0UD83(2) 8-bit timer mode control register 01 (TMC01)TMC01 determines

CHAPTER 6 8-BIT TIMER/EVENT COUNTERS 00 AND 01User’s Manual U12978EJ3V0UD84(3) Port mode register 2 (PM2)This register sets port 2 input/out

CHAPTER 6 8-BIT TIMER/EVENT COUNTERS 00 AND 01User’s Manual U12978EJ3V0UD856.4 Operation of 8-Bit Timer/Event Counters 00 and 016.4.1 Operat

CHAPTER 6 8-BIT TIMER/EVENT COUNTERS 00 AND 01User’s Manual U12978EJ3V0UD86Figure 6-6. Interval Timer Operation Timing of 8-Bit Timer 00Cle

CHAPTER 6 8-BIT TIMER/EVENT COUNTERS 00 AND 01User’s Manual U12978EJ3V0UD876.4.2 Operation as external event counter (timer 01 only)The exte

CHAPTER 6 8-BIT TIMER/EVENT COUNTERS 00 AND 01User’s Manual U12978EJ3V0UD886.4.3 Operation as square-wave output (timer 01 only)The 8-bit ti

CHAPTER 6 8-BIT TIMER/EVENT COUNTERS 00 AND 01User’s Manual U12978EJ3V0UD89Figure 6-9. Timing of Square-Wave OutputClear ClearInterrupt ack

User’s Manual U12978EJ3V0UD9Other Related DocumentsDocument Name Document No.SEMICONDUCTOR SELECTION GUIDE - Products and Packages - (CD-ROM) X13769

CHAPTER 6 8-BIT TIMER/EVENT COUNTERS 00 AND 01User’s Manual U12978EJ3V0UD906.5 Notes on Using 8-Bit Timer/Event Counters 00 and 01(1) Error

User’s Manual U12978EJ3V0UD91CHAPTER 7 WATCHDOG TIMER7.1 Watchdog Timer FunctionsThe watchdog timer has the following functions.• Watchdog time

CHAPTER 7 WATCHDOG TIMERUser’s Manual U12978EJ3V0UD927.2 Watchdog Timer ConfigurationThe watchdog timer consists of the following hardware.Table

CHAPTER 7 WATCHDOG TIMERUser’s Manual U12978EJ3V0UD937.3 Registers Controlling Watchdog TimerThe following two registers are used to control the

CHAPTER 7 WATCHDOG TIMERUser’s Manual U12978EJ3V0UD94(2) Watchdog timer mode register (WDTM)This register sets the operation mode of the watchdo

CHAPTER 7 WATCHDOG TIMERUser’s Manual U12978EJ3V0UD957.4 Watchdog Timer Operation7.4.1 Operation as watchdog timerThe watchdog timer detects an

CHAPTER 7 WATCHDOG TIMERUser’s Manual U12978EJ3V0UD967.4.2 Operation as interval timerWhen bit 4 (WDTM4) and bit 3 (WDTM3) of the watchdog timer

User’s Manual U12978EJ3V0UD97CHAPTER 8 USB FUNCTION8.1 USB OverviewThe USB (Universal Serial Bus) is suitable for connecting personal computers

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD988.2 USB Function FeaturesThe features of the on-chip USB function provided for the µPD789800

CHAPTER 8 USB FUNCTIONUser’s Manual U12978EJ3V0UD99Figure 8-2. Block Diagram of USB FunctionInternal busInternal busUSBDPUSBDM• Handshake pack