Renesas PCA4738L-64A Technical Information

To our customers, Old Company Name in Catalogs and Other Documents On April 1st, 2010, NEC Electronics Corporation merged with Renesas Technology C

MITSUBISHI MICROCOMPUTERS3802 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER7PART NUMBERINGM3802 2 M 4 - XXX SPProductPackage typeROM numberROM/PROM

MITSUBISHI MICROCOMPUTERS3802 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER8FUNCTIONAL DESCRIPTIONCentral Processing Unit (CPU)The 3802 group uses the sta

MITSUBISHI MICROCOMPUTERS3802 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER9MemorySpecial function register (SFR) areaThe Special Function Register area i

MITSUBISHI MICROCOMPUTERS3802 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER10Fig. 3 Memory map of special function register (SFR)002016002116002216002316

MITSUBISHI MICROCOMPUTERS3802 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER11Related SFRsCPU mode registerCPU mode registerCPU mode registerAD/DA control

MITSUBISHI MICROCOMPUTERS3802 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER12Fig. 4 Port block diagram (single-chip mode) (1)(1) Ports P0, P1, P2, P32–P3

MITSUBISHI MICROCOMPUTERS3802 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER13Fig. 5 Port block diagram (single-chip mode) (2)(14) Port P6(13) Port P56(12

MITSUBISHI MICROCOMPUTERS3802 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER14INTERRUPTSInterrupts occur by sixteen sources: seven external, eight internal

MITSUBISHI MICROCOMPUTERS3802 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER15Fig. 6 Interrupt controlFig. 7 Structure of interrupt-related registersInte

MITSUBISHI MICROCOMPUTERS3802 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER16Timer X count stop bit0: Count start1: Count stopTimer XY mode register(TM :

Notice 1. All information included in this document is current as of the date this document is issued. Such information, however, is subject to chang

MITSUBISHI MICROCOMPUTERS3802 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER17Fig. 9 Block diagram of timer X, timer Y, timer 1, and timer 2Timer X latch

MITSUBISHI MICROCOMPUTERS3802 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER18Serial I/O1Serial I/O1 can be used as either clock synchronous or asynchro-no

MITSUBISHI MICROCOMPUTERS3802 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER19Asynchronous serial I/O (UART) modeClock asynchronous serial I/O mode (UART)

MITSUBISHI MICROCOMPUTERS3802 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER20Fig. 13 Operation of UART serial I/O functionSerial I/O1 control register (S

MITSUBISHI MICROCOMPUTERS3802 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER21b7b7Transmit buffer empty flag (TBE)0: Buffer full1: Buffer emptyReceive buff

MITSUBISHI MICROCOMPUTERS3802 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER22Serial I/O2The serial I/O2 function can be used only for clock synchronousser

MITSUBISHI MICROCOMPUTERS3802 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER23Fig. 17 Timing of serial I/O2 functionD7D0 D1D2D3 D4 D5 D6Transfer clock (No

MITSUBISHI MICROCOMPUTERS3802 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER24Data busCount source selection bit“0”“1”PWM prescaler pre-latchPWM register p

MITSUBISHI MICROCOMPUTERS3802 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER25ABCBTCT2=PWM outputPWM registerwrite signalPWM prescalerwrite signal(Changes

MITSUBISHI MICROCOMPUTERS3802 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER26A-D ConverterThe functional blocks of the A-D converter are described below.[

Regarding the change of names mentioned in the document, such as Mitsubishi Electric and Mitsubishi XX, to Renesas Technology Corp.The semiconductor o

MITSUBISHI MICROCOMPUTERS3802 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER27D-A ConverterThe 3802 group has two internal D-A converters (DA1 and DA2)with

MITSUBISHI MICROCOMPUTERS3802 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER28Note. ✕ : Undefined ✽ : The initial values of CM1 are determined by

MITSUBISHI MICROCOMPUTERS3802 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER29Fig. 28 Timing of resetRESETDataφAddressSYNCXIN: 8 to 13 clock cyclesXIN????

MITSUBISHI MICROCOMPUTERS3802 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER30Clock Generating CircuitAn oscillation circuit can be formed by connecting a

MITSUBISHI MICROCOMPUTERS3802 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER31Processor ModesSingle-chip mode, memory expansion mode, and microprocessormod

MITSUBISHI MICROCOMPUTERS3802 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER32Bus control with memory expansionThe 3802 group has a built-in ONW function t

MITSUBISHI MICROCOMPUTERS3802 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER33NOTES ON PROGRAMMINGProcessor Status RegisterThe contents of the processor st

MITSUBISHI MICROCOMPUTERS3802 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER34DATA REQUIRED FOR MASK ORDERSThe following are necessary when ordering a mask

MITSUBISHI MICROCOMPUTERSSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER3802 Group35ABSOLUTE MAXIMUM RATINGSPower source voltageInput voltage P00–P07, P10–P17, P

MITSUBISHI MICROCOMPUTERSSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER3802 Group36When STP instructionis executed with clockstopped, outputtransistors isolated

P41/INT0252627282930313233343536373839401234567891011121314151617181920212223244849505152535455565758596061626364P00/AD0P03/AD3P04/AD4P05/AD5P06/AD6P

MITSUBISHI MICROCOMPUTERSSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER3802 Group37Note: Using one D-A converter, with the value in the D-A conversion register

MITSUBISHI MICROCOMPUTERSSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER3802 Group38Note: When f(XIN) = 8 MHz and bit 6 of address 001A16 is “1”. Divide this val

MITSUBISHI MICROCOMPUTERSSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER3802 Group39Serial I/O1 clock output “H” pulse widthSerial I/O2 clock output “H” pulse wi

MITSUBISHI MICROCOMPUTERSSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER3802 Group40Note 1: The RESETOUT output goes “H” in sync with the rise of the φ clock tha

MITSUBISHI MICROCOMPUTERSSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER3802 Group41Before φ ONW input set up timeAfter φ ONW input hold timeBefore φ data bus se

MITSUBISHI MICROCOMPUTERSSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER3802 Group42Power source voltageInput voltage P00–P07, P10–P17, P20–P27,P30–P37, P40–P47,

MITSUBISHI MICROCOMPUTERSSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER3802 Group43When STP instructionis executed with clockstopped, outputtransistors isolated

MITSUBISHI MICROCOMPUTERSSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER3802 Group44Note: Using one D-A converter, with the value in the D-A conversion register

MITSUBISHI MICROCOMPUTERSSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER3802 Group45Note: When f(XIN) = 8 MHz and bit 6 of address 001A16 is “1”. Divide this val

MITSUBISHI MICROCOMPUTERSSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER3802 Group46Note 1: The RESETOUT output goes “H” in sync with the rise of the φ clock tha

MITSUBISHI MICROCOMPUTERS3802 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER2PIN CONFIGURATION (TOP VIEW)Package type : 64P4B64-pin shrink plastic-molded

MITSUBISHI MICROCOMPUTERSSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER3802 Group47TIMING DIAGRAM(1) Timing Diagram0.2 VCCtWL(INT)0.8 VCCtWH(INT)0.2 VCC0.2 VCC0

MITSUBISHI MICROCOMPUTERSSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER3802 Group48(2)Timing Diagram in Memory Expansion Mode and Microprocessor Mode (a)(3)Timi

MITSUBISHI MICROCOMPUTERSSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER3802 Group49(4) Timing Diagram in Memory Expansion Mode and Microprocessor Mode (b)0.5 VC

© 1997 MITSUBISHI ELECTRIC CORP.New publication, effective Dec. 1997.Specifications subject to change without notice.Notes regarding these materials•

Rev. Rev.No. date1.0 First Edition 971226REVISION DESCRIPTION LIST 3802 GROUP DATA SHEET(1/1)Revision Description

MITSUBISHI MICROCOMPUTERS3802 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER3FUNCTIONAL BLOCK DIAGRAM (Package : 64P4B)CNTR1CNTR0VREF AVSSRAMROMCPUAXYSPCHP

MITSUBISHI MICROCOMPUTERS3802 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER4PIN DESCRIPTIONPinVCC, VSSCNVSSVREFAV SSRESETXINXOUTP00–P07P10–P17P20–P27P30/D

MITSUBISHI MICROCOMPUTERS3802 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER5RAM size (bytes)3843846401024RemarksMask ROM versionMask ROM versionMask ROM v

MITSUBISHI MICROCOMPUTERS3802 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER6GROUP EXPANSION(Extended operating temperature version)Mitsubishi plans to exp