Renesas PCA4738L-80A 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

7MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERGROUP EXPANSIONMitsubishi plans to expand the 3820 group as follows:(1) Suppor

8MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERM38207M8DNew productM38203M4DNew productROM size (bytes)32K28K24K20K16K12K8K

9MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERRemarksMask ROM versionMask ROM versionMask ROM versionMask ROM versionMask RO

10MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERFUNCTIONAL DESCRIPTIONCentral Processing Unit (CPU)The 3820 group uses the

11MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMEMORYSpecial Function Register (SFR) AreaThe Special Function Register area

12MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERFig.3 Memory map of special function register (SFR)00201600211600221600231

13MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERI/O PORTSDirection Registers (ports P2, P41–P47, andP5–P7)The 3820 group has

14MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERRelated SFRsPULL register ASegment outputenable registerPULL register ASegm

15MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERFig. 5 Port block diagram (1)(3)Ports P30–P37VL2/VL3VL1/VSS(1)Ports P0,P1Seg

16MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERFig. 6 Port block diagram (2)Serial I/O2 outputDirection registerPort latc

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

17MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERFig. 7 Port block diagram (3)(17) Port P70Data bus Direction registerPort la

18MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERINTERRUPTSInterrupts occur by sixteen sources: seven external, eight intern

19MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERFig. 8 Interrupt controlFig. 9 Structure of interrupt-related registersInte

20MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERKey Input Interrupt (Key-on Wake Up)A key input interrupt request is genera

21MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERTIMERSThe 3820 group has five timers: timer X, timer Y, timer 1, timer 2,and

22MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERTimer XTimer X is a 16-bit timer that can be selected in one of four modesa

23MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERTimer YTimer Y is a 16-bit timer that can be selected in one of four modes.Ti

24MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERTimer 1, Timer 2, Timer 3Timer 1, timer 2, and timer 3 are 8-bit timers. Th

25MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERSERIAL I/O1Serial I/O1 can be used as either clock synchronous or asynchro-no

26MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERAsynchronous Serial I/O1 (UART) ModeClock asynchronous serial I/O1 mode (UA

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

27MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERSerial I/O1 Control Register (SIO1CON) 001A16The serial I/O1 control register

28MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER77Transmit buffer empty flag (TBE)0: Buffer full1: Buffer emptyReceive buff

29MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERSERIAL I/O2The serial I/O2 function can be used only for clock synchronousser

30MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERFig. 22 Timing of serial I/O2 functionD7D0D1D2D3D4D5D6Transfer clock (Note

31MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERLCD DRIVE CONTROL CIRCUITThe 3820 group has the built-in Liquid Crystal Displ

32MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERFig. 24 Block diagram of LCD controller/driverData busTiming controllerLCD

33MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERBias Control and Applied Voltage to LCDPower Input PinsTo the LCD power input

34MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERLCD Display RAMAddress 004016 to 005316 is the designated RAM for the LCD d

35MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERFig. 27 LCD drive waveform (1/2 bias)Internal logicLCDCK timing1/4 dutyVolta

36MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERFig. 28 LCD drive waveform (1/3 bias)Internal logicLCDCK timing1/4 dutyVol

DESCRIPTIONThe 3820 group is the 8-bit microcomputer based on the 740 fam-ily core technology.The 3820 group has the LCD drive control circuit and

37MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERWATCHDOG TIMERThe watchdog timer gives a mean of returning to the reset statu

38MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERφ CLOCK OUTPUT FUNCTIONThe internal system clock φ can be output from port

39MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERRegister contents(000116) • • • Timer Y (low-order)Port P0 direction register

40MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERFig. 34 Reset sequenceFFFC FFFDADH, ADL????XIN : about 8200 clock cyclesNo

41MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERCLOCK GENERATING CIRCUITThe 3820 group has two built-in oscillation circuits.

42MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERFig. 37 Clock generating circuit block diagramWITinstructionSTP instructio

43MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERFig. 38 State transitions of internal clock φCM4 : Port Xc switch bit 0

44MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERNOTES ON PROGRAMMINGProcessor Status RegisterThe contents of the processor

45MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERDATA REQUIRED FOR MASK ORDERSThe following are necessary when ordering a mask

463820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSRECOMMENDED OPERATING CONDITIONSABSOLUTE MAXIMUM RATINGSPower source voltageI

2MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERPIN CONFIGURATION (TOP VIEW)Package type : 80P6S-A/80P6D-A80-pin plastic-mo

473820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSRECOMMENDED OPERATING CONDITIONS (VCC = 2.5 to 5.5 V, Ta = –20 to 85 °C, unl

483820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSNote : When “1” is set to port XC switch bit (bit 4 of address 003B16) of CPU

493820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSAll oscillation stopped(in STP state)Output transistors “off”Symbol Parameter

503820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSNote: When f(XIN) = 8 MHz and bit 6 of address 001A16 is “1” (clock synchrono

513820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSSerial I/O1 clock output “H” pulse widthSerial I/O1 clock output “L” pulse wi

523820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSABSOLUTE MAXIMUM RATINGS (Extended Operating Temperature Version)RECOMMENDED

533820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS RECOMMENDED OPERATING CONDITIONS (Extended Operating Temperature Version) (V

543820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSNote : When “1” is set to port XC switch bit (bit 4 of address 003B16) of CPU

553820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSAll oscillation stopped(in STP state)Output transistors “off”Symbol Parameter

563820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSNote: When f(XIN) = 8 MHz and bit 6 of address 001A16 is “1” (clock synchrono

3MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERFUNCTIONAL BLOCK DIAGRAM (Package : 80P6N-A)INT2CNTR0,CNTR1TOUTCPUAXYSPCHPCLPS

573820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSSerial I/O1 clock output “H” pulse widthSerial I/O1 clock output “L” pulse wi

583820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSPower source voltageInput voltage P00–P07, P10–P17, P20–P27,P30–P37, P40–P47,

593820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSRECOMMENDED OPERATING CONDITIONS (Low Power Source Voltage Version)(VCC = 2.2

603820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSNote : When “1” is set to port XC switch bit (bit 4 of address 003B16) of CPU

613820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSAll oscillation stopped(in STP state)Output transistors “off”SymbolVRAMParame

623820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS_____tw(RESET)tc(XIN)twH(XIN)twL(XIN)tc(CNTR)twH(CNTR)twL(CNTR)twH(INT)twL(IN

633820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSMeasurement output pin100pFCMOS outputNote: When bit 4 of the UART c

643820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS0.2VCCtf0.2VCC0.8VCC0.8VCCtr0.2VCCtWL(XIN)0.8VCCtWH(XIN)tC(XIN)XIN0.2VCC0.8VC

© 1996 MITSUBISHI ELECTRIC CORP.H-DF047-C KI-9609New publication, effective Sep. 1996.Specifications subject to change without notice.Notes regarding

Rev. Rev.No. date1.0 First Edition 971128REVISION DESCRIPTION LIST 3820GROUP DATA SHEET(1/1)Revision Description

4MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERFunction• Apply voltage of 2.5 V to 5.5 V to VCC, and 0 V to VSS.(Extended o

5MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERFunction• 8-bit I/O port• CMOS compatible input level• CMOS 3-state output str

6MITSUBISHI MICROCOMPUTERS3820 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERPART NUMBERINGM3820 3 M 4 - XXX FPProductROM/PROM size12345678: 4096 b