To our customers, Old Company Name in Catalogs and Other Documents On April 1st, 2010, NEC Electronics Corporation merged with Renesas Technology C
7SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GroupFUNCTIONAL DESCRIPTIONCENTRAL PROCESSING UNIT (CPU)The 38C8 group uses the sta
8SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GroupTable 3 Push and pop instructions of accumulator or processor status register
9SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 Group[Processor status register (PS)]The processor status register is an 8-bit regi
10SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 Group[CPU Mode Register (CPUM)] 003B16The CPU mode register contains the stack pag
11SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GroupMEMORYSpecial Function Register (SFR) AreaThe Special Function Register area
12SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GroupFig. 9 Memory map of special function register (SFR)Transmit/Receive buffer
13SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GroupI/O PORTS[Direction Registers]The I/O ports P0–P3 and P41–P47 have direction
14SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GroupTable 5 List of I/O port functionPinP00–P07P10/AIN4–P13/AIN7P14–P17P20–P27P3
15SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GroupFig. 11 Port block diagram (1)(1) Ports P0, P14–P17, P2, P41E x c e p t P
16SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GroupFig. 12 Port block diagram (2)( 9 ) P o r t P 47Serial I/O ready outputS
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
17SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GroupINTERRUPTSInterrupts occur by fourteen sources: five external, eight internal
18SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GroupFig. 13 Interrupt controlFig. 14 Structure of interrupt-related registersI
19SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GroupKey Input Interrupt (Key-on Wake-Up)A key input interrupt request is generate
20SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GroupTIMERSThe 38C8 group has five timers: timer X, timer Y, timer 1, timer 2, and
21SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GroupTimer XTimer X is a 16-bit timer that can be selected in one of four modesand
22SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GroupTimer YTimer Y is a 16-bit timer that can be selected in one of four modes.(1
23SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GroupTimer 1, Timer 2, Timer 3Timer 1, timer 2, and timer 3 are 8-bit timers. The
24SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GroupSERIAL I/OSerial I/O can be used as either clock synchronous or asynchronous(
25SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 Group(2) Asynchronous Serial I/O (UART) ModeClock asynchronous serial I/O mode (UA
26SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 Group[Transmit Buffer/Receive Buffer Register(TB/RB)] 001816The transmit buffer re
Regarding the change of names mentioned in the document, such as Mitsubishi Electric and Mitsubishi XX, to Renesas Technology Corp.The semiconductor o
27SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GroupFig. 24 Structure of serial I/O control registersBRG count source selection
28SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GroupA-D CONVERTER[A-D Conversion Registers (ADL, ADH)] 003216,003316The A-D conve
29SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GroupLCD CONTROLLER/DRIVERThe 38C8 group has the built-in Liquid Crystal Display (
30SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GroupFig. 28 Structure of LCD control registerTable 7 Maximum number of display p
31SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GroupBias ControlIn the LCD power source pins (VL1–VL5), 1/7 bias is automatically
32SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GroupCommon Pin and Duty Ratio ControlThe common pins (COM0–COM31) to be used are
33SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GroupFig. 31 LCD drive waveform (16 duty ratio, 1/5 bias, A type)S E G0 – C O M2
34SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GroupFig. 32 LCD drive waveform (32 duty ratio, 1/7 bias, B type)L C D C KCOM30S
35SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GroupRESET CIRCUITTo reset the microcomputer, RESET pin should be held at an “L”le
36SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GroupFig. 35 Internal status at reset✕✕✕✕✕✕✕1A d d r e s s( 2 1 )( 2 2 )( 2 3 )(
138C8 GroupSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSDESCRIPTIONThe 38C8 group is the 8-bit microcomputer based on the 740 familyco
37SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GroupCLOCK GENERATING CIRCUITThe 38C8 group has two built-in oscillation circuits:
38SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GroupFig. 38 Clock generating circuit block diagramW I Ti n s t r u c t i o nSTP i
39SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GroupFig. 39 State transitions of system clockLow-speed mode (f(φ) =16 kHz)N o t
40SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GroupNOTES ON PROGRAMMINGProcessor Status RegisterThe contents of the processor st
41SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GroupNOTES ON USECountermeasures Against Noise(1) Shortest wiring length➀ Wiring f
42SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 Group(3) Oscillator concernsIn order to obtain the stabilized operation clock on t
43SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GroupDATA REQUIRED FOR MASK ORDERSThe following are necessary when ordering a mask
44SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GroupParameterPower source voltageInput voltage P00–P07, P10–P17, P20–P27,P30–P33,
45SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GroupTable 13 Recommended operating conditions (mask ROM version) (Vcc = 2.2 to 5
46SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GroupIOH = –5.0 mAVCC = 5.0 VIOH = –1.5 mAVCC = 5.0 VIOH = –1.25 mAVCC = 2.2 VIOH
2SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GroupPIN CONFIGURATION (TOP VIEW)Package type : 144P6Q-AFig. 1 M38C89MF-XXXFP pin
47SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GroupRAM hold voltagePower source currentA-D converter currentdissipationVL5 input
48SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GroupResolutionAbsolute accuracy(excluding quantization error)Conversion timeAnalo
49SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 Grouptw(RESET)tc(XIN)twH(XIN)twL(XIN)tc(CNTR)twH(CNTR)twL(CNTR)twH(INT)twL(INT)tc(
50SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GrouptwH(SCLK)twL(SCLK)td(SCLK-TxD)tV(SCLK-TxD)tr(SCLK)tf(SCLK)tr(CMOS)tf(CMOS)twH
51SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GroupFig. 47 Timing diagram0.2VCCtd( SC L K- TXD )tf0.2VCC0.8VCC0 . 8 VC Ctrts u(
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 Group© 2002MITSUBISHI ELECTRIC CORP.New publication, effective Oct. 2002.Specificati
REVISION HISTORY 38C8 GROUP DATA SHEETRev. Date DescriptionPage Summary(1/2)1.0 01/18/01First Edition1.1 03/21/012341417263334373740414242Figure 1 is
REVISION HISTORY 38C8 GROUP DATA SHEETRev. Date DescriptionPage Summary(2/2)1.4 06/25/02 1517192020212530313132353738394041, 42444647(1) in Figure 11
3SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GroupFUNCTIONAL BLOCK DIAGRAM (Package: 144P6Q-A)Fig. 2 Functional block diagramK
4SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 Group• Apply voltage of 4.0–5.5 V to VCC, and 0 V to VSS. (at high-speed mode)• Res
5SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GroupPART NUMBERINGFig. 3 Part numberingM 3 8 C 89M F– X X X F PP r o d u c tROM/P
6SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS38C8 GroupGROUP EXPANSIONMitsubishi plans to expand the 38C8 group as follows.Memory Typ
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