M38858MC-XXXHP データシートの表示（PDF） - Renesas Electronics

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M38858MC-XXXHP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

Renesas Electronics 

MITSUBISHI MICROCOMPUTERS

3885 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

GENERAL DESCRIPTION

The 3885 group is the 8-bit microcomputer based on the 740 fam-

ily core technology.

The 3885 group is designed for Keyboard Controller for the note

book PC.

The multi-master I2C-bus interface can be added by option.

FEATURES

<Microcomputer mode>

qBasic machine-language instructions ...................................... 71

qMinimum instruction execution time .................................. 0.5 µs

(at 8 MHz oscillation frequency)

qMemory size

ROM ................................................................. 32K to 60K bytes

RAM ............................................................... 1024 to 2048 bytes

qProgrammable input/output ports ............................................ 72

qSoftware pull-up transistors ....................................................... 8

qInterrupts ................................................. 22 sources, 16 vectors

qTimers ............................................................................. 8-bit ✕ 4

qWatchdog timer ............................................................ 16-bit ✕ 1

qPWM output .................................................................. 14-bit ✕ 2

qSerial I/O ....................... 8-bit ✕ 1(UART or Clock-synchronized)

qMulti-master I2C bus interface (option) ........................ 1 channel

qLPC interface .............................................................. 2 channels

qSerialized IRQ .................................................................. 3 factor

qA-D converter ............................................... 10-bit ✕ 8 channels

qD-A converter ................................................. 8-bit ✕ 2 channels

qComparator circuit ...................................................... 8 channels

qClock generating circuit ..................................... Built-in 2 circuits

(connect to external ceramic resonator or quartz-crystal oscillator)

qPower source voltage ................................................ 3.0 to 3.6 V

qPower dissipation

In high-speed mode .......................................................... 20 mW

(at 8 MHz oscillation frequency, at 3.3 V power source voltage)

In low-speed mode ......................................................... 330 mW

(at 32 kHz oscillation frequency, at 3.3 V power source voltage)

qOperating temperature range .................................... –20 to 85°C

<Flash memory mode>

qSupply voltage ................................................. VCC = 3.3 ± 0.3V

qProgram/Erase voltage ................................. VPP = 5.0 V ± 10 %

qProgramming method ...................... Programming in unit of byte

qErasing method

Parallel I/O mode

CPU reprogramming mode

qProgram/Erase control by software command

qNumber of times for programming/erasing ............................ 100

qOperating temperature range (at programming/erasing)

........................................................................ Room temperature

APPLICATION

Note book PC

PIN CONFIGURATION (TOP VIEW)

P31/PWM10

P30/PWM00

P87/SERIRQ

P86/LCLK

P85/LRESET

P84/LFRAME

P83/LAD3

P82/LAD2

P81/LAD1

P80/LAD0

VCC

VREF

AVSS

P67/AN7

P66/AN6

P65/AN5

P64/AN4

P63/AN3

P62/AN2

P61/AN1

61

40

62

39

63

38

64

37

65

36

66

35

67

68

M38857M8-XXXHP

34

33

69

32

70 M38858MC-XXXHP 31

71

30

72 M38859M8-XXXHP 29

73

28

74

M38859FFHP

27

75

26

76

25

77

24

78

23

79

22

80

21

P16

P17

P20/CMPREF

P21

P22

P23

P24(LED0)

P25(LED1)

P26(LED2)

P27(LED3)

VSS

XOUT

XIN

P40/XCOUT

P41/XCIN

RESET

CNVSS

VPP

P42/INT0

P43/INT1

P44/RXD

Fig. 1 Pin configuration

Package type : 80P6Q-A

: Flash memory version

1

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