M3885 View Datasheet(PDF) - Renesas Electronics

Part Name

Description

MFG CO.

M3885

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

Renesas Electronics 

Table 2 Pin description (2)

Pin

Name

P40/XCOUT

P41/XCIN

P42/INT0

P43/INT1

P44/RxD

P45/TxD

P46/SCLK

I/O port P4

P47/SRDY

/CLKRUN

P50/INT5

P51/INT20

P52/INT30

P53/INT40

P54/CNTR0

P55/CNTR1

I/O port P5

P56/DA1/PWM01

P57/DA2/PWM11

P60/AN0–P67/AN7 I/O port P6

P70

P71

P72

P73/INT21

P74/INT31

P75/INT41

I/O port P7

P76/SDA

P77/SCL

P80/LAD0

P81/LAD1

P82/LAD2

P83/LAD3

P84/LFRAME

P85/LRESET

P86/LCLK

P87/SERIRQ

I/O port P8

MITSUBISHI MICROCOMPUTERS

3885 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

Functions

•8-bit I/O port with the same function as port P0

<Input level>

CMOS compatible input level

<Output level>

P40, P41 : CMOS 3-state output structure

P42-P47 : CMOS 3-state output structure or N-

channel open-drain output structure

•Each pin level of P42 to P46 can be read even in

output port mode.

•8-bit I/O port with the same function as port P0

•CMOS compatible input level

•CMOS 3-state output structure

Function except a port function

•Sub-clock generating circuit I/O

pins (Connect a resonator.)

•Interrupt input pins

•Serial I/O function pins

•Serial I/O function pins

•Serialized IRQ function pin

•Interrupt input pins

•Timer X, timer Y function pins

•D-A converter output pins

•PWM output pins

•8-bit I/O port with the same function as port P0

•CMOS compatible input level.

•CMOS 3-state output structure.

•A-D converter output pins

•8-bit CMOS I/O port with the same function as port P0

<Input level>

P70–P75 : CMOS compatible input level or

TTL compatible input level

P76, P77 : CMOS compatible input level or

SMBUS input level in the I2C-BUS

interface function,

•Interrupt input pins

<Output structure>

N-channel open-drain output structure

•I2C-BUS interface function pins

•Each pin level of P70 to P75 can be read evev in

output port mode.

•8-bit CMOS I/O port with the same function as port

P0

•CMOS compatible input level.

•CMOS 3-state output structure.

•LPC interface function pins

•Serialized IRQ function pin

4

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