M38510M2-XXXSP View Datasheet(PDF) - Renesas Electronics

Part Name

Description

Manufacturer

M38510M2-XXXSP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

Renesas Electronics 

3851 Group (Built-in 24 KB or more ROM)

(9) Port P23

I2C-BUS interface enable bit

SDA/SCL pin selection bit

Direction

register

Data bus

Port latch

SCL output

SCL input

(11) Port P25

P-channel output disable bit

Serial I/O1 enable bit

Transmit enable bit

I2C-BUS interface enable bit

SDA/SCL pin selection bit

Direction

register

Data bus

Port latch

Serial I/O1 output

SCL output

SCL input

(13) Port P27

Pulse output mode

Serial I/O1 mode selection bit

Serial I/O1 enable bit

SRDY1 output enable bit

Direction

register

Data bus

Port latch

Pulse output mode

Serial I/O1 ready output

Timer output

(15) Port P40

CNTR0 interrupt

input

Direction

register

Data bus

Port latch

Pulse output mode

Timer output

Fig. 11 Port block diagram (2)

CNTR1 interrupt

input

Rev.1.01 Oct 15, 2003 page 15 of 89

(10) Port P24

I2C-BUS interface enable bit

SDA/SCL pin selection bit

Serial I/O1 enable bit

Receive enable bit

Data bus

Direction

register

Port latch

SDA output

SDA input

Serial I/O1 input

(12) Port P26

Serial I/O1 synchronous

clock selection bit

Serial I/O1 enable bit

Serial I/O1 mode selection bit

Serial I/O1 enable bit

Direction

register

Data bus

Port latch

Serial I/O1 clock output

Serial I/O1 external clock input

(14) Ports P30-P34

Direction

register

Data bus

Port latch

A-D converter input

Analog input pin selection bit

(16) Ports P41,P42

Direction

register

Data bus

Port latch

Interrupt input

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