M37516E6HP データシートの表示（PDF） - Renesas Electronics

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M37516E6HP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

Renesas Electronics 

7516 Group

(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

(10) Port P24

I2C-BUS interface enable bit

SDA/SCL pin selection bit

Serial I/O1 enable bit

Receive enable bit

Direction

register

Data bus

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 output

SCL output

(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

SCL input

Pulse output mode

Serial ready output

Timer output

CNTR0

interrupt input

(15) Port P40

Direction

register

Data bus

Port latch

Pulse output mode

Timer output

CNTR1 interrupt input

Fig. 11 Port block diagram (2)

Serial I/O1 clock output

External clock input

(14) Ports P30–P37

Data bus

Direction

register

Port latch

A-D converter input

Analog input pin

selection bit

(16) Ports P41, P42

Data bus

Direction

register

Port latch

Interrupt input

Rev.1.01 Jul 01, 2003 page 15 of 89

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