M37516F9-XXXHP Ver la hoja de datos (PDF) - Renesas Electronics

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M37516F9-XXXHP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

Renesas Electronics 

7516 Group

(1) Port P00

Data bus

Direction

register

Port latch

Serial I/O2 input

(3) Port P02

P02/SCLK2 P-channel output disable bit

Serial I/O2 synchronous clock

selection bit

Serial I/O2 port selection bit

Direction

register

Data bus

Port latch

(2) Port P01

P01/SOUT2 P-channel output

disable bit

Serial I/O2 transmit completion signal

Serial I/O2 port selection bit

Direction

register

Data bus

Port latch

Serial I/O2 output

(4) Port P03

SRDY2 output enable bit

Direction

register

Data bus

Port latch

Serial I/O2 clock output

Serial I/O2 external clock input

Serial I/O2 ready output

(5) Ports P04–P07, P1, P45–P47

Direction

register

Data bus

Port latch

(7) Port P21

Port XC switch bit

Direction

register

Data bus

Port latch

(6) Port P20

Port XC switch bit

Direction

register

Data bus

Port latch

(8) Port P22

I2C-BUS interface enable bit

SDA/SCL pin selection bit

Direction

register

Data bus

Port latch

Oscillator

Port P21

Port XC switch bit

Sub-clock generating circuit input

Fig. 10 Port block diagram (1)

SDA output

SDA input

Rev.1.01 Jul 01, 2003 page 14 of 89

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