UPD75208GF 查看數據表（PDF） - NEC => Renesas Technology

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UPD75208GF

4-BIT SINGLE-CHIP MICROCOMPUTER

NEC => Renesas Technology 

P03/SI

P02/SO

SIO0

8

8

Shift Register (8)

Fig 5-7 Serial Interface Block Diagram

Internal Bus

SIO7

SIO

8

SET1 *2

SIOM

SIOM7 SIOM6 SIOM5 SIOM4 SIOM3 SIOM2 SIOM1 SIOM0

*1

SO Output

Latch

P01/SCK

Serial Clock

Counter (3)

Clear

R

Q

S

Overflow

* 1. CMOS output and N-ch open-drain output switchable output buffer.

2. Instruction execution

MPX

Serial Start

Φ

fxx/24

fxx/210

INTSIO

IRQSIO

Set Signal

IRQSIO

Clear Signal

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