D78054 查看數據表（PDF） - NEC => Renesas Technology

零件编号

产品描述 (功能)

生产厂家

D78054

8-BIT SINGLE-CHIP MICROCOMPUTER

NEC => Renesas Technology 

2. BLOCK DIAGRAM

µPD78001B(A), 78002B(A)

TO1/P31

TI1/P33

TO2/P32

TI2/P34

8-bit TIMER/

EVENT COUNTER 1

8-bit TIMER/

EVENT COUNTER 2

WATCHDOG TIMER

SI0/SB0/P25

SO0/SB1/P26

SCK0/P27

INTP0/P00 –

INTP3/P03

BUZ/P36

PCL/P35

WATCH TIMER

SERIAL

INTERFACE 0

INTERRUPT

CONTROL

BUZZER OUTPUT

CLOCK OUTPUT

CONTROL

78K/0

CPU CORE

ROM

RAM

VDD VSS

IC0-

IC3

PORT0

PORT1

PORT2

PORT3

PORT4

PORT5

PORT6

EXTERNAL

ACCESS

SYSTEM

CONTROL

P00

P01-P03

P04

P10-P17

P20-P27

P30-P37

P40-P47

P50-P57

P60-P67

AD0/P40-

AD7/P47

A8/P50-

A15/P57

RD/P64

WR/P65

WAIT/P66

ASTB/P67

RESET

X1

X2

XT1/P04

XT2

Remark Internal ROM & RAM capacity varies depending on the product.

9

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