UPD784044A1 查看數據表（PDF） - NEC => Renesas Technology

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UPD784044A1

16-BIT SINGLE-CHIP MICROCONTROLLER

NEC => Renesas Technology 

µPD784044(A), 784046(A)

4. BLOCK DIAGRAM

NMI

INTP0-INTP6

INTP0-INTP3

TO00-TO03

Programmable

interrupt

controller

Timer 0

(16 bits)

TO10, TO11

Timer 1

(16 bits)

INTP5/TI2

TO20, TO21

Timer/counter2

(16 BITS)

INTP6/TI3

TO30, TO31

Timer/counter3

(16 BITS)

Timer 4

(16 bits)

RTP0-RTP3

ANI0-ANI15

AVDD

AVSS

AVREF

INTP4

Real-time

output port

A/D

converter

Watchdog

timer

78K/IV

CPU core

ROM

RAM

UART/IOE1

Baud-rate

generator

UART/IOE2

Baud-rate

generator

BUS I/F

Port 0

Port 1

Port 2

Port 3

Port 4

Port 5

Port 6

Port 7

Port 8

Port 9

System

control

Remark The internal ROM and RAM capacity differs depending on the products.

RxD/SI1

TxD/SO1

ASCK/SCK1

RxD2/SI2

TxD2/SO2

ASCK2/SCK2

BWD

AD0-AD15

A16-A19

RD

LWR, HWR

ASTB

WAIT

P00-P03

P10-P12

P20

P21-P27

P30-P37

P40-P47

P50-P57

P60-P63

P70-P77

P80-P87

P90-P94

CLKOUT

RESET

MODE

X1

X2

VDD

VSS

11

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