HD404054 Просмотр технического описания (PDF) - Renesas Electronics

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производитель

HD404054

microcomputer designed to increase program productivity

Renesas Electronics 

Block Diagram

HD404054 Series/HD404094 Series

INT 0

INT 1

External

interrupt

Timer

A

TOC

EVND

TOD

SI 1

SO 1

SCK 1

VCref

COMP 0

COMP 1

Timer

C

Timer

D

Serial

1

Compa-

rator

Note: *Only HD404094 Series

System control

RAM

(512 × 4bit)

W (2bit)

X (4bit)

SPX (4bit)

Y (4bit)

SPY (4bit)

ALU

CPU

ST CA

(1bit) (1bit)

A (4bit)

B (4bit)

SP (10bit)

Instruction

decoder

PC (14bit)

ROM

(4,096 ×10bit)

(2,048 ×10bit)

D0 High

D1 current

D2 source

D3 pins

D4

Intermediate

D5

D6

D7

D8

High

current

sink pins

voltage NMOS

open-drain

output pins*

D9

D12

D13

R00

R10

R11

R12

R13

R2 0

R2 1

R2 2

R2 3

R3 0

R3 1

R3 2

R3 3

R4 0

R4 1

R4 2

R4 3

RD0

RD1

RD2

RD3

RC0

RE0

: Data bus

: Signal line

5

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