EM78P5840/5841/5842

8-bit Micro-controller

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* This specification is subject to change without notice.

5

2004/11/10

V2.6

V. Functional Block Diagram

TIMING

CONTROL

TIMER

TCC

COUNTER1

COUNTER2

WDT

ROM

DATA RAM

CONTROL REGISTER

I/O PORT

CPU

PWM

10-bit A/D

Fig.2a Block diagram

XIN

PLLC

Oscillator

timing control

R1(TCC)

Prescaler

WDT

timer

General

RAM

R4

Interrupt

control

Instruction

decoder

Instruction

register

ROM

R3

R5

ACC

ALU

STACK

DATA & Control Bus

XOUT

R2

Control sleep

and wakeup

on I/O port

PWM

10-bit A/D

P62~P66

IOC6

R6

PORT6

P70

P73~P76

IOC7

R7

PORT7

P90~P97

IOC9

R9

PORT9

PC1~PC2

IOCC

RC

PORTC

P60~P61

P71

Fig.2b Block diagram