EM785830AA

8-bit Micro-controller

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* This specification is subject to be changed without notice.

4

12/1/2004

V1.6

V. Functional Block Diagram

TIM ING

CONTROL

TIM ER

TCC

COUNTER1

COUNTER2

WDT

ROM

DATA RAM

CONTROL REGISTER

I/O PORT

CPU

SPI

PWM

10-bit A/D

RAM

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

DATA

RAM

Control sleep

and wakeup

on I/O port

SPI

PWM

10-bit A/D

P62~P67

IOC6

R6

PORT6

P70

P73~P76

IOC7

R7

PORT7

P90~P97

IOC9

R9

PORT9

PC1~PC2

IOCC

RC

PORTC

Fig.2b Block diagram