32C80 datasheet(3/60 Pages) RENESAS

3 / 60 page

1. Overview

page 3

1.3 Block Diagram

Figure 1.1 shows a block diagram of the M32C/80 Group microcomputer.

Figure 1.1 M32C/80 Group Block Diagram

R0H

R0L

R1H

R1L

FLG

INTB

ISP

USP

SVF

SVP

VCT

Multiplier

M32C/80 series CPU core

Clock Generating Circuit

XIN - XOUT

XCIN - XCOUT

On-chip Oscillator

PLL Frequency Synthesizer

A/D Converter

1 circuit

Standard: 8 inputs

Maximum: 10 inputs

UART/

Clock Synchronous Serial I/O

5 channels

X/Y converter

16 bits X 16 bits

CRC Calcilation Circuit (CCITT)

X16+X12+X5+1

Timer (16 bits)

Timer A: 5 channels

Timer B: 6 channels

Three-phase Motor Control Circuit

Watchdog Timer (15 bits)

D/A Converter

8 bits X 2 channels

Peripheral Functions

RAM

Memory

Port P0

DMAC

DMACII

Intelligent I/O

Communication Function

2 channels

<VCC2>

Port P1

Port P2

Port P3

Port P4

Port P5

(1)

(2)

(1)

NOTES:

1. Ports P0 to P5 function as bus control pins when using memory expansion mode or microprocessor mode.

2. Port P1 functions as I/O port when the microcomputer is placed in memory expansion mode or microprocessor mode

and all external data buses are selected as 8-bit buses.

32C80 Datasheet(PDF) 3 Page - Renesas Technology Corp

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