32C85 datasheet(4/92 Pages) RENESAS

4 / 92 page

Page 4

1. Overview

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1.3 Block Diagram

Figure 1.1 shows a block diagram of the M32C/85 group (M32C/85, M32C/85T) microcomputer.

Figure 1.1 M32C/85 Group (M32C/85, M32C/85T) Block Diagram

Port P0

Port P1

Port P2

Port P3

Port P4

Port P5

Port P6

Port P14

Port P15

Port P11

Port P12

Port P13

R0H

R0L

R1H

R1L

NOTES:

1. Ports P11 to P15 are provided in the 144-pin package only.

2. Included in the 144-pin package only.

3. The supply voltage of M32C/85T must be VCC1=VCC2.

FLG

INTB

ISP

USP

SVF

SVP

VCT

Multiplier

M32C/80 series CPU Core

Clock Generation Circuit

XIN - XOUT

XCIN - XCOUT

On-chip Oscillator

PLL Frequency Synthesizer

A/D Converter:

1 circuit

Standard: 10 inputs

Maximum: 34 inputs

(2)

UART/Clock Synchronous Serial I/O:

5 channels

CRC Calculation Circuit (CCITT):

X16+X12+X5+1

X/Y Converter:

16 bits x 16 bits

D/A Converter:

8 bits x 2 channels

Peripheral Functions

<VCC2>(3)

<VCC1>(3)

ROM

RAM

Memory

<VCC1>(3)

<VCC2>(3)

(Note 1)

888888

DMACII

DMAC

Watchdog Timer (15 bits)

CAN Module: 2 channels

Intelligent I/O

Time Measurement: 8 channels

Waveform Generating: 8 channels

Communication Functions:

Clock Synchronous Serial I/O,

UART,

HDLC Data Processing

Timer (16 bits)

Timer A: 5 channels

Timer B: 6 channels

Three-Phase Motor Control Circuit

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