M32CSLASH8A datasheet(19/372 Pages) RENESAS

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M32C/8A Group

1. Overview

Rev.1.00

Jul 15, 2007

Page 2 of 352

REJ09B0385-0100

Table 1.1

Specifications (144-Pin Version) (1)

Item

Function

Specification

CPU

Central processing unit

M32C/80 core (multiplier: 16 bits × 16 bits

→ 32 bits,

multiply-addition operation instructions: 16 × 16 + 48

→ 48 bits)

• Basic instructions: 108

• Minimum instruction execution time:

31.3 ns ( f(CPU) = 32 MHZ / VCC1 = 4.2 to 5.5 V)

41.7 ns ( f(CPU) = 24 MHZ / VCC1 = 3.0 to 5.5 V)

• Operating mode: microprocessor mode

Memory

ROM, RAM

See Table 1.5 Product List.

Power Supply Voltage Detection

Vdet3 detection function, Vdet4 detection function,

cold start/warm start determination function

External

Bus

Expansion

Bus / memory expansion

function

• Address space: 16 Mbyte

• External bus interface: 1 to 7 wait states can be inserted,

4 chip select outputs, 3 V and 5 V interfaces

• Bus format: Switchable between separate and multiplexed bus

formats, switchable data bus width (8-bit or 16-bit)

Clock

Clock generation circuits • 4 circuits:

Main clock, sub clock, on-chip oscillator,

PLL frequency synthesizer

• Oscillation stop detection:

Main clock oscillation stop detection function

• Frequency divider circuit:

Dividing ratio selectable among 1, 2, 3, 4, 6, 8, 10, 12, 14, 16

• Low power consumption features: Wait mode, stop mode

Interrupts

• Interrupt vectors: 70

• External interrupt inputs:

NMI × 1

INT × 3 (16-bit external bus width)

INT × 6 (8- bit external bus width)

Key input × 4

• Interrupt priority levels: 7

Watchdog Timer

15-bit × 1 (with prescaler)

DMA

DMAC

• 4 channels, cycle steal method

• Trigger sources: 31

• Transfer modes: 2 (single transfer and repeat transfer)

DMAC II

• Can be activated by all peripheral function interrupt sources

• Transfer modes: 2 (single transfer and burst transfer)

• Immediate transfer, calculation transfer, and chain transfer

functions

Timer

Timer A

16-bit timer × 5

Timer mode, event counter mode, one-shot timer mode,

pulse width modulation (PWM) mode)

Event counter 2-phase pulse signal processing (2-phase

encoder input) × 3

Timer B

16-bit timer × 6

Timer mode, event counter mode, pulse period measurement

mode, pulse width measurement mode

Timer function for

3-phase motor control

3-phase inverter control × 1 (using timer A1, timer A2, timer A4,

and timer B2)

On-chip dead time timer

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