M16CSLASH5M datasheet(24/159 Pages) RENESAS

24 / 159 page

REJ03B0267-0101

Rev.1.01

Page 24 of 156

Jul 23, 2010

M16C/5M Group, M16C/57 Group

1. Overview

1.6

Pin Functions

Note:

Please contact the oscillator manufacturer for oscillation characteristic.

Table 1.17

Pin Functions (64-Pin, 80-Pin, and 100-Pin Packages)

Signal Name

Pin Name

I/O

Description

Power supply

VCC, VSS

Apply 3.0 V to 5.5 V to the VCC pin and 0 V to the VSS pin.

Analog power

supply

AVCC,

AVSS

Power supply for the A/D converter and D/A converter. Pins

AVCC and AVSS should be connected to VCC and VSS,

respectively.

Reset input

RESET

Driving this pin low resets the MCU.

CNVSS

Connect to VSS via a resistor.

Main clock input

XIN

Input/output for the main clock oscillator. Connect a ceramic

resonator or crystal oscillator between XIN and XOUT. (1)

To apply an external clock, connect it to XIN and leave XOUT

open. When XIN is not used, connect XIN to VCC pin and leave

XOUT open.

Main clock output

XOUT

Sub clock input

XCIN

Input/output for the sub clock oscillator. Connect a crystal

oscillator between XCIN and XCOUT. (1)

Sub clock output

XCOUT

Clock output

CLKOUT

This pin outputs the clock having the same frequency as f1, f8,

f32, or fC.

INT interrupt input

INT0 to INT5

Input for

INT interrupt

NMI input

NMI

Input for

NMI

Key input interrupt

KI0 to KI3

Input for the key input interrupt

Timer A

TA0OUT to

TA4OUT

I/O

Timers A0 to A4 input/output

TA0IN to TA4IN

Timers A0 to A4 input

Input for Z-phase

Timer B

TB0IN to TB2IN

Timers B0 to B2 input

Three-phase motor

control timer

U,V,V,W,W

Output for three-phase motor control timer

IDU, IDW, IDV,

Input for three-phase motor control timer

Real-time clock

RTCOUT

Output for real-time clock

Serial interface

UART0 to UART3

CTS0 to CTS3

Input to control data transmission

RTS0 to RTS3

Output to control data reception

CLK0 to CLK3

I/O

Transfer clock input/output

RXD0 to RXD3

Serial data input

TXD0 to TXD3

Serial data output

UART2

I2C mode

SDA2

I/O

Serial data input/output

SCL2

I/O

Transfer clock input/output

Multi-master I2C

bus

SDAMM

I/O

Serial data input/output

SCLMM

Transfer clock input/output

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