32C80 datasheet(10/60 Pages) RENESAS

10 / 60 page

1. Overview

page 10

XIN

XOUT

XCIN

XCOUT

BCLK

CLKOUT

_______

INT0 to INT2

_______

INT3 to INT5

_______

NMI

_____

KI0 to KI3

TA0OUT to

TA4OUT

TA0IN to

TA4IN

TB0IN to

TB5IN

U, U, V, V,

W, W

_________

CTS0 to

_________

CTS4

_________

RTS0 to

_________

RTS4

CLK0 to

CLK4

RxD0 to

RxD4

TxD0 to

TxD4

SDA0 to

SDA4

SCL0 to

SCL4

STxD0 to

STxD4

SRxD0 to

SRxD4

______

_______

SS0 to SS4

Main clock input

Main clock

output

Sub clock input

Sub clock

output

BCLK output

Clock output

______

INT interrupt

input

_______

NMI interrupt input

Key input interrupt

Timer A

Timer B

Three-phase motor

control output

Serial I/O

I2C mode

Serial I/O

special function

VCC1

VCC2

VCC1

VCC2

VCC1

I/O

I/O pins for the main clock generation circuit. Connect a ceramic

resonator or crystal oscillator between XIN and XOUT. To apply

external clock, input the clock from XIN and leave XOUT open

I/O pins for a sub clock oscillation circuit. Connect a crystal

oscillator between XCIN and XCOUT. To apply external clock,

input the clock from XCIN and leave XCOUT open

Outputs BCLK signal

Outputs clock having thesame frequency as fC, f8, or f32

______

Input pins for the INT interrupt

_______

Input pin for the NMI interrupt

Input pins for the key input interrupt

I/O pins for the timer A0 to A4

(TA0OUT is a pin for the N-channel open drain output.)

Input pins for the timer A0 to A4

Input pins for the timer B0 to B5

output pins for the three-phase motor control timer

Input pins for data transmission control

Output pins for data reception control

Inputs and outputs the transfer clock

Inputs serial data

Outputs serial data (TxD2 is a pin for the N-channel open drain

output.)

Inputs and outputs serial data (SDA2 is a pin for for the N-

channel open drain output.)

Inputs and outputs the transfer clock (SCL2 is a pin for the N-

channel open drain output.)

Outputs serial data when slave mode is selected (SDA2 is a pin

for the N-channel open drain output.)

Inputs serial data when slave mode is selected

Input pins to control serial I/O special function

Supply

Signal name

Pin name

I/O type

Description

voltage

Table 1.4 Pin Description (Continued)

I: Input

O: Output

I/O: Input and output

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