A132000

PRELIMINARY

(December, 1999, Version 0.0)

3

AMIC Technology, Inc.

Pin Description

Symbol

I/O

Function

VCC

I

Positive Power Supply

VSS

I

Negative Power Supply

OSC1/CLKIN

I

Oscillator Crystal Input / External Clock Source Input (Crystal Mode) / External

resister Input (RC Mode).

OSC2/CLKOUT

I

Oscillator Crystal Output.

T0CKI

I

Clock Input to Timer0. Must tied to VSS or VCC if not in use

MCLRB

I

Master Clear Input. The pin active low reset to the device

RA0 ~ RA3

I/O Bi-directional I/O port, Wakeup (Pad Option)

RB0 ~ RB7

I/O Bi-directional I/O port

RC0 ~ RC7

I/O

Bi-directional I/O port

AUDA

O

Audio output

OPRA0 ~ OPRA3

I

For RA0 ~ RA3 Wakeup Enable Option

/ Default = 1 (Enable)

CLKOP

I

1: ( RC-OSC Mode)

0: ( XTAL Mode )

/ Default = 1 (RC-OSC Mode)

TESTB

I

Reserved for Testing Mode

TSIN

I

Reserved for Testing Mode

TSOUT

O

Reserved for Testing Mode

TS1~TS0

I

Reserved for Testing Mode