Integrated Circuits Inc.

aMTPxxM Series

Ver 1.1

3/30

12/16/2014

PIN CONFIGURATION

PIN CONFIGURATION

Pin Names

Description

VOUT1

PWM output to drive speaker directly

VOUT2

PWM output to drive speaker directly

D/A current output

VSS

VSSA

VSSB

Ground

OSC

Oscillator input

VDD

VDDA

VDDB

Supply voltage

VPP

Supply voltage for firmware programming

/HOLD

Data memory hold

/WP

Data memory write protect

CE-A, CE-B

Data memory enable

SCK-A, SCK-B

Data memory serial data clock

SO-A, SO-B

Data memory serial data output

SI-A, SI-B

Data memory serial data input

PB0~PB3

I/O Port-B

PD0~PD2

I/O Port-D

RSTB

Low active reset pin

Pins for data memory programming are: VDDB, VSSB, WP, HOLD, CE-B, SCK-B, SI-B, SO-B and RSTB.