GPES207B1

© Generalplus Technology Inc.

Proprietary & Confidential

4

Jan. 05, 2009

Version: 1.1

4.SIGNAL DESCRIPTIONS

Mnemonic

PIN No.

Type

Description

TG4 - 3

6 - 7

I/O

Trigger input pins/ Output signals pins / LED driver

TG2 - 1

8 - 9

I/O

Trigger input pins/ Output signals pin

AUDP, AUDN

5, 2

O

PWM outputs for speaker

ROSC

11

I

R Oscillator input

VDD

1

P

Positive supply for logic and I/O pins

AVDD

3

P

Positive supply for PWM

VSS

10

P

Ground reference for logic and I/O pins

AVSS

4

P

Ground reference for PWM

Legend: I = Input, O = Output, P = Power

4.1. PAD Assignment

1

2

3

4

5

6

7

8

9

10

11

VDD

AUDN

AVDD

AVSS

AUDP

(0,0)

This IC substrate should be connected to VSS

Note1: To ensure IC functions properly, bond all VDD and VSS pins.

Note2: The 0.1µF capacitor between VDD and VSS should be placed to IC as closed as possible.