GPCL A1/B1 Series

© Generalplus Technology Inc.

Proprietary & Confidential

5

Sep. 15, 2015

Version: 1.0

6. SIGNAL DESCRIPTIONS

Mnemonic

Type

Description

RESETB

I

Reset pin, low active to reset whole system

IOD0

IOD1

IOD2

IOD3

IOD4

IOD5

IOD6

IOD7

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

Bit-controlled programmable I/O pins

In input mode, Port D can be either pure or pull-low state

In output mode, Port D can be buffer

Pins in Port D are the key wakeup I/O pins

IOD6 : external interrupt

IOD7: IR transmitter

IOC0

IOC1

IOC2

IOC3

I/O

I/O

I/O

I/O

Nibble-controlled programmable I/O pins

In input mode, Port C can be either pure or pull-low state.

In output mode, Port C can be a buffer.

TEST

I

TEST pin, NC

ROSC

I

ROSC Resistor input (Resistor must be connected to VDD)

VDD

P

Digital Power Pad

VSS

P

Digital Ground

VIN

Lpump

VSSIN

VDDO

P

I

P

P

DC-DC: Power PAD

DC-DC: Inductance input (Inductance must be connected to VIN)

DC-DC: Ground PAD

DC-DC: Pumped voltage output

AUDP

O

Audio output

AVDD

P

PWM Power Pad

AVSS

P

PWM Ground Pad

AUDN

O

Audio output