GPBA02A datasheet(4/21 Pages) GENERALPLUS

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GPBA02A

Proprietary & Confidential

JAN. 06, 2011

Version: 1.6

4. SIGNAL DESCRIPTIONS

Mnemonic

PIN No.

Package

PIN No.

Type

Description

DEVICE

Device select signal, optional. (Device is defaulted as 0 when DEVICE pin is

floating)

CSB

Chip select signal for SPI interface, low active.

SCK

Clock signal for SPI interface.

MOSI

Data input pin for SPI interface.

MISO

Data output pin for SPI interface.

PA [7:0]

2-9

42-35

I/O

General-purpose inputs/outputs, software command configurable.

Belong to VDDIOA power group.

PB [7:0]

10, 12-16,

18-19

13-12, 8-4,

I/O

General-purpose inputs/outputs, software command configurable.

PB0 belong to VDDIOA power group, PB[7:1] belong to VDDIOC power group.

PC[7:0]

20-27

21-14

I/O

General-purpose inputs/outputs, software command configurable.

Belong to VDDIOC power group.

VDD

Digital circuit power input.

VSS

Digital circuit ground input.

VDDIO_A

Port A and Port B circuit power input, supply power for PA[7:0] and PB0.

VSSIO

11, 28

3, 22

Port A, Port B, Port C circuit ground input.

VDDIO_C

Port B and Port C circuit power input, supply power for PB[7:1] and PC[7:0].

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