User's Manual

A8000 User Guide

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A8000_User_Guide_V1.0 Page 14 of 22 2009/05/13

Table2-13 Parallel port pins description of A8000

Signal Name Pin No. I/O Description

WEN 28 O Paralllel data write enable

ADD_3 29 O Parallel port address

ADD_2 30 O Parallel port address

ADD_1 31 O Parallel port address

OEN 32 O Paralllel data read enable

DATA00 33 O Parallel port data00

DATA01 34 I/O Parallel port data01

DATA02 35 I/O Parallel port data02

DATA03 36 I/O Parallel port data03

DATA04 37 I/O Parallel port data04

DATA05 38 I/O Parallel port data05

DATA06 39 I/O Parallel port data06

DATA07 40 I/O Parallel port data07

EXT_CS 41 I/O Parallel port chip select

GND

1,2,4,5,20

,21,49,59,

- Ground

2.12 Others

A8000 also provides 2 other interfaces listed in Table 2-16.

Table2-16 Other interface pins description of A8000

Signal Name Pin No. I/O Description

CLKOUT

17 O Could be cofigured as

clock

HOOT_DET 75

I Wireless phone hook

detect