6

06/19/2000

GL600USB/GL600USB-A/GL600USB-B

Revision 1.3

3

PIN DEFINITIONS AND DESCRIPTIONS

3.1

GL600USB

Pin No.

Name

I/O

Description

1

P1.2/LB

[1]

I/O

Port 1 bit 2/mouse left button

Internal pull up 10K

2

P1.3/MB

I/O

Port 1 bit 3/mouse middle button

Internal pull up 10K

3

P1.4/RB

I/O

Port 1 bit 4/mouse right button

Internal pull up 10K

4

P2.7/W2

I/O

Port 2 bit 7/photo-sensor input for horizontal scroll 2

Optional internal pull down from 4K ~ 32K or

no pull down resistor

5

-

Voltage supply

6

XTAL2

O

Ceramic resonator or crystal out

7

XTAL1

I

Ceramic resonator or crystal in

8

P2.4/Z1

I/O

Port 2 bit 4/photo-sensor input for vertical scroll 1

Optional internal pull down from 4K ~ 32K or

no pull down resistor

9

D+

I/O

USB data+

10

D-

I/O

USB data-

11

V3.3

O

3.3V output, a 0.1uF to 1uF capacitor should be added

on external circuit for this pin

12

P2.5/Z2

I/O

Port 2 bit 5/photo-sensor input for vertical scroll 2

Optional internal pull down from 4K ~ 32K or

no pull down resistor

13

P2.6/W1

I/O

Port 2 bit 6/photo-sensor input for horizontal scroll 1

Optional internal pull down from 4K ~ 32K or

no pull down resistor

14

P1.0

I/O

Port 1 bit 0 with LED drive capability

15

P1.1

I/O

Port 1 bit 1 with LED drive capability

16

GND

-

Ground

17

P2.3/Y1

I/O

Port 2 bit 3/photo-sensor input for Y axis 1

Optional internal pull down from 4K ~ 32K or

no pull down resistor

18

P2.2/Y2

I/O

Port 2 bit 2/photo-sensor input for Y axis 2

Optional internal pull down from 4K ~ 32K or

no pull down resistor

19

P2.1/X1

I/O

Port 2 bit 1/photo-sensor input for X axis 1

Optional internal pull down from 4K ~ 32K or

no pull down resistor

20

P2.0/X2

I/O

Port 2 bit 0/photo-sensor input for X axis 2

Optional internal pull down from 4K ~ 32K or

no pull down resistor

Note 1: Name or description after “/” means default function specified by Genesys Logic firmware

Table 3 -1 GL600USB Pin Definitions and Descriptions