
6
06/19/2000
GL600USB/GL600USB-A/GL600USB-B
Revision 1.3
3
3.1
PIN DEFINITIONS AND DESCRIPTIONS
GL600USB
Pin No.
1
Name
I/O
I/O
Description
P1.2/LB
[1]
Port 1 bit 2/mouse left button
Internal pull up 10K
Port 1 bit 3/mouse middle button
Internal pull up 10K
Port 1 bit 4/mouse right button
Internal pull up 10K
Port 2 bit 7/photo-sensor input for horizontal scroll 2
Optional internal pull down from 4K ~ 32K or
no pull down resistor
Voltage supply
Ceramic resonator or crystal out
Ceramic resonator or crystal in
Port 2 bit 4/photo-sensor input for vertical scroll 1
Optional internal pull down from 4K ~ 32K or
no pull down resistor
USB data+
USB data-
3.3V output, a 0.1uF to 1uF capacitor should be added
on external circuit for this pin
Port 2 bit 5/photo-sensor input for vertical scroll 2
Optional internal pull down from 4K ~ 32K or
no pull down resistor
Port 2 bit 6/photo-sensor input for horizontal scroll 1
Optional internal pull down from 4K ~ 32K or
no pull down resistor
Port 1 bit 0 with LED drive capability
Port 1 bit 1 with LED drive capability
Ground
Port 2 bit 3/photo-sensor input for Y axis 1
Optional internal pull down from 4K ~ 32K or
no pull down resistor
Port 2 bit 2/photo-sensor input for Y axis 2
Optional internal pull down from 4K ~ 32K or
no pull down resistor
Port 2 bit 1/photo-sensor input for X axis 1
Optional internal pull down from 4K ~ 32K or
no pull down resistor
Port 2 bit 0/photo-sensor input for X axis 2
Optional internal pull down from 4K ~ 32K or
no pull down resistor
2
P1.3/MB
I/O
3
P1.4/RB
I/O
4
P2.7/W2
I/O
5
6
7
8
V
CC
XTAL2
XTAL1
P2.4/Z1
-
O
I
I/O
9
10
11
D+
D-
V3.3
I/O
I/O
O
12
P2.5/Z2
I/O
13
P2.6/W1
I/O
14
15
16
17
P1.0
P1.1
GND
P2.3/Y1
I/O
I/O
-
I/O
18
P2.2/Y2
I/O
19
P2.1/X1
I/O
20
P2.0/X2
I/O
Note 1: Name or description after “/” means default function specified by Genesys Logic firmware
Table 3-1 GL600USB Pin Definitions and Descriptions