GL651USB Datasheet, PDF (4/16 Pages) List of Unclassifed Manufacturers – 2-PORT USB KEYBOARD HUB CONTROLLER

GL651USB USB KEYBOARD HUB CONTROLLER
3 PIN DEFINITIONS AND DESCRIPTIONS
l GL651USB
Pin No.
Name
3
GND
5
DM2
7
DP2
9
DM0
11
DP0
13
VCP
15
DM1
17
DP1
19
VDD
21
NUMLOCK
23
CAPSLOCK
25
SCLOCK
27
TEST
29
DRV1
31
DRV2
32
DRV3
34
DRV4
35
DRV5
37
DRV6
38
DRV7
40
DRV8
41
DRV9
43
DRV10
44
DRV11
46
DRV12
47
DRV13
49
DRV14
50
DRV15
52
GND
54
DRV16
56
DRV17
58
DRV18
60
DRV19
62
DRV20
64
SUSPND
66
GPIO7
68
GPIO6
70
VDD
72
GPIO5
I/O
Description
-
Analog ground
I/O Downstream port 2 USB data-
I/O Downstream port 2 USB data+
I/O Upstream port USB data-
I/O Upstream port USB data+
-
3.3V output
I/O Downstream port 1 USB data-
I/O Downstream port 1 USB data+
-
VCC(5V)
I/O Keyboard Num LOCK LED
Also can be used as general purpose pin GPIO0
I/O Keyboard Caps Lock LED
Also can be used as general purpose pin GPIO1
I/O Keyboard Scroll Lock LED
Also can be used as general purpose pin GPIO2
I
Test mode input: (internal pull low)
For 48 Mhz oscillator clock input, pull high
For 12 Mhz crystal clock input, floating
O Key matrix drive output 1
O Key matrix drive output 2
O Key matrix drive output 3
O Key matrix drive output 4
O Key matrix drive output 5
O Key matrix drive output 6
O Key matrix drive output 7
O Key matrix drive output 8
O Key matrix drive output 9
O Key matrix drive output 10
O Key matrix drive output 11
O Key matrix drive output 12
O Key matrix drive output 13
O Key matrix drive output 14
O Key matrix drive output 15
-
GND
O Key matrix drive output 16
O Key matrix drive output 17
O Key matrix drive output 18
O Key matrix drive output 19
O Key matrix drive output 20
I/O Suspend indication output and individual setting input
Pull low: individual mode.
Pull high: ganged mode
I/O General purpose pin 7
I/O General purpose pin 6
-
VCC(5V)
I/O General purpose pin 5
4
03/06/00
Version 1.0