GL850G-MNGXX GENESYS [GENESYS LOGIC], GL850G-MNGXX Datasheet - Page 11

• Manufacturer Part Number: GL850G-MNGXX
• Description: USB 2.0 HUB Controller
• Manufacturer: GENESYS [GENESYS LOGIC]

©2000-2007 Genesys Logic Inc. - All rights reserved.
PAMBER1~4
PGREEN1~4
OVCUR1~4#
PWREN1~4#
Pin Name
Pin Name
Pin Name
Pin Name
RESET#
PGANG
PSELF
AGND
AVDD
TEST
X1
X2
GL850G
GL850G
GL850G
GL850G
48Pin#
48Pin#
48Pin#
48Pin#
42,40,
43,41,
45,35,
46,36,
1,7,12,
2,8,13,
30,28
31,29
32,23
33,24
16,19
37
39
14
15
26
27
20
I/O Type
I/O Type
I/O Type
I/O Type
1,3,4:O
I_5V
I_5V
I_5V
(pu)
(pd)
(pd)
(pd)
2:B
O
O
B
O
P
P
I
I
Clock and Reset Interface
Active low. Over current indicator for DSPORT1~4
OVCUR1# is the only over current flag for GANG mode.
Active low. Power enable output for DSPORT1~4
PWREN1# is the only power-enable output for GANG mode.
Green LED indicator for DSPORT1~4
*GREEN[1~2] are also used to access the external EEPROM
For detailed information, please refer to Chapter 5.
Amber LED indicator for DSPORT1~4
*Amber[1~2] are also used to access the external EEPROM
For detailed information, please refer to Chapter 5.
This pin is default put in input mode after power-on reset.
Individual/gang mode is strapped during this period. After the
strapping period, this pin will be set to output mode, and then
output high for normal mode.
When GL850G is suspended, this pin will output low.
*For detailed explanation, please see Chapter 5
Gang
Individual
12MHz crystal clock input.
12MHz crystal clock output.
Active low. External reset input, default pull high 10K .
When RESET# = low, whole chip is reset to the initial state.
3.3V analog power input for analog circuits.
Analog ground input for analog circuits.
0: GL850G is bus-powered.
1: GL850G is self-powered.
0: Normal operation.
1: Chip will be put in test mode.
System Interface
Power / Ground
HUB Interface
GL850G USB 2.0 Low-Power HUB Controller
input:0, output: 1@normal, 0@suspend
input:1, output: 0@normal, 1@suspend
Description
Description
Description
Description
Page 11