gl850g

Manufacturer Part Numbergl850g
DescriptionGl850g Usb 2.0 Low-power Hub Controller
ManufacturerGenesys Logic
gl850g datasheet
 
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45,35,
PGREEN1~4
32,23
46,36,
PAMBER1~4
33,24
PSELF
37
PGANG
39
GL850G
Pin Name
48Pin#
X1
14
X2
15
RESET#
26
GL850G
Pin Name
48Pin#
TEST
27
GL850G
Pin Name
48Pin#
1,7,12,
AVDD
16,19
2,8,13,
AGND
20
©2000-2008 Genesys Logic Inc. - All rights reserved.
GL850G USB 2.0 Low-Power HUB Controller
Green LED indicator for DSPORT1~4
1,3,4:O
*GREEN[1~2] are also used to access the
--
2:B
external EEPROM
(pd)
For detailed information, please refer to Chapter
5.
Amber LED indicator for DSPORT1~4
*Amber[1~2] are also used to access the
O
--
external EEPROM
(pd)
For detailed information, please refer to Chapter
5.
0: GL850G is bus-powered.
17
I_5V
1: GL850G is self-powered.
This pin is default put in input mode after
power-on
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
18
B
output low.
*For detailed explanation, please see Chapter 5
Gang
1@suspend
Individual
0@suspend
Clock and Reset Interface
I/O Type
28Pin#
12MHz crystal clock input, or 12/27/48MHz
6
I
clock input
7
O
12MHz crystal clock output.
Active low. External reset input, default pull
high 10K .
13
I_5V
When RESET# = low, whole chip is reset to the
initial state.
System Interface
I/O Type
28Pin#
I
0: Normal operation.
14
(pd)
1: Chip will be put in test mode.
Power / Ground
I/O Type
28Pin#
P
3.3V analog power input for analog circuits.
1,5,10
P
Analog ground input for analog circuits.
--
reset.
Individual/gang
mode
input:1, output: 0@normal,
input:0, output: 1@normal,
Description
Description
Description
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is