gl850g Genesys Logic, gl850g Datasheet - Page 13

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gl850g

Manufacturer Part Number
gl850g
Description
Gl850g Usb 2.0 Low-power Hub Controller
Manufacturer
Genesys Logic
Datasheet

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©2000-2008 Genesys Logic Inc. - All rights reserved.
PAMBER1~4
PGREEN1~4
Pin Name
Pin Name
Pin Name
RESET#
PGANG
PSELF
AGND
AVDD
TEST
X1
X2
48Pin#
48Pin#
48Pin#
45,35,
46,36,
1,7,12,
2,8,13,
32,23
33,24
16,19
37
39
14
15
26
27
20
GL850G
GL850G
GL850G
28Pin#
28Pin#
28Pin#
1,5,10
17
18
13
14
--
--
--
6
7
Clock and Reset Interface
System Interface
Power / Ground
GL850G USB 2.0 Low-Power HUB Controller
I/O Type
I/O Type
I/O Type
1,3,4:O
I_5V
I_5V
(pd)
(pd)
(pd)
2:B
O
B
O
P
P
I
I
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
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
1@suspend
Individual
0@suspend
12MHz crystal clock input, or 12/27/48MHz
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.
reset.
input:0, output: 1@normal,
input:1, output: 0@normal,
Description
Description
Description
Individual/gang
mode
Page 13
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