gl850g

Manufacturer Part Numbergl850g
DescriptionGl850g Usb 2.0 Low-power Hub Controller
ManufacturerGenesys Logic
gl850g datasheet
 
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Pin# Pin Name Type Pin# Pin Name Type Pin# Pin Name Type Pin# Pin Name Type
1
AVDD
P
2
DM2
B
3
DP2
B
4
RREF
B
5
AVDD
P
6
X1
I
7
X2
O
3.3 Pin Descriptions
GL850G
Pin Name
48Pin#
DM0,DP0
3,4
DM1,DP1
5,6
DM2,DP2
9,10
DM3,DP3
17,18
DM4,DP4
21,22
RREF
11
Note: USB signals must be carefully handled in PCB routing. For detailed information, please refer to
GL850G Design Guideline.
GL850G
Pin Name
48Pin#
42,40,
OVCUR1~4#
30,28
43,41,
PWREN1~4#
31,29
©2000-2008 Genesys Logic Inc. - All rights reserved.
GL850G USB 2.0 Low-Power HUB Controller
Table 3.2
- - - -
G L850G 28 Pin List
8 DM3
B
15 GND
9 DP3
B
16 DVDD
10 AVDD
P
17 PSELF
11 DM4
B
18 PGANG
12 DP4
B
19 OVCUR2#
13 RESET#
I_5V 20 PWREN2#
14 TEST
I
21 OVCUR1#
Table 3.3 - Pin Descriptions
USB Interface
I/O Type
28Pin#
25,26
B
USB signals for USPORT
27,28
B
USB signals for DSPORT1
2,3
B
USB signals for DSPORT2
8,9
B
USB signals for DSPORT3
11,12
B
USB signals for DSPORT4
A 680 resister must be connected between
4
B
RREF and analog ground (AGND).
HUB Interface
I/O Type
28Pin#
Active low. Over current indicator for
I_5V
DSPORT1~4
19,21
(pu)
OVCUR1# is the only over current flag for
GANG mode.
Active low. Power enable output for
DSPORT1~4
20,22
O
PWREN1# is the only power-enable output for
GANG mode.
P
22 PWREN1#
O
P
23 V5
P
I_5V 24 V33
P
B
25
DM0
B
I_5V 26
DP0
B
O
27
DM1
B
DP1
B
I_5V 28
Description
Description
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