GL852 USB 2.0 MTT HUB Controller
1,3,4: O
2: B
(pd)
O
Green LED indicator for DSPORT1~4
60,48,
44,34
45,35,
32,23
*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
GREEN1~4
-
61,49,
45,35
46,36,
33,24
AMBER1~4
PSELF
-
(pd)
*Amber [1~2] are also used to access the external EEPROM
0: GL852 is bus-powered.
1: GL852 is self-powered.
50
37
22
I
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 GL852 is suspended, this pin will output low.
*For detailed explanation, please see Chapter 5
PGANG/
SUSPND
53
39
23
B
Gang
Individual
input:1, output: 0@normal, 1@suspend
input:0, output: 1@normal, 0@suspend
Clock and Reset Interface
I/O Type
GL852
Pin Name
Description
64Pin# 48Pin# 28 Pin#
X1
X2
20
21
14
15
10
11
I
Crystal / OSC clock input
Crystal clock output.
O
Active low. External reset input, default pull high 10KΩ.
When RESET# = low, whole chip is reset to the initial state.
RESET#
38
26
17
I
System Interface
I/O Type
GL852
Pin Name
Description
TEST: 0: Normal operation.
1: Chip will be put in test mode.
64 Pin# 48Pin# 28 Pin#
I
TEST/SCL
SDA
39
--
27
--
18
26
(pd)
B
I2C: clock output pin (QFN28pin only)
B
I2C data pin
Power / Ground
GL852
Pin Name
I/O Type
Description
64 Pin# 48Pin# 28 Pin#
1,7,12,
16,19
11,18,22,
28,64
AVDD
AGND
5,9,14
-
P
P
3.3V analog power input for analog circuits.
Analog ground input for analog circuits.
2,8,
13,20
25,34,
38,44,
48
1,12,19,
23,29
37,47,
52,59
3.3V digital power input for digital circuits
Digital ground input for digital circuits.
No connection
DVDD
DGND
NC
21
-
P
P
-
36,46,
51,58,62
47
-
2,5~7,10,
13,16,24,
27,30,33
27
©2000-2009 Genesys Logic Inc. - All rights reserved.
Page 15
GENESYS [ GENESYS LOGIC ]
