gl852 Genesys Logic, gl852 Datasheet - Page 20

• Manufacturer Part Number: gl852
• Description: Usb 2.0 Mtt Hub Controller
• Manufacturer: Genesys Logic

©2000-2007 Genesys Logic Inc. - All rights reserved.
"0": Individual Mode
"1": GANG Mode
GANG_CTL
RESET#
GL852 can operate under bus power and conform to the power consumption limitation completely (suspend
current < 2.5 mA, normal operation current < 100 mA). By setting PSELF, GL852 can be configured as a
bus-power or a self-power hub.
5.2.3 SELF/BUS Power Setting
SUSPNDO
GANG_CTL
Inside GL852
Input mode, strapping
to decide individual or
gang mode
Figure 5.5 - Timing of PGANG/SUSPND strapping
P G A N G
Figure 5.6 - GANG Mode Setting
On PCB
50 ms
DVDD(3.3V)
100K ohm
100K ohm
GL852 USB 2.0 MTT HUB Controller
Output mode, indicating
GL852 is in normal
mode or suspend mode
DVDD(3.3V)
Suspend LED
Indicator
Suspend LED
Indicator
GAND Mode
Individual
Mode
Page 20