GL602USB View Datasheet(PDF) - Genesys Logic

Part Name

Description

MFG CO.

GL602USB

USB KEYBOARD MICROCONTROLLER

Genesys Logic 

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5. FIRMWARE PROGRAMMING GUIDE

5.1 USB Power On Reset and Bus Reset Initialization

Power on reset

USB reset

(Address 0)

No

USB reset

detected

Wait host

controller to

initialize the USB

device

PWRON = 1

Yes

Drive (0, 0) on (DP, DM )

about 200 ms

Set DP, DM to input

mode

Set PWRON = 0

W ait for USB reset

Revision 1.6

-23-

02/28/2000

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