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GL603USB Datasheet(PDF) 27 Page - List of Unclassifed Manufacturers

Part # GL603USB
Description  USB PS/2 MOUSE MICROCONTROLLER
PDF  41 Pages
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Manufacturer  ETC [List of Unclassifed Manufacturers]
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GL603USB Datasheet(HTML) 27 Page - List of Unclassifed Manufacturers

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09/22/00
GL603USB/GL603USB-A/GL603USB-B
Revision 1.4
5
Firmware Programming Guide
5.1
USB Power On Reset and Bus Reset Initialization
Power on reset
USB reset
(Address 0)
USBPS2 = 1
USB mode
detected ?
Yes
USB reset detected
Wait host controller
to initialize the USB
device
Use (PORT1.5, PORT1.6) to detect
USB or PS/2 mode
No
Drive (0, 0) on (PORT1.5, PORT1.6)
about 200 ms
Set (PORT1.5, PORT1.6) to input mode
Set USBPS2 = 1
Wait for USB reset
Yes
PS/2 mode is
detected, initialize the
PS/2 device
No



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