GL852 USB 2.0 MTT HUB Controller

©2000-2007 Genesys Logic Inc. - All rights reserved.

Page 22

Table 5.1 - 93C46 Configuration

Unit: Byte

00

01

02

03

04

05

06

07

08

09 0A 0B 0C 0D 0E 0F

00h

VID_L

DEVICE

REMOVABLE

PORT

NUMBER

MaxPower

FF

FF

FF

FF

FF

FF

FF

10h

VENDOR

LENGTH

start

20h

Vendor string (ASC II code)

30h

end

40h

PRODUCT

LENGTH

start

50h

Product String(ASC II code)

60h

end

70h

SERIAL

NUMBER

LENGTH

start

Serial Number String(ASC II code)

end

Note: 1. VID_H/VID_L: high/low byte of VID value

2. PID_H/PID_L: high/low byte of PID value

3. CHKSUM: CHKSUM must equal to VID_H + VID_L + PID_H + PID_L + 1,otherwise

firmware will ignore the EEPROM settings.

4. PORT_NO: port number, value must be 1~4.

5. MaxPower : Describe the maximum power consumption, range=0Ma~500Ma .

Value -> 00H~FAH (unit = 2Ma)

6. DEVICE REMOVALBE:

-

-

-

PORT4

REMOVABLE

PORT3

REMOVABLE

PORT2

REMOVABLE

PORT1

REMOVABLE

-

0: Device attached to this port is removable.

1: Device attached to this port is non-removable.

7. VENDOR LENGTH: offset 10h contains the length of the vendor string. Values of vendor string is

contained from 11h~3Fh.

8. PRODUCT LENGTH: offset 40h contains the length of product string. Values of product string is

contained from 41h~6Fh.

9. SERIAL NUMBER LENGTH: offset 70h contains the value of serial number string. Values of serial

number string is contained after offset 71h.