gl850g Genesys Logic, gl850g Datasheet - Page 22

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gl850g

Manufacturer Part Number
gl850g
Description
Gl850g Usb 2.0 Low-power Hub Controller
Manufacturer
Genesys Logic
Datasheet

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00h
10h
20h
30h
40h
50h
60h
70h
Note: 1. VID_H/VID_L: high/low byte of VID value
©2000-2008 Genesys Logic Inc. - All rights reserved.
Unit: Byte
The schematics between GL850G and 93C46 is depicted in the following figures:
VENDOR
PRODUCT
LENGTH
NUMBER
LENGTH
LENGTH
SERIAL
VID_L
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
4. PORT_NO: port number, value must be 1~4.
5. MaxPower : Describe the maximum power consumption, range=0Ma~500Ma .
6. DEVICE REMOVALBE:
7. VENDOR LENGTH: offset 10h contains the length of the vendor string. Values of vendor string is
8. PRODUCT LENGTH: offset 40h contains the length of product string. Values of product string is
9. SERIAL NUMBER LENGTH: offset 70h contains the value of serial number string. Values of serial
00
firmware will ignore the EEPROM settings.
Value -> 00H~FAH (unit = 2Ma)
contained from 11h~3Fh.
contained from 41h~6Fh.
number string is contained after offset 71h.
0: Device attached to this port is removable.
1: Device attached to this port is non-removable.
-
VID_H PID_L PID_H
end
01
start
start
start
-
02
-
03
REMOVABLE
PORT4
Table 5.1 – 93C46 Configuration
CHKSUM
04
Product String(ASC II code)
Vendor string (ASC II code)
05
FF
REMOVABLE
GL850G USB 2.0 Low-Power HUB Controller
REMOVABLE
DEVICE
06
PORT3
NUMBER
PORT
07
REMOVABLE
MaxPower
PORT2
08
Serial Number String(ASC II code)
09
FF
0A 0B 0C 0D 0E 0F
FF
REMOVABLE
PORT1
FF
FF
FF
Page 22
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end
end
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