AU6254 Datasheet, PDF (16/30 Pages) List of Unclassifed Manufacturers – USB2.0 Hub Controller

4.2 USB 2.0 Hub Descriptor
Table 4.1 Hub EEPROM Sample Value
OFFSET
(BYTE,
HEX)
0
2
4
LENGTH
(BYTE,
HEX)
2
2
VALUES
(HEX)
01,00
1A,2C
2
2C,45
6
2
45,4F
8
2
4F,68
A
2
78,8A
C
2
8A,A3
E
2
B3,BD
10
2
BD,D6
12
2
D6,DF
14
2
DF,E8
16
2
18,1A
18
2
01,00
1A
12
12,01,00,02,09
,00,00,40,8F,0
5,54,62,00,01,
00,00,00,01
2C
9
09,02,19,00,01
,01,00,E0,FA
35
9
09,04,00,00,01
,09,00,00,00
3E
7
07,05,81,03,01
,00,FF
45
A
0A,06,00,02,09
,00,01,40,01,0
0
AU6254 USB2.0 Hub Controller V1.00W
Official Release_ Public
DESCRIPTION
Configuration Byte 1 bit 0 : EnablePortError
LoByte : Pointer to Hub FS device descriptor 000h ROM address
HiByte : Xfer end address + 1
LoByte : Pointer to Hub FS configuration descriptor
HiByte : Xfer end address + 1 (config+interface+endpoint)
000h ROM address
LoByte : Pointer to Hub FS Device Qualifier descriptor
HiByte : Xfer end address + 1
000h ROM address
LoByte : Pointer to Hub FS Other Speed Configuration descriptor
HiByte : Xfer end address + 1 (config+interface+endpoint)
000h ROM address
LoByte : Pointer to Hub HS device descriptor
000h ROM address
HiByte : Xfer end address + 1
LoByte : Pointer to Hub HS configuration descriptor
HiByte : Xfer end address + 1 (config+interface+endpoint)
000h ROM address
LoByte : Pointer to Hub HS Device Qualifier descriptor
HiByte : Xfer end address + 1
000h ROM address
LoByte : Pointer to Hub HS Other Speed Configuration descriptor
HiByte : Xfer end address + 1 (config+interface+endpoint)
000h ROM address
LoByte : Pointer to HUB Class descriptor (0x29)
000h ROM address
HiByte : Xfer end address + 1 Individual power
LoByte : Pointer to HUB Class descriptor (0x29)
000h ROM address
HiByte : Xfer end address + 1 Gang Power
LoByte : Pointer to Special Command Data
000h ROM address
HiByte : Xfer end address + 1
Hub FS device descriptor, version 2.0,
12 Descriptor length
01 Device Descriptor
00 02 USB Version 2.0
09 Hub class
00 Sub-class
00 Device Protocol
40h Maximum packet size
8F 05 Vender ID – Alcor
54 62 Product ID - 6254
01 00 Device release number
00 Index of Manufacturer string descriptor
00 Index of Product string descriptor
00 Index of serial number string descriptor – no serial number
01 Number of configuration
Hub FS Config Desc. 1 interface, self powered, remote wakeup,500 mA
Total bytes returned : 0x19
Hub FS interface descriptor, interface 0. Class code 0x9
Hub FS endpoint descriptor
Hub FS Device Qualifier descriptor - USB 2.00,
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