AU6254 Datasheet, PDF (18/30 Pages) List of Unclassifed Manufacturers – USB2.0 Hub Controller

OFFSET
(BYTE,
HEX)
DF
E8
100
102
104
106
108
10A
10C
10E
110
112
114
116
118
11A
LENGTH
(BYTE,
HEX)
9
VALUES
(HEX)
09,29,04,80,00
,32,64,00,FF
18
00,00,00,00,00
,00,00,00,
00,00,00,00,00
,00,00,00,
00,00,00,00,00
,00,00,00,
2
01,00
2
1A,2C
2
2C,45
2
45,4F
2
4F,68
2
78,8A
2
8A,A3
2
B3,BD
2
BD,D6
2
D6,DF
2
DF,E8
2
18,1A
2
01,00
12
12,01,00,02,09
,00,00,40,8F,0
5,54,62,00,01,
00,00,00,01
DESCRIPTION
Hub class descriptor.
09 Descriptor length
29 Hub Descriptor
04 Number of downstream port – 4 external ports
A0 00 Global Over-current sensing, gang power switch, 8 FS bit TT think
time, port indicators supported
32 Power good wait time 32hx2 mS (=100ms)
64 Maximum current required (=100mA)
00 No ports are not removable
FF Port power control mask
Spare bytes
Configuration Byte 1 bit 0 : EnablePortError
Byte 1 bit 1 :
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
AU6254 USB2.0 Hub Controller V1.00W
Official Release_ Public
Page 18 of 30