AT43310 View Datasheet(PDF) - Atmel Corporation
Part Name
Description
Manufacturer
AT43310 Datasheet PDF : 25 Pages
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Port Feature Selector Table
Feature
PORT_ENABLE
PORT_SUSPEND
PORT_OVER_CURRENT
PORT_POWER
C_PORT_ENABLE
C_PORT_SUSPEND
C_PORT_OVER_CURRENT
Value
01H
02H
03H
08H
11H
12H
13H
The Hub Controller will respond with a STALL if Port0 or a
port higher than Port4 is addressed in this request.
Get_Bus_State
When a Get_Bus_State is detected, the Hub Controller will
sample the bus status of Ports 1, 2, 3 and 4, at each EOF2
and will store the value in a register known as the
Port_Bus_State registers. The value of the D- signal (pin
DM[1:4]) will be in bit 0 and the value of the D+ signal
(DP[1:4]) will be in bit 1of each port’s Port_Bus_State regis-
ter. All other bits will be 0. The values of these two register
bits will be transferred to the Host upon receipt of the
Get_Bus_State request, if the setup packet from Host is
decoded as:
Field
Value
bmRequestType
Byte 0
10100011B
bRequest
Byte 1
02H
wValue
Byte 2
00H
Byte 3
00H
wIndex
Byte 4
Byte 5
Port
Number
wLength
Byte 6
01H
Byte 7
00H
Get_Hub_Descriptor
Get_Hub_Descriptor returns the Hub Descriptor. The last
word of the Get_Hub_Descriptor request specifies the
number of bytes AT43310 is to return. If the requested
number of bytes is less than the 9-bytes length of the Hub
Descriptor, AT43310 will return only the requested number
of bytes from the top of the descriptor. If the requested
number of bytes is more than 9, then the returned data will
be padded with trailing bytes of zeroes.
This action will be taken if the Setup packet from the Host is
decoded as:
Field
Value
bmRequestType
Byte 0
10100000B
bRequest
Byte 1
06H
wValue
Byte 2
29H
Byte 3
00H
wIndex
Byte 4
00H
Byte 5
00H
wLength
Byte 6
Byte 7
0009
The Hub Controller will respond with a STALL if Port0 or a
port higher than Port4 is addressed in this request.
Data Response 000000 [D+] [D-].
16
AT43310
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