Cypress EZ-USB HX2LP ユーザーズマニュアル
CY7C656xx
PRELIMINARY
Document #: 38-08037 Rev. *D
Page 18 of 23
ClearTTBuffer
00100011B
0x08
Dev_Addr, EP_Num TT_Port
0x0000
None
ResetTT
00100000B
0x09
0x0000
Byte 0: 0x00
Byte 1: Port
Byte 1: Port
0x0000
None
GetTTState
10100011B
0X0A
TT_Flags
Byte 0: 0x00
Byte 1: Port
Byte 1: Port
TT State
Length
Length
TT State
StopTT
00100011B
0x0B
0x0000
Byte 0: 0x00
Byte 1: Port
Byte 1: Port
0x0000
None
Vendor Commands
Read EEPROM
11000000B
0x02
0x00
0x00
Length
Data
This request results in Length bytes of Data being read from the external memory device, and returned to the host. Data is read
beginning with address 0. This request will fail if there is no external memory device present. This request is only valid if the hub
is in the Configured state; the request will fail otherwise.
beginning with address 0. This request will fail if there is no external memory device present. This request is only valid if the hub
is in the Configured state; the request will fail otherwise.
Write EEPROM
01000000B
0x01
0x00
0x00
Length
Data
This request results in Length bytes of Data being written to the external memory device. Data is written beginning with address
0. This request will fail if there is no external memory device present. This request is only valid if the hub is in the Configured
state; the request will fail otherwise.
0. This request will fail if there is no external memory device present. This request is only valid if the hub is in the Configured
state; the request will fail otherwise.
Table 10-2. Hub Class Requests (continued)
Request
bmRequestType bRequest
wValue
wIndex
wLength
Data
Table 10-3. Hub Class Feature Selector
Feature Selector
Recipient
Value
C_HUB_LOCAL_POWER
Hub
0
C_HUB_OVER_CURRENT
Hub
1
PORT_CONNECTION
Port
0
PORT_ENABLE
Port
1
PORT_SUSPEND
Port
2
PORT_RESET
Port
4
PORT_POWER
Port
8
PORT_LOW_SPEED
Port
9
C_PORT_CONNECTION
Port
16
C_PORT_ENABLE
Port
17
C_PORT_SUSPEND
Port
18
C_PORT_OVER_CURRENT
Port
19
C_PORT_RESET
Port
20
PORT_TEST
Port
21
PORT_INDICATOR
Port
22
Table 10-4. Test Mode Selector for Feature Selector
PORT_TEST (0x21)
PORT_TEST (0x21)
[15]
PORT_TEST Mode Description
Selector Value
Test_J
1
Test_K
2
Test_SE0_NAK
3
Test_Packet
4
Test_Force_Enable
5
Table 10-5. Port Indicator Selector for Feature Selector PORT_INDICATOR (0x22)
Port Indicator Color
Selector Value
Port Indicator Mode
Color Set Automatically as shown in Table 5-1
0
Automatic Mode
Amber
1
Manual Mode
Green 2
Manual
Mode
Off
3
Manual Mode
Note:
15. Selector values for different features are presented in Table 10-4.