Cypress EZ-USB HX2LP, CY7C656xx manual Vendor Commands, Hub Class Feature Selector Recipient Value

				PRELIMINARY			CY7C656xx
Table 10-2. Hub Class Requests (continued)
	Request	bmRequestType	bRequest	wValue	wIndex	wLength	Data
	ClearTTBuffer	00100011B	0x08	Dev_Addr, EP_Num	TT_Port	0x0000	None
	ResetTT	00100000B	0x09	0x0000	Byte 0: 0x00	0x0000	None
					Byte 1: Port
	GetTTState	10100011B	0X0A	TT_Flags	Byte 0: 0x00	TT State	TT State
					Byte 1: Port	Length
	StopTT	00100011B	0x0B	0x0000	Byte 0: 0x00	0x0000	None
					Byte 1: Port
	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.

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.

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)[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.

Document #: 38-08037 Rev. *D Page 18 of 23