Specifications

CY7C65620
CY7C65630
Document Number: 38-08037 Rev. AB Page 20 of 32
Vendor Commands
Read EEPROM 11000000B 0x02 0x00 0x00 Length Data
This request results in reading length bytes of data from the external memory device and returned to the host. Data is read beginning
with address 0. This request fails if there is no external memory device present. This request is only valid if the hub is in the configured
state; the request fails otherwise.
Write EEPROM 01000000B 0x01 0x00 0x00 Length Data
This request results in writing length bytes of data to the external memory device. Data is written beginning with address 0. This
request fails if there is no external memory device present. This request is only valid if the hub is in the configured state or if the
external memory device write protect byte is set; the request fails otherwise.
Table 6. Hub Class Requests (continued)
Request bmRequestType bRequest wValue wIndex wLength Data
Table 7. 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 8. Test Mode Selector for Feature Selector
PORT_TEST (21)
[10]
PORT_TEST Mode Description Selector Value
Test_J 1
Test_K 2
Test_SE0_NAK 3
Test_Packet 4
Test_Force_Enable 5
Table 9. Port Indicator Selector for Feature Selector PORT_INDICATOR (22)
Port Indicator Color Selector Value Port Indicator Mode
Color set automatically as shown in Table 1 on page 7 0 Automatic mode
Amber 1 Manual mode
Green 2 Manual mode
Off 3 Manual mode
Note
10. Selector values for different features are presented in Table 8.