TMP92CZ26A
92CZ26A-412
3.16.5 Device Request
3.16.5.1 Standard request
UDC support automatically answer in standard request.
(1) GET_STATUS Request
This request returns status that is appointed of receive side, automatically.
bmRequestType bRequest wValue wIndex wLength Data
10000000B
10000001B
10000010B
GET_STATUS 0 0
Interface
endpoint
2 Device, interface or
endpoint status
Request to device returns following information according to priority of little
endian.
D7 D6 D5 D4 D3 D2 D1 D0
0 0 0 0 0 0 Remote
wakeup
Self
power
D15 D14 D13 D12 D11 D10 D9 D8
0 0 0 0 0 0 0 0
• Remote wakeup
It returns present remote wakeup setting.
This bit is set or reset by SET_FEATURE or
CLEAR_FEATURE request. Default is value that is set to
bmAttributes field in Config descriptor.
• Self power
It returns present power supply setting. This bit return Sel
or Bus Power according to value that is set to bmAttributes
field in Config descriptor.
Request to interface returns 00H of number of 2 bytes.
Request to endpoint returns in according to priority of little endian following
information.
D7 D6 D5 D4 D3 D2 D1 D0
0 0 0 0 0 0 0 HALT
D15 D14 D13 D12 D11 D10 D9 D8
0 0 0 0 0 0 0 0
• HALT
It return halts status of endpoint that is selected.