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2.5.4 OEPBCNT_0: Output Endpoint-0 Byte-Count Register
2.6 USB Registers
2.6.1 FUNADR: Function Address Register
TUSB3210
Universal Serial Bus
General-Purpose Device Controller
SLLS466F – FEBRUARY 2001 – REVISED AUGUST 2007
7 6 5 4 3 2 1 0
NAK RSV RSV RSV C3 C2 C1 C0
R/W R/O R/O R/O R/W R/W R/W R/W
BIT NAME RESET FUNCTION
3–0 C[3:0] 0000 Byte count:
0000b → Count = 0
.
.
.
0111b → Count = 7
1000b → Count = 8
1001b to 1111b are reserved (if used, defaults to 8).
6–4 RSV 0 Reserved = 0
7 NAK 1 NAK = 0 No valid data in buffer. Ready for host-out
NAK = 1 Buffer contains a valid packet from host (NAK the host).
This register contains the device function address.
7 6 5 4 3 2 1 0
RSV FA6 FA5 FA4 FA3 FA2 FA1 FA0
R/O R/W R/W R/W R/W R/W R/W R/W
BIT NAME RESET FUNCTION
6–0 FA[6:0] 000 0000 These bits define the current device address assigned to the function. The MCU writes a value to this
register as a result of a SET-ADDRESS host command.
7 RSV 0 Reserved
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