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■ UDC Control Register (UDCC)
7
6
RST
RESUM
R/W
R/W
15
14
Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved
-
-
X
: undefined value
R/W
: Readable and writable
: Initial value
Figure 29.3-1 UDC Control Register (UDCC)
5
4
3
2
1
HCON
USTP
Reserved Reserved
RFBK
R/W
R/W
-
-
R/W
13
12
11
10
9
-
-
-
-
-
0
Initial Value:
10100000
PWC
B
R/W
bit0
PWC
0
0
Bus powered device
1
Self powered device
bit1
Data toggle mode bit (Rate feedback mode)
0
Data toggle mode disable
Data toggle mode enable
1
bit2 & 3
Reserved
0
Always write "0" to this bit
bit4
USTP
0
Normal mode
1
Stops the clock of the USB function
bit5
HCON
0
Host PC or HUB connection
1
Host PC or HUB not connected
bit6
RESUM
0
USB resume start
1
USB resume start dictate
bit7
RST
0
Reset of USB function release
1
Reset USB function
8
Initial Value:
00000000
B
-
bit8 to 15
Reserved
0
Always write "0" to this bit
CHAPTER 29 USB FUNCTION
Power supply control bit
Reserved
USB operation clock stop bit
Host connection bit
Resume setting bit
Function reset bit
Reserved
727
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