Fujitsu MB96300 series Hardware Manual page 738

F2mc-16fx 16-bit
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CHAPTER 29 USB FUNCTION
29.3.2
EP0 Control Register (EP0C)
EP0 control register (EP0C) controls concerning endpoint 0.
■ EP0 Control Register (EP0C)
7
6
Reserved
PKS0
-
R/W
15
14
Undef
Undef
X
X
X
: undefined value
R/W
: Readable and writable
: Initial value
Note:
Ensure that you must set the EP0 control register (EP0C), except bit 9 STAL, when both bit 7 RST of
the UDC control register (UDCC) and bit 7 BFINI of the EP0I/EP0O status register (EP0IS/EP0OS) are
1 and must not rewrite it while the USB is operating.
Bit15-12
730
Figure 29.3-2 EP0 Control Register (EP0C)
5
4
3
2
1
PKS0
PKS0
PKS0
PKS0
PKS0
R/W
R/W
R/W
R/W
R/W
13
12
11
10
9
Undef
Undef
Reserved Reserved
STAL
X
X
-
-
R/W
Bit names
Undefined
• No functionnality
0
Initial Value:
10100000
PKS0
B
R/W
bit0 to 6
PKS0
00
0
Initial value
H
value
Packet size value
bit7
Reserved
0
Always write "0" to this bit
8
Initial Value:
xxxx0000
Reserved
B
-
bit8, 10 & 11
Reserved
0
Always write "0" to this bit
bit0 to 6
STAL
0
0
STALL state release
1
STALL state (response)
bit12 to 15
Undef
0
Always write "0" to this bit
Function
PKS0 bits
Reserved
Reserved
bit
Undefined

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