SH7727 Datasheet, PDF (755/1109 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7700 Series

22.2 Register Description
Section 22 USB Pin Multiplex Controller
22.2.1 Extra Pin Function Controller (EXPFC)
Bit: 15
14
13
12
11
10
9
8
—
—
—
—
—
—
—
—
Initial value:
0
0
0
0
0
0
0
0
R/W:
R
R
R
R
R
R
R
R
Bit:
7
6
5
—
—
—
Initial value:
0
0
0
R/W:
R
R
R/W*
Note: * 0 must be set in reading or writing.
4
—
0
R/W*
3
—
0
R/W*
2
—
0
R/W*
1
USB_
TRANS
0
W
0
USB_SEL
0
W
Bits 15 to 2—Reserved: Write 0 to these bits. When 1 is written to this bits, the operation is
unpredictable.
Bit 1—USB Port 1 Transceiver (USB_TRANS)
Bit 1
0
1
Function
USB transceiver is enabled
USB digital signals output is enabled
(Initial value)
Bit 0—USB Port 1 Signal Source Selection (USB_SEL)
Bit 0
Function (signal source selection)
0
USB HOST is used
1
USB Function is used
Note: USB port 2 is for dedicated use by the USB host controller.
(Initial value)
Rev. 5.00 Dec 12, 2005 page 683 of 1034
REJ09B0254-0500