SH7720 Datasheet, PDF (820/1524 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series

Section 23 USB Pin Multiplex Controller
23.3 Register Descriptions
The USB pin multiplexer controller has the following register.
• USB transceiver control register (UTRCTL)
23.3.1 USB Transceiver Control Register (UTRCTL)
UTRCTL controls the selection of transceiver function and signal source related to the USB port
1.
Bit Bit Name
15 to 9 
Initial Value R/W
All 0
R/W
8
DRV
0
R/W
7 to 2 
All 0
R/W
1
USB_TRANS 0
W
0
USB_SEL 1
W
Description
Reserved
These bits are always read as all 0s. The write
values should always be all 0s.
See section 34, Pin Function Controller (PFC).
Reserved
These bits are always read as all 0s. The write
values should always be all 0s.
USB Port 1 Transceiver Select
0: USB transceiver is enabled
1: USB digital signals output is enabled
USB Port 1 Signal Source Select
0: Port 1 of USB host controller is used
1: Port 1 of USB function controller is used
Rev. 3.00 Jan. 18, 2008 Page 758 of 1458
REJ09B0033-0300