SH7265 Datasheet, PDF (1366/2024 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7260 Series

Section 25 USB 2.0 Host/Function Module (USB)
25.3.46 USB AC Characteristics Switching Register 1 (USBACSWR1)
The USBACSWR1 registers specify a USB transceiver that is stored in this module. This register
is initialized by a power-on reset.
Bit: 15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
—
—
—
—
— UACS26 —
—
—
—
—
—
—
—
—
—
Initial value: 0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R/W: R
R
R
R
R R/W R
R
R
R
R
R
R
R
R
R
Initial
Bit
Bit Name
Value R/W Description
15 to 11 
0
R Reserved
These bits are always read as 0. The write value
should always be 0.
10
UACS26
0
R/W USB AC Characteristics Switching 26
This bit adjusts the cross point power supply voltage
in full speed. ∗
9 to 0 
All 0
R Reserved
These bits are always read as 0. The write value
should always be 0.
Note: ∗ This bit should always be 1 when using this module.
For details, refer to section 25.5.1, Procedure for Setting the USB Transceiver.
Rev. 1.00 Mar. 14, 2008 Page 1330 of 1984
REJ09B0351-0100