HD6417641 RENESAS [Renesas Technology Corp], HD6417641 Datasheet - Page 815

• Manufacturer Part Number: HD6417641
• Manufacturer: RENESAS [Renesas Technology Corp]

20.3.23 USB Bus Power Control Register (USBCTRL)
This LSI can operate using a bus power control method. For details of the bus power control
method, see section 20.9, USB Bus Power Control Method.
USBCTRL can be initialized to H'00 by a power-on reset.
Bit
7 to 2
1
0
Bit Name

SUSPEND
PWMD
Initial
Value
All 0
0
0
R/W
R
R/W
R/W
Description
Reserved
The write value should always be 0.
USB Suspend Enable
Allows an interrupt by the USB suspend signal or
awake signal detection.
Power Mode
Changes how the power is supplied.
0: Self-powered
1: Bus-powered
Rev. 4.00 Sep. 14, 2005 Page 765 of 982
Section 20 USB Function Module
REJ09B0023-0400