h8s-2158 Renesas Electronics Corporation., h8s-2158 Datasheet - Page 641

• Manufacturer Part Number: h8s-2158
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

18.3.14 Device Resume Register (DEVRSMR)
DEVRSMR has a flag that shows whether remote wakeup is enabled or disabled and a bit that
controls remote wakeup of the USB function core suspend state.
DEVRSMR is initialized to H'00 by a system reset or function software reset (see section 18.3.16,
USB Control Registers 0 and 1 (USBCR0, USBCR1)).
Note:
Bit
7 to
2
1
0
Bit Name Initial Value R/W
—
RMUPS
DVR
* Only 1 can be written.
All 0
0
0
R
R
R/(W) * Device Resume
Description
Reserved
These bits are always read as 0 and cannot be modified.
Remote Wakeup Status
Indicates whether USB function core remote wakeup is
enabled or disabled. Remote wakeup can only be
enabled or disabled by a command issued from the host.
0: Remote wakeup disabled
1: Remote wakeup enabled
Cancels the suspend state.
0: Normal read value
1: Cancels the suspend state (remote wakeup)
Section 18 Universal Serial Bus Interface (USB)
Rev. 3.00 Jan 25, 2006 page 589 of 872
REJ09B0286-0300