s3c2410a Samsung Semiconductor, Inc., s3c2410a Datasheet - Page 330

• Manufacturer Part Number: s3c2410a
• Description: 16/32-bit Risc Arm Microprocessor
• Manufacturer: Samsung Semiconductor, Inc.

USB DEVICE
POWER MANAGEMENT REGISTER (PWR_REG)
This register acts as a power control register in the USB block.
13-6
PWR_REG
Reserved
USB_RESET
MCU_RESUME
SUSPEND_MODE
SUSPEND_EN
PWR_ADDR
Register
[7:4]
0x52000147(B)
0x52000144(L)
Bit
[3]
[2]
[1]
[0]
Address
MCU
R/W
R/W
R
R
–
/CLEAR
/CLEAR
(byte)
R/W
R/W
USB
SET
SET
R
R
–
Power management register
Set by the USB if reset signaling is received
from the host. This bit remains set as long as
reset signaling persists on the bus
Set by the MCU for MCU Resume.
The USB generates the resume signaling
during 10ms, if this bit is set in suspend
mode.
Set by USB automatically when the device
enter into suspend mode.
It is cleared under the following conditions:
1) The MCU clears the MCU_RESUME bit by
writing "0", in order to end remote resume
signaling.
2) The resume signal form host is received.
Suspend mode enable control bit
0 = Disable (default).
The device will not enter suspend mode.
1 = Enable suspend mode.
Description
Description
–
Reset Value
Initial State
S3C2410A
0x00
–
0
0
0