Power Control - Samsung S5PC100 User Manual

MFC (MULTI FORMAT CODEC)

8 POWER CONTROL

The main function of the power control feature is to continue operation from the same point where the operation
was ended because of power off for MFC.
8.1 SLEEP
Host process
Channel ID write '-1' (CH_ID)
Write the Command type to SLEEP(MFC_COMMAND_TYPE)
Set the FRAME_START = 1
Host wait for OPERATION_DONE = 1
MFC can be switched power off
8.2 WAKEUP
Host process
Host enable MFC block power on
Load Command Control FW to MFC
Start F/W (set FW_START '1')
Channel ID write '-1' (CH_ID)
Write the Command type to WAKEUP (MFC_COMMAND_TYPE)
Host wait for OPERATION_DONE = 1
Host can start with the normal operation
9.11-28
S5PC100 USER'S MANUAL (REV1.0)