Samsung S5PC100, User Manual

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Power Management S5PC100 USER’S MANUAL (REV1.0)
2.4-62
10.4 STATUS REGISTER
10.4.1 Reset Status Register (RST_STAT, R, Address = 0xE010_8300)
RST_STAT Bit Description Reset Value
Reserved [31:8] Reserved 0x0
DIDLE_WAKEUP [7] ARM Reset from Deep IDLE 0
DSTOP_WAKEUP [6] ARM Reset from Deep STOP 0
SWRESET [5] Software reset by SWRESET 0
ESLEEP_WAKEUP [4] Reset by E-SLEEP mode wake-up 0
SLEEP_WAKEUP [3] Reset by SLEEP mode wake-up 0
nWDTRESET [2] Watch dog timer reset by WDTRST 0
Reserved [1] Reserved 0
nRESET [0] External reset by XnRESET 1
10.4.2 Wake-up Status Register (WAKEUP_STAT, R/W, Address = 0xE010_8304)
WAKEUP_STAT Bit Description Reset Value
Reserved [31:14] Reserved 0x0
ST [13] Wake-up by System Timer. Write 1 to clear. 0
I2S [12] Wake-up by I2S in Audio Block. Write 1 to clear. 0
MMC2 [11] Wake-up by MMC2. Write 1 to clear. 0
MMC1 [10] Wake-up by MMC1. Write 1 to clear. 0
MMC0 [9] Wake-up by MMC0. Write 1 to clear. 0
HSI [8] Wake-up by HSI. Write 1 to clear. 0
Reserved [7] DO NOT CHANGE 0
BATFLT [6] Wake-up by battery fault. Write 1 to clear. 0
MODEM [5] Wake-up by MODEM. Write 1 to clear. 0
KEY [4] Wake-up by Key PAD. Write 1 to clear. 0
TS [3] Wake-up by touch screen. Write 1 to clear. 0
RTC_TICK [2] Wake-up by tick interrupt. Write 1 to clear. 0
RTC_ALARM [1] Wake-up by RTC alarm. Write 1 to clear. 0
EINT [0] Wake-up by external interrupts. Write 1 to clear. 0
10.4.3 Block Power Status Register (BLK_PWR_STAT, R, Address = 0xE010_8308)
BLK_PWR_STAT Bit Description Reset Value
Reserved [31:6] Reserved 0x0
AUDIO [5] Block AUDIO power ready 1
TV [4] Block TV power ready 1