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PRELIMINARY
SYSTEM CONTROLLER
S3C6400X RISC MICROPROCESSOR
3-50
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
Status register
REGISTER
ADDRESS
R/W
DESCRIPTION
RESET VALUE
RST_STAT 0x7E00_F904
R
Reset status register
0x0000_0001
WAKEUP_STAT 0x7E00_F908
R/W
Wake-up status register
0x0000_0000
BLK_PWR_STAT 0x7E00_F90C R Block power status register
0x0000_007F
RST_STAT
BIT
DESCRIPTION
RESET VALUE
RESERVED [31:6]
RESERVED
0x0000_000
SW_RESET [5]
Software
reset by SWRESET
0
RESERVED [4]
RESERVED
0
SLEEP_WAKEUP
[3]
Reset by SLEEP mode wake-up
0
WDT_RESET
[2]
Watch dog timer reset by WDTRST
0
WARM_RESET [1]
Warm reset by XnWRESET. This field is not set when
the wakeup source of SLEEP mode is XnWRESET.
0
HW_RESET
[0]
External reset by XnRESET
1
WAKEUP_STAT
BIT
DESCRIPTION
RESET VALUE
RESERVED [31:12]
RESERVED
0x0000_0
MMC2_WAKEUP
[11]
Wake-up by MMC2. This is cleared by writing 1.
0
MMC1_WAKEUP
[10]
Wake-up by MMC1. This is cleared by writing 1.
0
MMC0_WAKEUP
[9]
Wake-up by MMC0. This is cleared by writing 1.
0
HSI_WAKEUP
[8]
Wake-up by HSI. This is cleared by writing 1.
0
WRESET_WAKEUP
[7]
Wake-up by warm reset. This is cleared by writing 1.
0
BATFLT_WAKEUP
[6]
Wake-up by battery fault. This is cleared by writing 1.
0
MSM_WAKEUP
[5]
Wake-up by MSM modem. This is cleared by writing 1.
0
KEY_WAKEUP
[4]
Wake-up by Key PAD. This is cleared by writing 1.
0
TS_WAKEUP
[3]
Wake-up by touch screen. This is cleared by writing 1.
0
RTC_TICK_WAKEUP
[2]
Wake-up by tick interrupt. This is cleared by writing 1.
0
RTC_ALARM_WAKEU
P
[1]
Wake-up by RTC alarm. This is cleared by writing 1.
0
EINT_WAKEUP [0]
Wake-up by external interrupts. This is cleared by
writing 1.
0