SC6-TANGO • CompactPC® Serial • Intel® Atom™ E39xx Processor (APL-I SoC)
Read/Clear Status Register 1
Write:
SMBus Address 0xB2
Read:
SMBus Address 0xB3
Bit
Description CMD_STAT1
7
WDGARMD
0=Normal operation
1=The watchdog is armed and has to be retriggered within its time-out period
6
WDGRST
0=Normal operation
1=Last system reset may be caused by a watchdog time-out
5
WDGHT
0=Normal operation
1=The watchdog already has elapsed half of its time-out period
4
PF12A
0=Normal operation
1=The +V12A voltage rail is not present in the system
3
PF5S
0=Normal operation
1=Last system reset may be caused by a power failure of the +V5S voltage regulator
2
RESERVED
Always read as 0
1
RESERVED
Always read as 0
0
PF33S
0=Normal operation
1=Last system reset may be caused by a power failure of the +V3.3S voltage regulator
Except of WDGHT and WDGARMD the bits in this register are sticky, i.e. their state will be kept
even if a system reset occurs. To clear the bits a write to the register with arbitrary data may be
performed.
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