User Guide • SC5-FESTIVAL • CompactPCI
®
Serial CPU Board
Read/Clear Status Register 0
Write: SMBus Address 0xB0
Read: SMBus Address 0xB1
Bit
Description CMD_STAT0
7
PF18S
0=Normal operation
1=Last system reset may be caused by a power failure of the +V1.8S voltage regulator
6
PF10S
0=Normal operation
1=Last system reset may be caused by a power failure of the +V1.0S voltage regulator
5
PF10A
0=Normal operation
1=Last system reset may be caused by a power failure of the +V1.0A voltage regulator
4
PF25S4
0=Normal operation
1=Last system reset may be caused by a power failure of the +V2.5S4 voltage regulator
3
PF12S4
0=Normal operation
1=Last system reset may be caused by a power failure of the +V1.2S4 voltage regulator
2
PFVRST
0=Normal operation
1=Last system reset may be caused by a power failure of the +VCCST load switch
1
PFVRIO
0=Normal operation
1=Last system reset may be caused by a power failure of the +VCCIO voltage regulator
0
PFVRC
0=Normal operation
1=Last system reset may be caused by a power failure of the IMVP-8 voltage regulator
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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