Kontron COMe-bP5020 - Manual (Page 38)

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User Guide
COMe-bP5020
Table 21: Address: 0x284 - Device Protection Register (DPROT)
Table 22: Address: 0x285 - Reset Status Register (RS TAT)
BIT 7 6 5 4 3 2 1 0
NAME SWP reserved SDWP NFWP SEWP SFWP EEWP BFWP
ACCESS R R R/W R/W R/W R/W R/W R/W
RESET 0 0 0 0 1 0 1 0
BITFIELD DESCRIPTION
[7] SWP System write protection:
0 = onboard non-volatile memory devices not write protected
1 = onboard non-volatile memory devices write protected
This bit reflects the state of the system hardware write protection signal (SYS_WP#).
[5] SDWP microSD/microSDHC module write protection:
0 = module not write protected
1 = module write protected
[4] NFWP SPI flash for OS write protection:
0 = flash not write protected
1 = flash write protected
[3] SEWP SPD (Serial Presence Detect) EEPROM write protection:
0 = SPD EEPROM not write protected
1 = SPD EEPROM write protected
[2] SFWP SATA Flash module write protection:
0 = SATA Flash module not write protected
1 = SATA Flash module write protected
[1] EEWP System EEPROM write protection:
0 = System EEPROM not write protected
1 = System EEPROM write protected
[0] BFWP Boot Flash write protection
0 = Boot flash not write protected
1 = Boot flash write protected
BIT 7 6 5 4 3 2 1 0
NAME PORS reserved WTRS
ACCESS R/W R R/W
RESET N/A 00 0000 0
BITFIELD DESCRIPTION
[7] PORS Power-on reset status:
0 = system reset generated by software (warm reset)
1 = system reset generated by power-on (cold reset)
Writing a ‘1’ to this bit clears the bit.
[0] WTRS Watchdog timer reset status:
0 = system reset not generated by Watchdog timer
1 = system reset generated by Watchdog timer
Writing a ‘1’ to this bit clears the bit.