Kontron COMe-bP5020 Manual do Utilizador descarregar pdf (Página 38)

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User Guide

COMe-bP5020

Table 21: Address: 0x284 - Device Protection Register (DPROT)

Table 22: Address: 0x285 - Reset Status Register (RSTAT)

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

RESET00001010

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.

1 2 ... 33 34 35 36 37 38 39 40 41 42 43 ... 70 71

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