4.3.10. Flash Control Register, SYS_FLASH

The SYS_FLASH register at 0x1000004C controls write protection of static memory devices.

Figure 4.10 shows the register bit assignment.

Figure 4.10. SYS_FLASH register

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The function of the register bits are listed in Table 4.13.

Table 4.13. SYS_FLASH register bit assignments

BitsAccessNameResetDescription
[31:4]Write ignored, read as zero0x0000000Undefined
[3:1]Write ignored, read as zerob000Undefined
[0]

Read/Write

FLASHWPnb0Controls writing to Flash (power-on reset state is b0) b0 = writing to Flash is disabled b1 = writing to Flash is enabled

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