27.6.5 NVM User Configuration

The NVM user configuration resides in the auxiliary space. Refer to the Physical Memory Map of the device for calibration and auxiliary space address mapping.

See NVM User Row Mapping for more information.

The bootloader resides in the main array starting at offset zero. The allocated boot loader section is write-protected.

Table 27-2. Boot Loader Size
BOOTPROT [2:0] Rows Protected by BOOTPROT Boot Loader Size in Bytes
0x7(1) None 0
0x6 2 512
0x5 4 1024
0x4 8 2048
0x3 16 4096
0x2 32 8192
0x1 64 16384
0x0 128 32768
Note:
  1. Default value is 0x7.

The EEPROM[2:0] bits indicate the EEPROM size, see the table below. The EEPROM resides in the upper rows of the NVM main address space and is writable, regardless of the region lock status.

Table 27-3. EEPROM Emulation Size
EEPROM[2:0] Rows Allocated to EEPROM EEPROM Size in Bytes
7 None 0
6 1 256
5 2 512
4 4 1024
3 8 2048
2 16 4096
1 32 8192
0 64 16384

References:

Physical Memory Map