10.5.2 NVMCON1

Nonvolatile Memory Control Register 1
Name: NVMCON1
Address: 0x041

Bit 76543210 
 WRERR    NVMCMD[2:0] 
Access R/C/HSR/WR/WR/W 
Reset 0000 

Bit 7 – WRERR NVM Write Error

Reset States: 
POR = 0
All other Resets = u
ValueDescription
1

A write operation was interrupted by a Reset,
or a write or erase operation was attempted on a write-protected area,
or a write or erase operation was attempted on an unimplemented area,
or a write or erase operation was attempted while locked,
or a page operation was directed to a DFM area

0All write/erase operations have completed successfully

Bits 2:0 – NVMCMD[2:0] NVM Command

Table 10-4. NVM Operations
NVMCMDUnlockOperationDFMPFMSource/DestinationWRERRINT
000NoReadbytewordNVM to NVMDATNoNo
001NoRead and Post IncrementbytewordNVM to NVMDATNoNo
010NoRead PagepageNVM to Buffer RAMNoNo
011YesWritebytewordNVMDAT to NVMYesYes
100YesWrite and Post IncrementbytewordNVMDAT to NVMYesYes
101YesWrite PagepageBuffer RAM to NVMYesYes
110YesErase Pagepagen/aYesYes
111NoReserved (No Operation)NoNo