10.5.2 NVMCON1

Nonvolatile Memory Control Register 1

Name:	NVMCON1
Offset:	0x041


Bit	7	6	5	4	3	2	1	0
	WRERR					NVMCMD[2:0]
Access	R/C/HS					R/W	R/W	R/W
Reset	0					0	0	0

Bit 7 – WRERR NVM Write Error

Reset States:

POR = 0

All other Resets = u

Value	Description
`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
`0`	All write/erase operations have completed successfully

Bits 2:0 – NVMCMD[2:0] NVM Command

Table 10-4. NVM Operations
NVMCMD	Unlock	Operation	DFM	PFM	Source/Destination	WRERR	INT
`000`	No	Read	byte	word	NVM to NVMDAT	No	No
`001`	No	Read and Post Increment	byte	word	NVM to NVMDAT	No	No
`010`	No	Read Page	—	page	NVM to Buffer RAM	No	No
`011`	Yes	Write	byte	word	NVMDAT to NVM	Yes	Yes
`100`	Yes	Write and Post Increment	byte	word	NVMDAT to NVM	Yes	Yes
`101`	Yes	Write Page	—	page	Buffer RAM to NVM	Yes	Yes
`110`	Yes	Erase Page	—	page	n/a	Yes	Yes
`111`	No	Reserved (No Operation)	—	—	—	No	No

The online versions of the documents are provided as a courtesy. Verify all content and data in the device’s PDF documentation found on the device product page.