8.5.8 CONFIG8

Configuration Byte 8

Note:

Selected SAF block size can be bulk erased and self written if WRTSAF = 1; however SAF block size can only be bulk erased if WRTSAF = 0.

Name:	CONFIG8
Address:	0x300007


Bit	7	6	5	4	3	2	1	0
	SAFSZ[7:0]
Access	R/W	R/W	R/W	R/W	R/W	R/W	R/W	R/W
Reset	1	1	1	1	1	1	1	1

Bits 7:0 – SAFSZ[7:0] Storage Area Flash (SAF) Block Size Selection⁽¹⁾

Table 8-2. SAF Block Size
WRTSAF	SAFSZ[7:0]	SAF Block Size			Bulk Erase	Self-write
`1`	`1111 1111`	SAF is disabled			Yes	Yes
`1`	`1111 1110`	Last 128 words of PFM			Yes	Yes
`1`	`1111 110x`	Last 256 words of PFM			Yes	Yes
`1`	`1111 10xx`	Last 384 words of PFM			Yes	Yes
`1`	`1111 0xxx`	Last 512 words of PFM			Yes	Yes
`1`	`1110 xxxx`	Last 640 words of PFM			Yes	Yes
`1`	`110x xxxx`	Last 768 words of PFM			Yes	Yes
`1`	`10xx xxxx`	Last 896 words of PFM			Yes	Yes
`1`	`0xxx xxxx`	Last 1024 words of PFM			Yes	Yes
`0`	`1111 1111`	SAF is disabled			Yes	No
`0`	`1111 1110`	Last 128 words of PFM			Yes	No
`0`	`1111 110x`	Last 256 words of PFM			Yes	No
`0`	`1111 10xx`	Last 384 words of PFM			Yes	No
`0`	`1111 0xxx`	Last 512 words of PFM			Yes	No
`0`	`1110 xxxx`	Last 640 words of PFM			Yes	No
`0`	`110x xxxx`	Last 768 words of PFM			Yes	No
`0`	`10xx xxxx`	Last 896 words of PFM			Yes	No
`0`	`0xxx xxxx`	Last 1024 words of PFM			Yes	No

Selected SAF block size can be bulk erased and self written if WRTSAF = 1; however SAF block size can only be bulk erased if WRTSAF = 0.

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