Abov A96G166 - 19.5 Security

19. Memory programming A96G166/A96A166/A96S166 User’s manual
196
19.5 Security
A96G166/A96A166/A96S166 provides Lock bits which can be left un-programmed (“0”) or can be
programmed (“1”) to obtain the additional features listed in Table 41. The Lock bit can only be erased
to “0” with the bulk erase command and a value of more than 0x40 at FETCR.
Table 41. Security Policy using Lock Bits
LOCK
MODE
USER MODE
ISP MODE
FLASH
OTP
FLASH
OTP
R_P
R
W
PE
BE
R
W
PE
BE
R
W
PE
BE
R
W
PE
BE
0
O
O
O
X
X
X
X
X
O
O
O
O
O
O
O
O
1
O
O
O
X
X
X
X
X
X
X
X
O
O
X
X
O
NOTES:
1. R_P: Code Read Protection @CONFIGURE OPTION
2. R: Read
3. W: Write
4. PE: Page erase
5. BE: Bulk Erase
6. O: Operation is possible.
7. X: Operation is impossible.