ST10F272M-4Q3 STMICROELECTRONICS [STMicroelectronics], ST10F272M-4Q3 Datasheet - Page 41

• Manufacturer Part Number: ST10F272M-4Q3
• Description: 16-bit MCU with 256 Kbyte Flash memory and 20 Kbyte RAM
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

ST10F272M
Example 4: Enable again in a permanent way Access and Debug Protection, after having
disabled them.
PEN0*/
Disable and re-enable of Access and Debug Protection in a permanent way (as shown by
examples 3 and 4) can be done for a maximum of 16 times.
FCR0H
XFVTAUR0
FCR0H
FARL
FARH
FDR0H
FCR0H
XFVTAUR0 = 0x0000;
|= 0x8000;
|= 0x0100;
|= 0x8000;
= 0x0001;
= 0xDFBC;
= 0x0008;
= 0xFFFE;
/*Operation start*/
/*Set TAUB in XFVTAUR0*/
/*Set SPR in FCR0H*/
/*Load Add register FNVAPR1H in FARL*/
/*Load Add register FNVAPR1H in FARH*/
/*Load Data in FDR0H for clearing
/*Operation start*/
/*Reset TAUB in XFVTAUR0*/
Internal Flash memory
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