ST10F271 datasheet(33/173 Pages) STMICROELECTRONICS

33 / 173 page

ST10F271

Internal Flash memory

33/173

5.4.9

Flash address register low

5.4.10

Flash address register high

5.4.11

Flash error register

Flash Error register, as well as all the other Flash registers, can be properly read only once

LOCK bit of register FCR0L is low. Nevertheless, its content is updated when also BSY0 bit

is reset as well; for this reason, it is definitively meaningful reading FER register content only

when LOCK bit and BSY0 bit are cleared.

Table 15.

Flash data register 1 high

Bit

Function

DIN(31:16)

Data Input 31:16

These bits must be written with the Data to program the Flash with the following

operations: Word Program (32-bit), Double Word Program (64-bit) and Set

Protection.

FARL (0x08 0010)

FCR

Reset value:

0000h

987

65432

ADD15ADD14ADD13ADD12ADD11ADD10 ADD9 ADD8 ADD7 ADD6 ADD5 ADD4 ADD3 ADD2

reserved

Table 16.

Flash address register low

Bit

Function

ADD(15:2)

Address 15:2

These bits must be written with the Address of the Flash location to program in the

following operations: Word Program (32-bit) and Double Word Program (64-bit). In

Double Word Program bit ADD2 must be written to ‘0’.

FARH (0x08 0012)

FCR

Reset value:

0000h

987

65432

reserved

ADD20 ADD19 ADD18 ADD17 ADD16

Table 17.

Flash address register high

Bit

Function

ADD(20:16)

Address 20:16

These bits must be written with the Address of the Flash location to program in the

following operations: Word Program and Double Word Program.

FER (0x8 0014h)

FCR

Reset value:

0000h

987

65432

reserved

WPF RESER SEQER

reserved

10ER

PGER ERER

ERR

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