ST10F296E datasheet(52/346 Pages) STMICROELECTRONICS

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Internal Flash memory

ST10F296E

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Flash data register 0 low (FDR0L)

The Flash address registers (FARH/L) and the Flash data registers (FDR1H/L-FDR0H/L)

are used during program operations to store Flash addresses and data to program.

FCR1H (0x0E 0006) SMOD = 1

FCR

Reset value: 0000h

5432

Reserved

B1S

B0S

Reserved

B1F1 B1F0

-RS

Table 16.

FCR1H register description (SMOD = 1, IFlash selected)

BIt

Bit name

Function

15-10

Reserved

9-8

B[1:0]S

Bank 1-0 status (IFlash)

During any erase operation, these bits are automatically modified and

give the status of the two banks, B1-B0. The meaning of BxS bit for

Bank x is given in Table 17. Bits B[1:0]S are automatically reset at the

end of a erase operation if no errors are detected.

7-2

Reserved

1-0

B1F[1:0]

Bank 1 IFlash sector 1:0 status

During any erase operation, these bits are automatically set and give

the status of the two sectors of Bank 1 (B1F1-B1F0). The meaning of

B1Fy bit for sector y of Bank 1 is given in Table 17. These bits are

automatically reset at the end of a erase operation if no errors are

detected.

Table 17.

Banks (BxS) and sectors (BxFy) status bits meaning

ERR

SUSP

BxS = 1 meaning

BxFy = 1 meaning

Erase error in Bank x

Erase error in sector y of Bank x

Erase suspended in Bank x

Erase suspended in sector y of Bank x

Don’t care

FDR0L (0x0E 0008)

FCR

Reset value: FFFFh

DIN

Table 18.

FDR0L register description

BIt

Bit name

Function

15-0

DIN[15:0]

Data input 15:0

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.

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