UM1653 datasheet(32/45 Pages) STMICROELECTRONICS

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NAND driver firmware modules

UM1653

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DocID025024 Rev 1

Table 50. FSMC_LBLK_NAND_CopyBack

Function name

FSMC_LBLK_NAND_CopyBack.

Prototype

uint32_t FSMC_LBLK_NAND_CopyBack(NAND_ADDRESS src,

NAND_ADDRESS dest)

Behavior description

Copies One Page from Source Address to Destination Address without

utilizing external Memory.

Input parameter

src: Source Address.

dest: Destination Address.

Output parameter

The status of the NAND memory. This parameter can be:

– NAND_BUSY: when memory is busy.

– NAND_READY: when memory is ready for the next operation.

– NAND_ERROR: when the previous operation generates error.

Table 51. FSMC_NAND_ReadStatus

Function name

FSMC_NAND_ReadStatus.

Prototype

uint32_t FSMC_NAND_ReadStatus(void)

Behavior description

Reads the NAND memory status using the Read status command.

Input parameter

None

Output parameter

The status of the NAND memory. This parameter can be:

– NAND_BUSY: when memory is busy.

– NAND_READY: when memory is ready for the next operation.

– NAND_ERROR: when the previous operation generates Error.

Table 52. FSMC_NAND_AddressIncrement

Function name

FSMC_NAND_AddressIncrement.

Prototype

uint32_t FSMC_NAND_AddressIncrement(NAND_ADDRESS* Address)

Behavior description

Increments the NAND memory address.

Input parameter

Address: address to increment.

Output parameter

The new status of the increment address operation. It can be:

– NAND_VALID_ADDRESS: When the new address is valid address.

– NAND_INVALID_ADDRESS: When the new address is invalid address.

Table 53. FSMC_NAND_ONFI_Compliance

Function name

FSMC_NAND_ONFI_Compliance.

Prototype

void FSMC_NAND_ONFI_Compliance(void)

Behavior description

Selects the ONFI NAND Type & sets the Required Parameter accordingly.

NAND may be SBLK_NAND or LBLK_NAND.

Input parameter

None

Output parameter

None

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