UM1618 datasheet(29/51 Pages) STMICROELECTRONICS

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UM1618

API specification

Arguments

Return values

Troubleshooting

None.

Comments

After calling this function, read is allowed on main array space without any Read-While-

Write error. But data read from the blocks targeted for programming or erasing will be

indeterminate even if the operation is suspended.

Following table defines and describes various suspend states and associated suspend

codes.

Table 36. Arguments for FlashSuspend

Argument

Description

Range

pSSDConfig

Pointer to the SSD Configuration

Structure.

The values in this structure are chip-

dependent. Please refer to Section 2.3 for

more details.

suspendState

Indicate the suspend state of C55

module after the function being

called.

All state values are enumerated in Table 38.

Table 37. Return values for FlashSuspend

Type

Description

Possible values

UINT32

Successful completion of this function.

C55_OK

Table 38. Suspend State Definitions

Argument

Code

Description

Valid operation after

suspend

C55_SUS_NOTHING

There is no program/erase

operation.

Erasing operation,

programming operation and

read are valid on main array

space.

C55_PGM_WRITE

There is a program

sequence in interlock write

stage.

Only read is valid on main

array space.

C55_ERS_WRITE

There is an erase

sequence in interlock write

stage.

Only read is valid on main

array space.

C55_ERS_SUS_PGM_WRITE

There is an erase-suspend

program sequence in

interlock write stage.

Only read is valid on main

array space.

C55_PGM_SUS

The program operation is

in suspended state.

Only read is valid on main

array space.

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