M50FW040K5P 데이터 시트보기 (PDF) - STMicroelectronics

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M50FW040K5P

4-Mbit (512 Kb x8, uniform block) 3-V supply firmware hub Flash memory

STMicroelectronics 

M50FW040

Status Register

Table 8. Status Register bits

Operation

Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1

Program active

Program suspended

Program completed successfully

Program failure due to VPP Error

Program failure due to Block Protection (FWH

Interface only)

Program failure due to cell failure

‘0’ X(1) ‘0’ ‘0’ ‘0’ ‘0’ ‘0’

‘1 X(1) ‘0’ ‘0’ ‘0’ ‘1’ ‘0’

‘1’ X(1) ‘0’ ‘0’ ‘0’ ‘0’ ‘0’

‘1’ X(1) ‘0’ ‘0’ ‘1’ ‘0’ ‘0’

‘1’ X(1) ‘0’ ‘0’ ‘0’ ‘0’ ‘1’

‘1’ X(1) ‘0’ ‘1’ ‘0’ ‘0’ ‘0’

Erase active

‘0’ ‘0’ ‘0’ ‘0’ ‘0’ ‘0’ ‘0’

Erase suspended

‘1’ ‘1’ ‘0’ ‘0’ ‘0’ ‘0’ ‘0’

Erase completed successfully

‘1’ ‘0’ ‘0’ ‘0’ ‘0’ ‘0’ ‘0’

Erase failure due to VPP Error

Erase failure due to Block Protection (FWH

Interface only)

‘1’ ‘0’ ‘0’ ‘0’ ‘1’ ‘0’ ‘0’

‘1’ ‘0’ ‘0’ ‘0’ ‘0’ ‘0’ ‘1’

Erase failure due to failed cell(s) in block

‘1’ ‘0’ ‘1’ ‘0’ ‘0’ ‘0’ ‘0’

1. For Program operations during Erase Suspend Bit 6 is ‘1’, otherwise Bit 6 is ‘0’.

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