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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