M58BW16F Datasheet, PDF (44/87 Pages) STMicroelectronics – 16 or 32 Mbit (x32, Boot Block, Burst) 3.3V supply Flash memories

Status Register
M58BW16F, M58BW32F
Table 13. Status Register bits
Bit
Name
7 Program/Erase Controller Status
6 Erase Suspend Status
5 Erase Status
4 Program Status,
3 PEN Status bit
2 Program Suspend Status
1
Erase/Program in a protected
block
0 Reserved
Logic level
Definition
’1’
Ready
’0’
Busy
’1’
Suspended
’0’
In progress or completed
’1’
Erase error
’0’
Erase success
’1’
Program error
’0’
Program success
‘0’
No program or erase attempted
‘1’
Program or erase attempted
’1’
Suspended
’0’
In progress or completed
’1’
Program/erase on protected block,
abort
’0’
No operations to protected blocks
’1’
Reserved
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