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A
to A
18
0
CE
OE
WE
I/O
to I/O
7
0
Note: I/O
and I/O
3
2
Table 17-22 Status Read Mode Return Commands
Pin Name I/O
7
Attribute
Normal
end
identification
Initial value 0
Indications Normal
end: 0
Abnormal
end: 1
Note: I/O
and I/O
are undefined.
3
2
17.11.8 Status Polling
• The I/O
status polling flag indicates the operating status in auto-program or auto-erase mode.
7
• The I/O
status polling flag indicates a normal or abnormal end in auto-program or auto-erase
6
mode.
Table 17-23 Status Polling Output Truth Table
Internal Operation
Pin Names
in Progress
I/O
0
7
I/O
0
6
I/O
to I/O
0
0
5
t
t
t
ces
ceh
nxtc
t
wep
t
t
f
r
t
t
ds
dh
H'71
are undefined.
Figure 17-28 Status Read Mode Timing Waveforms
I/O
I/O
6
5
Command
Program-
error
ming error
0
0
Command
Program-
error: 1
ming
error: 1
Otherwise: 0
Otherwise: 0
Abnormal End
1
0
0
t
t
t
ces
ceh
nxtc
t
wep
t
t
f
r
t
t
ds
dh
H'71
I/O
I/O
4
3
Erase
—
error
0
0
Erase
—
error: 1
Otherwise: 0
—
0
1
0
Rev. 5.00, 12/03, page 605 of 1088
t
nxtc
t
ce
t
oe
t
df
I/O
I/O
2
1
—
Program-
ming or
erase count
exceeded
0
0
—
Count
exceeded: 1
Otherwise: 0
Normal End
1
1
0
I/O
0
Effective
address
error
0
Effective
address
error: 1
Otherwise: 0
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