Datasheet

Section 17 ROM
Rev.7.00 Feb. 14, 2007 page 681 of 1108
REJ09B0089-0700
CE
A
18
to A
0
I/O
7
to I/O
0
OE
WE
t
dh
t
df
t
ds
t
f
t
r
t
wep
t
nxtc
t
nxtc
t
f
t
r
t
wep
t
ds
t
dh
t
nxtc
t
ceh
t
ceh
t
oe
t
ces
t
ces
t
ce
H'71 H'71
Note: I/O
3
and I/O
2
are undefined.
Figure 17.58 Status Read Mode Timing Waveforms
Table 17.43 Status Read Mode Return Commands
Pin Name I/O
7
I/O
6
I/O
5
I/O
4
I/O
3
I/O
2
I/O
1
I/O
0
Attribute Normal
end
identification
Command
error
Program-
ming error
Erase
error
— — Program-
ming or
erase count
exceeded
Effective
address error
Initial value 0 0 0 0 0 0 0 0
Indications Normal
end: 0
Abnormal
end: 1
Command
error: 1
Otherwise: 0
Program-
ming
error: 1
Otherwise: 0
Erase
error: 1
Otherwise: 0
— — Count
exceeded: 1
Otherwise: 0
Effective
address
error: 1
Otherwise: 0
Note: I/O
3
and I/O
2
are undefined.
17.20.8 Status Polling
• The I/O
7
status polling flag indicates the operating status in auto-program or auto-erase mode.
• The I/O
6
status polling flag indicates a normal or abnormal end in auto-program or auto-erase
mode.