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Rev. 1.0, 07/01, page 102 of 372
A15–A0
I/O7
I/O6
I/O5–I/O0
t
wep
t
ds
t
dh
t
f
t
r
t
as
t
ah
t
wsts
t
write
t
spa
t
ces
t
ceh
t
nxtc
t
nxtc
Address
stable
H'40 H'00
Data transfer
1 to 128 bytes
Write operation end decision signal
Write normal end decision signal
Figure 7-10 Auto-Program Mode Timing Waveforms
7.6.5 Auto-Erase Mode
1. Auto-erase mode supports only entire memory erasing.
2. Do not perform a command write during auto-erasing.
3. Confirm normal end of auto-erasing by checking I/O6. Alternatively, status read mode can also
be used for this purpose (I/O7 status polling is used as the auto-erase operation end decision
pin).
4.
Status polling I/O6 and I/O7 pin information is retained until the next command write. As
long as the next command write has not been performed, reading is possible by enabling CE
and OE.
5.
Table 7-12 shows the AC characteristics.