831
Table 22-19 Status Read Mode Return Commands
Pin Name
I/O7
I/O6
I/O5
I/O4
I/O3
I/O2
I/O1
I/O0
Attribute
Normal
end
decision
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
Erasing
error: 1
Otherwise: 0
—
—
Count
exceeded: 1
Otherwise: 0
Effective
address
error: 1
Otherwise: 0
Note:
I/O2 and I/O3 are undefined.
22.11.7
Status Polling
1. The I/O7 status polling flag indicates the operating status in auto-program/auto-erase mode.
2. The I/O6 status polling flag indicates a normal or abnormal end in auto-program/auto-erase
mode.
Table 22-20 Status Polling Output Truth Table
Pin Name
During Internal
Operation
Abnormal End
—
Normal End
I/O7
0
1
0
1
I/O6
0
0
1
1
I/O0–I/O5
0
0
0
0
22.11.8
Programmer Mode Transition Time
Commands cannot be accepted during the oscillation stabilization period or the programmer mode
setup period. After the programmer mode setup time, a transition is made to memory read mode.
Table 22-21 Stipulated Transition Times to Command Wait State
Item
Symbol
Min
Max
Unit
Standby release (oscillation stabilization time)
t
osc1
30
—
ms
Programmer mode setup time
t
bmv
10
—
ms
V
CC
hold time
t
dwn
0
—
ms