Datasheet

Rev.6.00 Oct.28.2004 page 657 of 1016
REJ09B0138-0600H
Table 19-48 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 00000000
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
2
and I/O
3
are undefined.
19.22.8 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.
Table 19-49 Status Polling Output Truth Table
Pin Names
Internal Operation
in Progress Abnormal End Normal End
I/O
7
0 101
I/O
6
0 011
I/O
0
to I/O
5
0 000
19.22.9 Programmer Mode Transition Time
Commands cannot be accepted during the oscillation stabilization period or the PROM mode setup period. After the
programmer mode setup time, a transition is made to memory read mode.
Table 19-50 Command Wait State Transition Time Specifications
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
V
CC
RES
Memory read
mode
Command
wait state
Command
wait state
Normal/
abnormal end
identification
Auto-program mode
Auto-erase mode
t
osc1
t
bmv
t
dwn
Command acceptance
Figure 19-62 Oscillation Stabilization Time, PROM Mode Setup Time, and Power Supply Fall Sequence