Datasheet

Section 17 ROM
Rev.7.00 Feb. 14, 2007 page 682 of 1108
REJ09B0089-0700
Table 17.44 Status Polling Output Truth Table
Pin Names
Internal Operation
in Progress Abnormal End — Normal End
I/O
7
0 1 0 1
I/O
6
0 0 1 1
I/O
0
to I/O
5
0 0 0 0
17.20.9 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 17.45 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 17.59 Oscillation Stabilization Time, Programmer Mode Setup Time, and Power
Supply Fall Sequence
17.20.10 Notes on Memory Programming
• When programming addresses which have previously been programmed, carry out auto-
erasing before auto-programming.