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ø
tosc1
2.7 to
5.5 V
V
CC
12±0.6 V
0 to
Vcc V
V
PP
2
*
0 to
Vcc V
MD2
to 0
t
MDS
RES
V
E bit
PP
Period during which flash memory access is prohibited
Period during which flash memory can be rewritten
(Execution of program in flash memory prohibited, and data reads other than verify
operations prohibited)
: 5 to 10 µs
1
*
t
VPS
2
*
The level of the mode pins (MD2 to MD0) must be fixed from power-on to power-off
by pulling the pins up or down.
Figure 18-29 Power-On and Power-Off Timing (User Program Mode)
Programming/
erasing
possible
1
t
t
*
VPS
FRS
VppE
VppE
cleared
set
626
min 0 µs
0 to
Vcc V
2
*
0 to
Vcc V
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