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φ
V
CC
FWE
1
MD
to MD
*
2
0
RES
SWE bit
Flash memory access disabled period
(x: Wait time after SWE setting)
Flash memory reprogrammable period
(Flash memory program execution and data read, other than verify, are disabled.)
Notes:
1. Always fix the level by pulling down or pulling up the mode pins (MD
up to powering off, except for mode switching.
2. See 18.2.5 Flash Memory Characteristics.
Figure 15-26 Powering On/Off Timing (User Program Mode)
Wait time: x
t
OSC1
t
MDS
SWE
set
2
*
Programming and
erase possible
SWE
clear
min 0µs
to MD
)
2
0
487
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