HD6433044 Hitachi Semiconductor, HD6433044 Datasheet - Page 635

• Manufacturer Part Number: HD6433044
• Description: (HD64 Series) Hitachi Single-Chip Microcomputer
• Manufacturer: Hitachi Semiconductor

ø
V
V
MD2
to 0
RES
V
CC
PP
PP
E bit
2.7 to
5.5 V
0 to
Vcc V
0 to
Vcc V
Figure 18-29 Power-On and Power-Off Timing (User Program Mode)
*
*
1
2
12 0.6 V
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)
t
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.
VPS
*
t
tosc1
2
MDS
: 5 to 10 s
VppE
set
t
VPS
*
1
626
Programming/
erasing
possible
t
FRS
VppE
cleared
min 0 s
*
2
0 to
Vcc V
0 to
Vcc V