HD6432646 Hitachi, HD6432646 Datasheet - Page 812

• Manufacturer Part Number: HD6432646
• Description: (HD64F264x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

23.7
Table 23-10 shows the flash memory characteristics.
Table 23-10 Flash Memory Characteristics
Conditions: V
Item
Programming time
Erase time
Reprogramming count
Programming Wait time after SWE bit setting
Erase
778
*1 *3 *5
Flash Memory Characteristics
V
T
specification)
Wait time after PSU bit setting
Wait time after P bit setting
Wait time after P bit clear
Wait time after PSU bit clear
Wait time after PV bit setting
Wait time after H'FF dummy
write
Wait time after PV bit clear
Wait time after SWE bit clear
Maximum programming count
Wait time after SWE bit setting
Wait time after ESU bit setting
Wait time after E bit setting
Wait time after E bit clear
Wait time after ESU bit clear
Wait time after EV bit setting
a
CC
ref
= 0 to +75°C (Programming/erasing operating temperature range: regular
*1* 2 *4
= 4.5 V to AV
* 1
= PWMV
CC
= 4.5 V to 5.5 V, LPV
CC
, V
*1
*1
SS
* 1
* 1* 4
* 1* 5
*1
*1
* 1
* 1
*1
PWMV
* 1* 4
* 1
* 1
*1
*1
Symbol
t
t
N
t
t
t
t
t
t
t
t
t
t
t
N
t
t
t
t
t
t
P
E
sswe
spsu
sp30
sp200
sp10
cp
cpsu
spv
spvr
cpv
cswe
sswe
sesu
se
ce
cesu
sev
WEC
SS
= PLLV
CC
Min
—
—
—
1
50
28
198
8
5
5
4
2
2
100
—
1
100
10
10
10
20
= 4.5 V to 5.5 V, AV
SS
, AV
Typ
10
100
—
1
50
30
200
10
5
5
4
2
2
100
—
1
100
10
10
10
20
SS
= 0 V
Max
200
1200
100
—
—
32
202
12
—
—
—
—
—
—
1000
—
—
100
—
—
—
Unit
ms/
128 bytes
ms/block
Times
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
Times
µs
µs
ms
µs
µs
µs
CC
= 4.5 V to 5.5 V,
Test Condition
Programming
time wait
Programming
time wait
Additional-
programming
time wait
Erase time wait