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HD64F3028F25 Datasheet, PDF (704/925 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series
21.2.6 Flash Memory Characteristics
Table 21.19 shows the flash memory characteristics.
Table 21.19 Flash Memory Characteristics
Conditions: VCC = 3.0 V to 3.6 V, AVCC = 3.0 V to 3.6 V, VSS = AVSS = 0 V
Ta = 0 to +75°C (Programming/erasing operating temperature range: regular
specification)
Ta = 0 to +85°C (Programming/erasing operating temperature range: wide-range
specification)
Item
Symbol Min Typ Max Unit
Notes
Programming time*1 *2 *4
tP
—
10
200 ms/
128 bytes
Erase time*1 *3 *5
tE
—
100 1200 ms/block
Reprogramming count
NWEC
—
—
100 Times
Programming Wait time after SWE bit setting*1 tsswe
1
1
—
µs
Wait time after PSU bit setting*1 tspsu
50
50
—
µs
Wait time after P bit setting*1 *4
tsp30
28 30 32 µs
Programming
time wait
tsp200
198 200 202 µs
Programming
time wait
Erase
tsp10
Wait time after P bit clear*1
tcp
Wait time after PSU bit clear*1
tcpsu
Wait time after PV bit setting*1
tspv
Wait time after H'FF dummy write*1 tspvr
Wait time after PV bit clear*1
tcpv
Wait time after SWE bit clear*1
tcswe
Maximum programming count*1 *4 N
Wait time after SWE bit setting*1 tsswe
Wait time after ESU bit setting*1 tsesu
Wait time after E bit setting*1 *5
tse
Wait time after E bit clear*1
tce
Wait time after ESU bit clear*1
tcesu
Wait time after EV bit setting*1
tsev
Wait time after H'FF dummy write*1 tsevr
Wait time after EV bit clear*1
tcev
Wait time after SWE bit clear*1
tcswe
Maximum erase count*1 *5
N
8
10 12 µs
5
5
—
µs
5
5
—
µs
4
4
—
µs
2
2
—
µs
2
2
—
µs
100 100 —
µs
—
—
1000 Times
1
1
—
µs
100 100 —
µs
10 10 100 ms
10
10
—
µs
10
10
—
µs
20
20
—
µs
2
2
—
µs
4
4
—
µs
100 100 —
µs
12 — 120 Times
Additional-
programming
time wait
Erase time
wait
Rev. 2.00, 09/03, page 672 of 890