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| SH7047 Datasheet, PDF (688/764 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTMRISC engine Family/SH7000 Series | |||
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25.5 Flash Memory Characteristics
Table 25.19 shows flash memory characteristics.
Table 25.19 Flash Memory Characteristics
Conditions: VCC = 5.0 V ±0.5 V, AVCC = 5.0 V ±0.5 V, VSS = PLLVSS = AVSS = 0 V, Ta = â20°C to
+75°C (Standard product)*6, Ta = â40°C to +85°C (Wide temperature-range
product)*6.
Item
Programming time*1, *2, *4
Erase time*1, *3, *5
Reprogramming count
Symbol Min
tP
â
Typ
10
Max
200
tE
NWEC
â 100 1200
100*7 10000*8 â
NWEC
â â 100
Data retained time
tDRP
Programming Wait time after SWE bit setting*1 tsswe
Wait time after PSU bit setting*1 tspsu
Wait time after P bit setting*1, *4
tsp30
tsp200
tsp10
10*9 â
â
1
1
â
50 50 â
28 30 32
198 200 202
8
10 12
Erase
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
5
5
â
5
5
â
4
4
â
2
2
â
2
2
â
100 100 â
â â 1000
1
1
100 100 â
10 10 100
10 10 â
Unit
Remarks
ms/
128 bytes
ms/block
Times
Standard
product
Times
Wide
temperature-
range
product
years
µs
µs
µs
Programmin
g time wait
µs
Programmin
g time wait
µs
Additional-
programming
time wait
µs
µs
µs
µs
µs
µs
Times
µs
µs
ms
Erase time
wait
µs
Rev. 2.00, 09/04, page 648 of 720
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