916
25.6
Flash Memory Characteristics
Table 25-14 Flash Memory Characteristics
Conditions: V
CC
= 3.0 V to 3.6 V, AV
CC
= 4.5 V to 5.5 V, V
SS
= AV
SS
= 0 V, T
a
= –20°C to
+75°C (regular specifications), T
a
= –40°C to +85°C (wide-range specifications)
Item
Symbol Min
Typ
Max
Unit
Programming time
*
1,
*
2,
*
4
t
P
—
10
200
ms/128 bytes
Erase time
*
1,
*
3,
*
5
t
E
—
100
1000
ms/block
Number of rewrites
N
WEC
—
—
100
Times
Programming Wait time after SWE1 bit setting
*
1
x0
1
—
—
µs
Wait time after PSU1 bit setting
*
1
y
50
—
—
µs
Wait time after P1 bit setting
*
1,
*
4
z0
—
—
30
µs
z1
—
—
10
µs
z2
—
—
200
µs
Wait time after P1 bit clearing
*
1
α
5
—
—
µs
Wait time after PSU1 bit clearing
*
1
β
5
—
—
µs
Wait time after PV1 bit setting
*
1
γ
4
—
—
µs
Wait time after H'FF dummy write
*
1
ε
2
—
—
µs
Wait time after PV1 bit clearing
*
1
η
2
—
—
µs
Maximum number of writes
*
1,
*
4
N1
—
—
6
Times
N2
—
—
994
Times
Common
Wait time after SWE1 bit clearing
*
1
x1
100
—
—
µs
Erasing
Wait time after SWE1 bit setting
*
1
x
1
—
—
µs
Wait time after ESU1 bit setting
*
1
y
100
—
—
µs
Wait time after E1 bit setting
*
1,
*
5
z
—
—
10
ms
Wait time after E1 bit clearing
*
1
α
10
—
—
µs
Wait time after ESU1 bit clearing
*
1
β
10
—
—
µs
Wait time after EV1 bit setting
*
1
γ
6
—
—
µs
Wait time after H'FF dummy write
*
1
ε
2
—
—
µs
Wait time after EV1 bit clearing
*
1
η
4
—
—
µs
Maximum number of erases
*
1,
*
5
N
—
—
100
Times
Notes: 1. Follow the program/erase algorithms when making the time settings.
2. Programming time per 128 bytes. (Indicates the total time during which the P1 bit is set
in flash memory control register 1 (FLMCR1). Does not include the program-verify
time.)
Содержание H8S/2631
Страница 28: ...xviii Appendix G Package Dimensions 1154 ...
Страница 341: ...316 Transfer SAR or DAR DAR or SAR Block area First block Nth block Figure 9 8 Memory Mapping in Block Transfer Mode ...
Страница 918: ...905 ø DREQ0 DREQ1 tDRQS tDRQH Figure 25 19 DMAC DREQ Input Timing ...
Страница 955: ...943 A 2 Instruction Codes Table A 2 shows the instruction codes ...