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H8S/2218 数据表(PDF) 731 Page - Renesas Technology Corp

部件名 H8S/2218
功能描述  16-Bit Single-Chip Microcomputer H8S Family/H8S/2200 Series
PDF  750 Pages
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制造商  RENESAS [Renesas Technology Corp]
网页  http://www.renesas.com
标志 RENESAS - Renesas Technology Corp

H8S/2218 数据表(HTML) 731 Page - Renesas Technology Corp

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Section 22 Electrical Characteristics
Rev.6.00 Jun. 03, 2008 Page 683 of 698
REJ09B0074-0600
22.7
Flash Memory Characteristics
Table 22.10 lists the flash memory characteristics.
Table 22.10 Flash Memory Characteristics
Conditions: VCC = PLLVCC = DrVCC = 3.0 V to 3.6 V, Vref = 2.7 V to VCC,
VSS = PLLVSS = DrVSS = 0 V,
Ta = –20 to +75°C (Programming/erasing operating temperature range)
Item
Symbol
Min.
Typ.
Max.
Unit
Programming time*
1 *2 *4
tP
—
10
200
ms/128 bytes
Erase time*
1 *3 *5
tE
—
50
1000
ms/block
Reprogramming count
NWEC
100*
6
10000*
7
—
Times
Data retention time*
8
tDRP
10
—
—
Years
Programming
Wait time after PSU1 bit setting*
1
y
50
50
—
µs
Wait time after P1 bit setting*
1 *4
z0
28
30
32
µs
z1
198
200
202
µs
z2
8
10
12
µs
Wait time after P1 bit clear*
1
α
5
5
—
µs
Wait time after PSU1 bit clear*
1
β
5
5
—
µs
Wait time after PV1 bit setting*
1
γ
4
4
—
µs
Wait time after H’FF dummy write*
1
ε
2
2
—
µs
Wait time after PV1 bit clear*
1
η
2
2
—
µs
Maximum programming count*
1 *4
N1
—
—
6*
4
Times
N2
—
—
994*
4
Times
Common
Wait time after SWE1 bit setting*
1
x
1
1
—
µs
Wait time after SWE1 bit clear*
1
θ
100
100
—
µs
Erase
Wait time after ESU1 bit setting*
1
y
100
100
—
µs
Wait time after E1 bit setting*
1 *5
z
10
10
100
ms
Wait time after E1 bit clear*
1
α
10
10
—
µs
Wait time after ESU1 bit clear*
1
β
10
10
—
µs
Wait time after EV1 bit setting*
1
γ
20
20
—
µs
Wait time after H'FF dummy write*
1
ε
2
2
—
µs
Wait time after EV1 bit clear*
1
η
4
4
—
µs
Maximum erase count*
1 *5
N
—
—
100
Times
Notes: 1. Make each time setting in accordance with the program/program-verify flowchart or
erase/erase-verify flowchart.
2. Programming time per 128 bytes (Shows the total period for which the P-bit in the flash
memory control register (FLMCR1) is set. It does not include the programming
verification time.)



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