HD6417144 RENESAS [Renesas Technology Corp], HD6417144 Datasheet - Page 841
![no-image](/images/no-image-200.jpg)
HD6417144
Manufacturer Part Number
HD6417144
Description
32-Bit RISC Microcomputer SuperHTM RISC engine Family/SH7144 Series
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.HD6417144.pdf
(930 pages)
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Item
Erase
Notes:
1. Make each time setting in accordance with the program/program-verify algorithm or erase/erase-
2. Programming time per 128 bytes (shows the total period for which the P-bit in the flash memory
3. 1-Block erase time (shows the total period for which the E-bit in FLMCR1 is set. It does not include
4. To specify the maximum programming time value (t
5. For the maximum erase time (t
6. See appendix C, Product Code Lineup for correspondence of the standard product, wide
7. All characteristics after rewriting are guaranteed up to this minimum rewriting times
8. Reference value at 25°C (A rough rewriting target number to which a rewriting usually functions)
9. Data retention characteristics when rewriting is executed within the specification values including
verify algorithm.
control register (FLMCR1) is set. It does not include the programming verification time.)
the erase verification time.)
algorithm, set the max. value (1000) for the maximum programming count (N).
The wait time after P bit setting should be changed as follows according to the value of the
programming counter (n).
Programming counter (n) = 1 to 6:
Programming counter (n) = 7 to 1000: t
[In additional programming]
Programming counter (n) = 1 to 6:
after E bit setting (t
To set the maximum erase time, the values of (t
formula.
Examples: When t
temperature-range product, and product model name.
(therefore 1 to min. times).
minimum values.
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 *
Wait time after H'FF dummy write *
Wait time after EV bit clear *
Wait time after SWE bit clear *
Maximum erase count *
When t
t
E
(max) = Wait time after E bit setting (t
se
se
se
) and the maximum erase count (N):
= 100 ms, N = 12 times
= 10 ms, N = 120 times
1
*
5
1
1
E
1
*
(max)), the following relationship applies between the wait time
1
1
1
5
1
1
1
Symbol
t
t
t
t
t
t
t
t
t
N
t
sswe
sesu
se
ce
cesu
sev
sevr
cev
cswe
sp30
sp200
t
sp10
= 30 μs
= 200 μs
= 10 μs
se
) and (N) should be set so as to satisfy the above
Min
1
100
10
10
10
20
2
4
100
12
p
Rev.4.00 Mar. 27, 2008 Page 797 of 882
(max)) in the 128-bytes programming
se
) x maximum erase count (N)
Typ
1
100
10
10
10
20
2
4
100
⎯
26. Electrical Characteristics
Max
⎯
⎯
100
⎯
⎯
⎯
⎯
⎯
⎯
120
Unit
µs
µs
ms
µs
µs
µs
µs
µs
µs
Times
REJ09B0108-0400
Remarks
Erase time
wait
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