h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 1133

• Manufacturer Part Number: h8s-2635
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Notes: 1. Make each time setting in accordance with the program/program-verify flowchart or
Item
Erase
2. Programming time per 128 bytes (Shows the total period for which the P-bit in the flash
3. Block erase time (Shows the total period for which the E-bit in FLMCR1 is set. It does
4. To specify the maximum programming time value (t
5. For the maximum erase time (t
Examples: When t
erase/erase-verify flowchart.
memory control register (FLMCR1) is set. It does not include the programming
verification time)
not include the erase verification time)
programming 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:
wait time after E bit setting (t
To set the maximum erase time, the values of (t
the above formula.
Wait time after H'FF dummy
write *
Wait time after EV bit clear *
Wait time after SWE bit clear *
Maximum erase count *
1
t
When t
E
(max.) = Wait time after E bit setting (t
se
se
= 100 [ms], N = 12 times
= 10 [ms], N = 120 times
1
*
5
1
se
1
) and the maximum erase count (N):
E
(max.)), the following relationship applies between the
Symbol
t
t
t
N
sevr
cev
cswe
t
t
sp30
sp200
sp10
Rev. 6.00 Feb 22, 2005 page 1073 of 1484
Min.
2
4
100
12
= 30 µs
= 10 µs
= 200 µs
se
) and (N) should be set so as to satisfy
Section 24 Electrical Characteristics
Typ.
2
4
100
—
se
P
) x maximum erase count (N)
(max.)) in the 128-byte
Max.
—
—
—
120
Unit
µs
µs
µs
Times
REJ09B0103-0600
Test Condition