h8s-2169 Renesas Electronics Corporation., h8s-2169 Datasheet - Page 834

• Manufacturer Part Number: h8s-2169
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 25 Electrical Characteristics
Rev. 3.00 Jan 18, 2006 page 806 of 1044
REJ09B0280-0300
3. Block erase time (Shows the total period for which the E-bit in FLMCR1 is set. It does
4. Maximum programming time (tP (max))
5. The maximun number of writes (N) should be set according to the actual set value of
6. Maximum erase time (tE (max))
7. The maximum number of erases (N) should be set according to the actual set value of z
8. Minimum number of times for which all characteristics are guaranteed after rewriting
9. Reference value for 25 C (as a guideline, rewriting should normally function up to this
10. Data retention characteristic when rewriting is performed within the specification range,
not include the erase verification time.)
tP (max) = (wait time after P-bit setting (z1) + (z3))
z1, z2 and z3 to allow programming within the maximum programming time (tP (max)).
The wait time after P-bit setting (z1,z2, and z3) should be alternated according to the
number of writes (n) as follows:
1
7
tE (max) = Wait time after E-bit setting (z)
to allow erasing within the maximum erase time (tE (max)).
(Guarantee range is 1 to minimum value).
value).
including the minimum value.
n 6
n
1000
+ wait time after P-bit setting (z2)
z1 = 30µs, z3 = 10µs
z2 = 200µs
maximum erase count (N)
((N) – 6)
6