h8s-2158 Renesas Electronics Corporation., h8s-2158 Datasheet - Page 912

• Manufacturer Part Number: h8s-2158
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 29 Electrical Characteristics
Rev. 3.00 Jan 25, 2006 page 860 of 872
REJ09B0286-0300
2. Programming time per 128 bytes (Shows the total period for which the P bit in FLMCR1
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. Set the maximum programming count (N) to a value less than the maximum
6. Maximum erase time (tE max)
7. Set the maximum erase count (N) to a value less than the maximum erase time (tE
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,
is set. It does not include the program verification time.)
not include the erase verification time.)
tP max = (wait time after P-bit setting (z1) + (z3)) x 6
programming time (tP max), with referencing the actual z1, z2, and z3 settings. The
wait time after P-bit setting (z1, z2, and z3) should be changed depending on the
programming count (n).
Programming count(n)
1
7
tE max = wait time after E-bit setting (z)
max), with referencing the actual (z) setting.
(Guarantee range is 1 to minimum value.)
value).
including the minimum value.
n
n
6 z1 = 30 µs, z3 = 10 µs
1000 z2 = 200 µs
+ wait time after P-bit setting (z2) x ((N) – 6)
maximum erase count (N)