HD64F2149 Datasheet, PDF (800/1035 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

25.6 Flash Memory Characteristics
Table 25.15 shows the flash memory characteristics.
Table 25.15 Flash Memory Characteristics
Condition: V_CC = 3.0 V to 3.6 V, V_SS = 0 V, T_a = –20 to +75°C
Item
Programming time*^1,*^2,*⁴
Symbol Min
Typ
Max
tP
—
10
200
Erase time*^1,*^3,*⁶
tE
—
100
1200
Reprogramming count
N_WEC
—
—
100
Programming Wait time after x
SWE-bit setting*¹
1
—
—
Wait time after y
PSU-bit setting*¹
50
—
—
Wait time after z1
28
30
32
P-bit setting*^1, *⁴ z2
198
200
202
z3
8
10
12
Wait time after α
P-bit clear*¹
Wait time after β
PSU-bit clear*¹
Wait time after γ
PV-bit setting*¹
Wait time after ε
dummy write*¹
Wait time after η
PV-bit clear*¹
Wait time after θ
SWE-bit clear*¹
Maximum
N
programming
count*^1,*^4,*⁵
5
—
5
—
4
—
2
—
2
—
100
—
—
—
—
—
—
—
—
—
1000
Test
Unit Condition
ms/
128 bytes
ms/
block
Times
µs
µs
µs
1≤n≤6
µs
7 ≤ n ≤ 1000
µs
additional
write
µs
µs
µs
µs
µs
µs
Times
766