MC9S08DE60 Datasheet, PDF (63/412 Pages) Freescale Semiconductor, Inc – Microcontrollers

Chapter 4 Memory
7
6
5
4
3
2
1
0
R
EPS¹
W
FPS¹
Reset
This register is loaded from nonvolatile location NVPROT during reset.
1 _{Background commands can be used to change the contents of these bits in FPROT.}
Figure 4-9. Flash and EEPROM Protection Register (FPROT)
Table 4-13. FPROT Register Field Descriptions
Field
7:6
EPS
5:0
FPS
Description
EEPROM Protect Select Bits — This 2-bit field determines the protected EEPROM locations that cannot be
erased or programmed. See Table 4-14.
Flash Protect Select Bits — This 6-bit field determines the protected Flash locations that cannot be erased or
programmed. SeeTable 4-15Table 4-16.
EPS
0x3
0x2
0x1
0x0
FPS
0x3F
0x3E
0x3D
0x3C
0x3B
0x3A
...
0x2D
0x2C
0x2B
0x2A
0x29
Table 4-14. EEPROM Block Protection
Address Area Protected
N/A
0x17F0 - 0x17FF
0x17E0 - 0x17FF
0x17C0–0x17FF
Memory Size Protected (bytes)
0
32
64
128
Number of Sectors Protected
0
4
8
16
Table 4-15. MC9S08DE60 Flash Block Protection
Address Area Protected
Memory Size Protected (bytes) Number of Sectors Protected
ECC off
ECC on
N/A
0xFA00–0xFFFF
0xF400–0xFFFF
0xEE00–0xFFFF
0xE800–0xFFFF
0xE200–0xFFFF
...
0x9400–0xFFFF
0x8E00–0xFFFF
0x8800–0xFFFF
0x8200–0xFFFF
0x7C00–0xFFFF
ECC off
ECC on
0
1.5K
3K
4.5K
6K
7.5K
...
27K
28.5K
30K
31.5K
33K
ECC off
ECC on
0
0
2
3
4
6
6
9
8
12
10
15
...
36
54
38
57
40
60
42
63
44
66
MC9S08DE60 Series Data Sheet, Rev. 3
Freescale Semiconductor
63