Datasheet

Chapter 4 Memory
MC9S08GB60A Data Sheet, Rev. 2
Freescale Semiconductor 61
6
FPDIS
Flash Protection Disable
0 Flash block specified by FPS2:FPS0 is block protected (program and erase not allowed).
1 No flash block is protected.
5:3
FPS[2:0]
Flash Protect Size Selects — When FPDIS = 0, this 3-bit field determines the size of a protected block of flash
locations at the high address end of the flash (see Ta bl e 4- 11). Protected flash locations cannot be erased or
programmed.
Table 4-11. High Address Protected Block
FPS2:FPS1:FPS0 Protected Address Range Protected Block Size Redirected Vectors
1,2
1
No redirection if FPOPEN = 0, or FNORED = 1.
2
Reset vector is not redirected.
0:0:0 0xFE00–0xFFFF 512 bytes 0xFDC0–0xFDFD
0:0:1 0xFC00–0xFFFF 1024 bytes 0xFBC0–0xFBFD
0:1:0 0xF800–0xFFFF 2048 bytes 0xF7C0–0xF7FD
0:1:1 0xF000–0xFFFF 4096 bytes 0xEFC0–0xEFFD
1:0:0 0xE000–0xFFFF 8192 bytes 0xDFC0–0xDFFD
1:0:1 0xC000–0xFFFF 16384 bytes 0xBFC0–0xBFFD
3
3
32K and 60K devices only.
1:1:0 0x8000–0xFFFF 32768 bytes 0x7FC0–0x7FFD
4
4
60K devices only.
1:1:1 0x182C–0xFFFF 59,348 bytes No redirection allowed
Table 4-10. FPROT Field Descriptions (continued)
Field Description