mcf51jf128 Freescale Semiconductor, Inc, mcf51jf128 Datasheet - Page 316

• Manufacturer Part Number: mcf51jf128
• Description: Mcf51jf128 Reference Manual
• Manufacturer: Freescale Semiconductor, Inc

Memory Map and Registers
13.2.22 Flash Configuration Register (SIM_SPCR)
The following Reset row refers to Chip POR. Only that type of reset, or any reset type
that triggers Chip POR, affects this register. Other reset types do not affect this register.
Address: SIM_SPCR is FFFF_80C0h base + 20h offset = FFFF_80E0h
* Notes:
•
316
x = Undefined at reset.
NVMSIZE
PFSIZE
Reset
Field
Read
7–4
3–0
Write
Bit
FlexNVM size
This field specifies the amount of FlexNVM available on the device.
0000
0001
0010
0011
x1xx
Program flash size
This field specifies the amount of program flash memory available on the device.
0000
0001
0010
0011
0100
0101
0110
0111
1xxx
x*
7
Reserved
16 KB of FlexNVM, 2 KB protection region
Reserved
32 KB of FlexNVM, 4 KB protection region
Reserved
Reserved
Reserved
Reserved
32 KB of program flash memory, 1 KB protection region
Reserved
64 KB of program flash memory, 2 KB protection region
Reserved
128 KB of program flash memory, 4 KB protection region
Reserved
x*
6
MCF51JF128 Reference Manual, Rev. 2, 03/2011
NVMSIZE
SIM_SPCR field descriptions
x*
5
Preliminary
x*
4
Description
x*
3
x*
2
PFSIZE
Freescale Semiconductor, Inc.
x*
1
x*
0