Information

12.2.14 Flash Configuration Register 1 (SIM_FCFG1)
The reset value of EESIZE and DEPART are based on user programming in user IFR via
the PGMPART flash command.
Address: SIM_FCFG1 is 4004_7000h base + 104Ch offset = 4004_804Ch
Bit 31 30 29 28 27 26 25 24
R
NVMSIZE PFSIZE
W
Reset
1* 1* 1* 1* 1* 1* 1* 1*
Bit
23 22 21 20 19 18 17 16
R
0 EESIZE
W
Reset
0* 0* 0* 0* 1* 1* 1* 1*
Bit
15 14 13 12 11 10 9 8
R
0
DEPART
W
Reset
0* 0* 0* 0* 1* 1* 1* 1*
Bit
7 6 5 4 3 2 1 0
R
0
FLASHDOZE
FLASHDIS
W
Reset
0* 0* 0* 0* 0* 0* 0* 0*
* Notes:
Reset value loaded during System Reset from Flash IFR.•
SIM_FCFG1 field descriptions
Field Description
31–28
NVMSIZE
FlexNVM size
This field specifies the amount of FlexNVM memory available on the device . Undefined values are
reserved.
0000 0 KB of FlexNVM
0011 32 KB of FlexNVM, 4 KB protection region
27–24
PFSIZE
Program flash size
This field specifies the amount of program flash memory available on the device . Undefined values are
reserved.
0011 32 KB of program flash memory, 1 KB protection region
0101 64 KB of program flash memory, 2 KB protection region
0111 128 KB of program flash, 4 KB protection region
Table continues on the next page...
Chapter 12 System Integration Module (SIM)
K20 Sub-Family Reference Manual, Rev. 2, Feb 2012
Freescale Semiconductor, Inc. 247