Information

A 32-bit read in the alias region returns either:
• a value of 0x0000_0000 to indicate the target bit is clear
• a value of 0x0000_0001 to indicate the target bit is set
31
0 0
31
Bit-band region Alias bit-band region
1 MByte
32 MByte
Figure 4-1. Alias bit-band mapping
NOTE
Each bit in bit-band region has an equivalent bit that can be
manipulated through bit 0 in a corresponding long word in the
alias bit-band region.
4.3 Flash Memory Map
The various flash memories and the flash registers are located at different base addresses
as shown in the following figure. The base address for each is specified in System
memory map.
Chapter 4 Memory Map
K20 Sub-Family Reference Manual, Rev. 2, Feb 2012
Freescale Semiconductor, Inc. 133