The Cortex-M4 processor PM0214
28/262 PM0214 Rev 9
2.2 Memory model
This section describes the processor memory map, the behavior of memory accesses, and
the bit-banding features. The processor has a fixed memory map that provides up to 4 GB of
addressable memory.
Figure 8. Memory map
The regions for SRAM and peripherals include bit-band regions. Bit-banding provides
atomic operations to bit data, see Section 2.2.5: Bit-banding on page 32.
The processor reserves regions of the Private peripheral bus (PPB) address range for core
peripheral registers, see Section 4.1: About the STM32 Cortex-M4 core peripherals on
page 193.
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