STM32F103x8, STM32F103xB
Memory mapping
4
Memory mapping
The memory map is shown in Figure 9.
Figure 9.
Memory map
APB memory space
0xFFFF FFFF
reserved
0xE010 0000
0x6000 0000
0xFFFF FFFF
reserved
reserved
CRC
0x4002 3400
0x4002 3000
7
reserved
0x4002 2400
0x4002 2000
0x4002 1400
0x4002 1000
0xE010 0000
Cortex-M3 Internal
Peripherals
Flash Interface
reserved
0xE000 0000
RCC
reserved
6
0x4002 0400
0x4002 0000
DMA
reserved
0xC000 0000
0x4001 3C00
0x4001 3800
0x4001 3400
USART1
reserved
SPI1
5
0x4001 3000
0x4001 2C00
0x4001 2800
0x4001 2400
TIM1
0xA000 0000
ADC2
ADC1
reserved
Port E
0x4001 1C00
0x4001 1800
0x4001 1400
0x4001 1000
0x1FFF FFFF
0x1FFF F80F
4
reserved
Port D
Port C
0x8000 0000
Option Bytes
0x1FFF F800
Port B
Port A
EXTI
0x4001 0C00
0x4001 0800
3
System memory
0x4001 0400
0x4001 0000
0x1FFF F000
AFIO
0x6000 0000
reserved
0x4000 7400
0x4000 7000
0x4000 6C00
PWR
BKP
2
reserved
bxCAN
reserved
0x4000 6800
0x4000 6400
Peripherals
0x4000 0000
shared 512 byte
USB/CAN SRAM
0x4000 6000
0x4000 5C00
0x4000 5800
USB Registers
1
I2C2
I2C1
0x4000 5400
0x4000 4C00
SRAM
0x2000 0000
reserved
USART3
0x0801 FFFF
0x4000 4800
0x4000 4400
0x4000 3C00
USART2
0
Flash memory
reserved
SPI2
0x4000 3800
0x0800 0000
0x0000 0000
0x0000 0000
reserved
IWDG
Aliased to Flash or system
memory depending on
BOOT pins
0x4000 3400
0x4000 3000
0x4000 2C00
0x4000 2800
0x4000 0C00
0x4000 0800
WWDG
RTC
reserved
TIM4
Reserved
TIM3
TIM2
0x4000 0400
0x4000 0000
ai14394f
Doc ID 13587 Rev 11
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