CD00161566 Datasheet, PDF (34/105 Pages) STMicroelectronics – nullMedium-density performance line ARM-based 32-bit MCU

Memory mapping
STM32F103x8, STM32F103xB
4
Memory mapping
The memory map is shown in Figure 11.
Figure 11. Memory map
0xFFFF FFFF
7
0xE010 0000 _{Cortex- M3 Internal}
0xE000 0000
Peripherals
6
0xC000 0000
5
0xA000 0000
4
0x8000 0000
3
0x6000 0000
2
0x4000 0000
Peripherals
1
0x2000 0000
SRAM
0
0x0000 0000
Reserved
0x1FFF FFFF
0x1FFF F80F
0x1FFF F800
rese rved
Option Bytes
System memory
0x1FFF F000
rese rved
0x0801 FFFF
Flash memory
0x0800 0000
Aliased to Flash or system
memory depending on
0x0000 0000 ^{BOOT pins}
APB memory space
0xFFFF FFFF
reserved
0xE010 0000
0x6000 0000
reserved
reserved
0x4002 3400
CRC
0x4002 3000
reserved
0x4002 2400
0x4002 2000
0x4002 1400
0x4002 1000
0x4002 0400
0x4002 0000
0x4001 3C00
0x4001 3800
0x4001 3400
Flash Interface
reserved
RCC
reserved
DMA
reserved
USART1
reserved
0x4001 3000
0x4001 2C00
0x4001 2800
SPI1
TIM1
ADC2
ADC1
0x4001 2400
0x4001 1C00
0x4001 1800
0x4001 1400
0x4001 1000
rese rve d
Port E
Port D
Port C
0x4001 0C00
0x4001 0800
0x4001 0400
0x4001 0000
Port B
Port A
EXTI
AFIO
reserved
0x4000 7400
PWR
0x4000 7000
BKP
0x4000 6C00
reserved
0x4000 6800
bxCAN
0x4000 6400
0x4000 6000
0x4000 5C00
0x4000 5800
0x4000 5400
0x4000 4C00
0x4000 4800
0x4000 4400
0x4000 3C00
shared 512 byte
USB/CAN SRAM
USB Reg isters
I2C2
I2C1
reserved
USART3
USART2
reserved
SPI2
0x4000 3800
reserved
0x4000 3400
0x4000 3000
IWDG
WWDG
0x4000 2C00
0x4000 2800
0x4000 0C00
0x4000 0800
0x4000 0400
0x4000 0000
RTC
reserved
TIM4
TIM3
TIM2
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DocID13587 Rev 16