Memory mapping
STM32F103xC, STM32F103xD, STM32F103xE
4
Memory mapping
The memory map is shown in Figure 9.
Figure 9. Memory map
Reserved
FSMC register
0xA000 1000 - 0xBFFF FFFF
0xA000 0000 - 0xA000 0FFF
0x9000 0000 - 0x9FFF FFFF
0x8000 0000 - 0x8FFF FFFF
0x7000 0000 - 0x7FFF FFFF
0x6C00 0000 - 0x6FFF FFFF
0x6800 0000 - 0x6BFF FFFF
0x6400 0000 - 0x67FF FFFF
0x6000 0000 - 0x63FF FFFF
0x4002 4400 - 0x5FFF FFFF
0x4002 3000 - 0x4002 33FF
0x4002 2400 - 0x4002 2FFF
0x4002 2000 - 0x4002 23FF
0x4002 1400 - 0x4002 1FFF
0x4002 1000 - 0x4002 13FF
0x4002 0400 - 0x4002 0FFF
0x4002 0400 - 0x4002 07FF
FSMC bank4 PCCARD
FSMC bank3 NAND (NAND2)
FSMC bank2 NAND (NAND1)
FSMC bank1 NOR/PSRAM 4
FSMC bank1 NOR/PSRAM 3
FSMC bank1 NOR/PSRAM 2
FSMC bank1 NOR/PSRAM 1
Reserved
CRC
Reserved
Flash interface
Reserved
RCC
Reserved
DMA2
DMA1
Reserved
SDIO
0x4002 0000 - 0x4002 03FF
0x4001 8400 - 0x4001 FFFF
0x4001 8000 - 0x4001 83FF
Reserved
ADC3
USART1
TIM8
SPI1
TIM1
0x4001 400 - 0x4001 7FFF
0x4001 3C00 - 0x4001 3FFF
0x4001 3800 - 0x4001 3BFF
0x4001 3400 - 0x4001 37FF
0x4001 3000 - 0x4001 33FF
0x4001 2C00 - 0x4001 2FFF
0xFFFF FFFF
512-Mbyte
block 7
ADC2
0x4001 2800 - 0x4001 2BFF
Cortex-M3's
internal
peripherals
ADC1
Port G
Port F
0x4001 2400 - 0x4001 27FF
0x4001 2000 - 0x4001 23FF
0x4001 1C00 - 0x4001 1FFF
0x4001 1800 - 0x4001 1BFF
0x4001 1400 - 0x4001 17FF
0x4001 1000 - 0x4001 13FF
0x4001 0C00 - 0x4001 0FFF
0x4001 0800 - 0x4001 0BFF
0x4001 0400 - 0x4001 07FF
0x4001 0000 - 0x4001 03FF
0x4000 7800 - 0x4000 FFFF
0xE000 0000
0xDFFF FFFF
Port E
Port D
Port C
Port B
Port A
EXTI
AFIO
Reserved
DAC
PWR
512-Mbyte
block 6
Not used
0xC000 0000
0xBFFF FFFF
512-Mbyte
block 5
FSMC register
0x4000 7400 - 0x4000 77FF
0x4000 7000 - 0x4000 73FF
0x4000 6C00 - 0x4000 6FFF
0x4000 6800 - 0x4000 6BFF
0x4000 6400 - 0x4000 67FF
BKP
Reserved
BxCAN
0xA000 0000
0x9FFF FFFF
512-Mbyte
block 4
FSMC bank 3
& bank4
Shared USB/CAN SRAM 512
0x4000 6000 - 0x4000 63FF
bytes
0x4000 5C00 - 0x4000 5FFF
0x4000 5800 - 0x4000 5BFF
USB registers
I2C2
0x8000 0000
0x7FFF FFFF
I2C1
0x4000 5400 - 0x4000 57FF
0x4000 5000 - 0x4000 53FF
0x4000 4C00 - 0x4000 4FFF
0x4000 4800 - 0x4000 4BFF
0x4000 4400 - 0x4000 47FF
0x4000 4000 - 0x4000 43FF
0x4000 3C00 - 0x4000 3FFF
0x4000 3800 - 0x4000 3BFF
0x4000 3400 - 0x4000 37FF
0x4000 3000 - 0x4000 33FF
0x4000 2C00 - 0x4000 2FFF
0x4000 2800 - 0x4000 2BFF
0x4000 1800 - 0x4000 27FF
0x4000 1400 - 0x4000 17FF
0x4000 1000 - 0x4000 13FF
0x4000 0C00 - 0x4000 0FFF
0x4000 0800 - 0x4000 0BFF
0x4000 0400 - 0x4000 07FF
0x4000 0000 - 0x4000 03FF
UART5
UART4
512-Mbyte
block 3
FSMC bank1
& bank2
USART3
USART2
0x6000 0000
0x5FFF FFFF
Reserved
SPI3/I2S3
SPI2/I2S2
512-Mbyte
block 2
Peripherals
Reserved
IWDG
0x4000 0000
0x3FFF FFFF
WWDG
RTC
512-Mbyte
block 1
SRAM
Reserved
TIM7
TIM6
TIM5
TIM4
TIM3
TIM2
0x2000 0000
0x1FFF FFFF
512-Mbyte
block 0
Code
0x0000 0000
0x3FFF FFFF
Reserved
0x2001 0000
0x2000 FFFF
SRAM (64 KB aliased
by bit-banding)
0x2000 0000
Option Bytes
0x1FFF F800 - 0x1FFF F80F
0x1FFF F000- 0x1FFF F7FF
0x1FFF EFFF
0x0808 0000
0x0807 FFFF
0x0800 0000
0x07FF FFFF
0x0008 0000
System memory
Reserved
Flash
Reserved
Aliased to Flash or system 0x0007 FFFF
memory depending on
ai14753d
BOOT pins
0x0000 0000
38/130
Doc ID 14611 Rev 8
STMICROELECTRONICS [ ST ]
