Information

Memory mapping STM32F105xx, STM32F107xx
32/104 DocID15274 Rev 7
4 Memory mapping
The memory map is shown in Figure 5.
Figure 5. Memory map
512-Mbyte
block 7
Cortex-M3's
internal
peripherals
512-Mbyte
block 6
Not used
512-Mbyte
block 5
Not used
512-Mbyte
block 4
Not used
512-Mbyte
block 3
Not used
512-Mbyte
block 2
Peripherals
512-Mbyte
block 1
SRAM
0x0000 0000
0x1FFF FFFF
0x2000 0000
0x3FFF FFFF
0x4000 0000
0x5FFF FFFF
0x6000 0000
0x7FFF FFFF
0x8000 0000
0xAFFF FFFF
0xB000 0000
0xBFFF FFFF
0xC000 0000
0xDFFF FFFF
0xE000 0000
0xFFFF FFFF
512-Mbyte
block 0
Code
Flash
0x0804 0000
0x1FFF AFFF
0x1FFF B000 - 0x1FFF F7FF
0x0800 0000
0x0803 FFFF
0x0004 0000
0x07FF FFFF
0x0000 0000
0x0003 FFFF
System memory
Reserved
Reserved
Aliased to Flash or system
memory depending on
BOOT pins
SRAM (aliased
by bit-banding)
Reserved
0x2000 0000
0x2000 FFFF
0x2001 0000
0x3FFF FFFF
RTC
WWDG
0x4000 2800 - 0x4000 2BFF
IWDG
Reserved
SPI2/I2S2
SPI3/I2S3
Reserved
0x4000 2C00 - 0x4000 2FFF
0x4000 3000 - 0x4000 33FF
0x4000 3400 - 0x4000 37FF
0x4000 3800 - 0x4000 3BFF
0x4000 3C00 - 0x4000 3FFF
0x4000 4000 - 0x4000 43FF
USART2
0x4000 4400 - 0x4000 47FF
USART3
0x4000 4800 - 0x4000 4BFF
UART4
0x4000 4C00 - 0x4000 4FFF
UART5
0x4000 5000 - 0x4000 53FF
I2C1
0x4000 5400 - 0x4000 57FF
I2C2
0x4000 5800 - 0x4000 5BFF
Reserved
0x4000 5C00 - 0x4000 63FF
0x4000 6400 - 0x4000 67FF
bxCAN1
bxCAN2
0x4000 6800 - 0x4000 6BFF
BKP
0x4000 6C00 - 0x4000 6FFF
PWR
0x4000 7000 - 0x4000 73FF
DAC
0x4000 7400 - 0x4000 77FF
AFIO 0x4001 0000 - 0x4001 3FFF
EXTI 0x4001 0400 - 0x4001 07FF
Port A
0x4001 0800 - 0x4001 0BFF
Port B 0x4001 0C00 - 0x4001 0FFF
Port C
0x4001 1000 - 0x4001 13FF
Port D
0x4001 1400 - 0x4001 17FF
Port E
0x4001 1800 - 0x4001 1BFF
Reserved
0x4001 1C00 - 0x4001 23FF
ADC1
0x4001 2400 - 0x4001 27FF
ADC2
0x4001 2800 - 0x4001 2BFF
TIM1
0x4001 2C00 - 0x4001 2FFF
SPI1
0x4001 3000 - 0x4001 33FF
Reserved 0x4001 3400 - 0x4001 37FF
USART1 0x4001 3800 - 0x4001 3BFF
Reserved
0x4001 3C00 - 0x4001 FFFF
DMA2
0x4002 0400 - 0x4002 07FF
Reserved
0x4002 1400 - 0x4002 1FFF
Flash interface
0x4002 2000 - 0x4002 23FF
Reserved
0x4002 2400 - 0x4002 2FFF
CRC
0x4002 3000 - 0x4002 33FF
Reserved
0x4002 3400 - 0x4002 7FFF
Ethernet
0x4002 8000 - 0x4002 9FFF
Reserved
0x4003 0000 - 0x4FFF FFFF
USB OTG FS
0x5000 0000 - 0x5003 FFFF
Reserved
0x5000 0400 - 0x5FFF FFFF
ai15412b
0x4002 0800 - 0x4002 0FFF
0x4002 1000 - 0x4002 13FF
Reserved
RCC
DMA1
0x4002 0000 - 0x4002 03FF
Reserved
0x4000 7800 - 0x4000 FFFF
APB2
AHB
0x4000 1800 - 0x4000 27FF
0x4000 0800 - 0x4000 0BFF
0x4000 0C00 - 0x4000 0FFF
0x4000 1000 - 0x4000 13FF
0x4000 1400 - 0x4000 17FF
0x4000 0000 - 0x4000 03FF
0x4000 0400 - 0x4000 07FF
Reserved
TIM7
TIM6
TIM5
TIM4
TIM3
TIM2
APB1
Option bytes 0x1FFF F800 - 0x1FFF FFFF