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Memory mapping STM32F091xB STM32F091xC
46/128 DocID026284 Rev 4
Table 20. STM32F091xB/xC peripheral register boundary addresses
Bus Boundary address Size Peripheral
0x4800 1800 - 0x5FFF FFFF ~384 MB Reserved
AHB2
0x4800 1400 - 0x4800 17FF 1 KB GPIOF
0x4800 1000 - 0x4800 13FF 1 KB GPIOE
0x4800 0C00 - 0x4800 0FFF 1 KB GPIOD
0x4800 0800 - 0x4800 0BFF 1 KB GPIOC
0x4800 0400 - 0x4800 07FF 1 KB GPIOB
0x4800 0000 - 0x4800 03FF 1 KB GPIOA
0x4002 4400 - 0x47FF FFFF ~128 MB Reserved
AHB1
0x4002 4000 - 0x4002 43FF 1 KB TSC
0x4002 3400 - 0x4002 3FFF 3 KB Reserved
0x4002 3000 - 0x4002 33FF 1 KB CRC
0x4002 2400 - 0x4002 2FFF 3 KB Reserved
0x4002 2000 - 0x4002 23FF 1 KB Flash memory interface
0x4002 1400 - 0x4002 1FFF 3 KB Reserved
0x4002 1000 - 0x4002 13FF 1 KB RCC
0x4002 0400 - 0x4002 0FFF 3 KB Reserved
0x4002 0000 - 0x4002 03FF 1 KB DMA
0x4001 8000 - 0x4001 FFFF 32 KB Reserved
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