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mcu_mem_map.md

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Flash

Start address End address Description
0x00000 0x0EFFF Normal operation mode program
0x0F000 0x0FFFF Firmware update mode program
0x10000 0x107FF Boot code

RAM

RAM memory mapped at address 0x20000000

Peripherals

GPIO - PORT_A

Base address: 0x40060000
Direction address: 0x40060004

Exposed pins

Pin Function
PA3
PA4
PA5
PA6
PA7
PA8
PA9 Battery voltage ADC (SARADC_CH04)
PA10 I2C_SCL for EEPROM and BK1080
PA11 I2C_SDA for EEPROM and BK1080
PA12
PA13
PA14 Unknown Analog value (SARADC_CH09)

GPIO - PORT_B

Base address: 0x40060800
Direction address: 0x40060804

Exposed pins

Pin Function
PB6 LCD Backgliht on
PB7
PB8
PB9 ST7565 A0 pin?
PB10
PB11
PB14
PB15 BK1080 Power on?

GPIO - PORT_C

Base address: 0x40061000
Direction address: 0x40061004

Exposed pins

Pin Function
PC0
PC1
PC2
PC3 Flashlight LED
PC4
PC5

UART

Uart base address: 0x4006B800