Contents
Contents
1 Introduction ................................................................................................................................................................ 1
2 Product overview........................................................................................................................................................ 2
2.1 Features ........................................................................................................................................................... 2
2.2 Device overview .............................................................................................................................................. 4
3 Function description................................................................................................................................................... 5
3.1 Block diagram .................................................................................................................................................. 5
3.2 Memory mapping............................................................................................................................................ 5
3.3 Memory ........................................................................................................................................................... 6
3.3.1 Flash...................................................................................................................................................... 6
3.3.2 SRAM .................................................................................................................................................... 6
3.4 Power supply schemes.................................................................................................................................... 6
3.5 Power supply monitor..................................................................................................................................... 7
3.6 Low-power modes........................................................................................................................................... 7
3.7 Resets............................................................................................................................................................... 7
3.7.1 System reset......................................................................................................................................... 7
3.7.2 Power reset .......................................................................................................................................... 8
3.8 Clocks and clock tree....................................................................................................................................... 8
3.9 SYSCFG ............................................................................................................................................................. 9
3.10 GPIO ............................................................................................................................................................... 9
3.11 Interrupts and events.................................................................................................................................... 9
3.11.1 NVIC.................................................................................................................................................... 9
3.11.2 EXTI................................................................................................................................................... 10
3.12 ADC............................................................................................................................................................... 10
3.12.1 Temperature sensor ........................................................................................................................ 11
3.12.2 Internal reference voltage............................................................................................................... 11
3.13 DAC............................................................................................................................................................... 11
3.14 CLU ............................................................................................................................................................... 11
3.15 Timers .......................................................................................................................................................... 11
3.15.1 Advanced timer ............................................................................................................................... 12
3.15.2 SysTick timer .................................................................................................................................... 12
3.16 WWDG ......................................................................................................................................................... 12
3.17 USART........................................................................................................................................................... 12
3.18 I2C ................................................................................................................................................................ 13
3.19 96-bit UID..................................................................................................................................................... 13
3.20 Debug port................................................................................................................................................... 13
4 Electrical characteristics........................................................................................................................................... 14
Copyright © 2023 Shenzhen Hangshun Chip Technology R&D Co., Ltd.
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