Data Sheet
Table Of Contents
- 1Overview
- 2Chip Dimensions
- 3Pin Definition
- 4Functional Description
- 4.1Direct Memory Access Controller (DMA)
- 4.2Independent Watchdog(IWDG)
- 4.3Window Watchdog(WWDG)
- 4.4General Purpose and Alternate Function(GPIO and AF
- 4.5Peripheral Interconnection
- 4.6Elliptic Curve Cryptography(ECC)
- 4.7Encryption(AES/DES)
- 4.8True Random Number Generator(TRNG)
- 4.9Calculating Accelerator(CALC)
- 4.10Advanced Timer(ADTIM)
- 4.11General-Purpose Timer(GPTIMC)
- 4.12Basic Timer(BSTIM)
- 4.13Low-Power Timer(LPTIM)
- 4.14Analog-to-Digital Converter(ADC)
- 4.15Real Time Clock(RTC)
- 4.16Inter-Integrated Circuit Interface(I2C)
- 4.17Serial Peripheral Interface 1(LSSPI)
- 4.18Serial Peripheral Interface 2(SPI2)
- 4.19Universal Asynchronous Receiver Transmitter(UART)
- 4.20Audio Interface (PDM)
- 4.21BLE
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4
3 Pin Definition
3.1 Pin Layout
Figure 2 Top View
3.2 Pin Description
The module has a total of 24 pins. See Table 1 for specific descriptions.
Table 1 Pin Definition
Pin No.
Pin Name
Description
1
B12
GPIO/ADC Channel 0
2
B13
GPIO/ADC Channel 1
3
B14
GPIO (BOOT pin, high level is required when
programming)
4
B15
GPIO/Wake-up
5
A00
GPIO/ADC Channel 4/Wake-up
6
A01
GPIO/ADC Channel 5