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
Wireless-Tag Technology Co., Ltd. V1.0.1
©2020 Wireless-Tag Technology Co., Ltd. All rights reserved.
http://www.wireless-tag.com
5
Pin No.
Pin Name
Description
7
GND
Module power negative
8
GND
Module power negative
9
A02
GPIO/ADC Channel 6
10
A07
GPIO/Wake-up
11
A08
GPIO
12
A09
GPIO
13
A13
GPIO
14
A14
GPIO
15
A15
GPIO
16
B00
GPIO
17
VCC
Module power positive 3.3V
18
B01
GPIO
19
B05
GPIO(debug interface data by default)
20
B06
GPIO(debug interface clock by default)
21
B08
GPIO
22
B09
GPIO
23
B10
GPIO
24
RST
Reset input pin, active low










