Specifications

ManualsBrandsWireless-tag ManualsNetwork HardwareBluetooth Module

Wireless-Tag Technology Co., Ltd. V1.0.0

http://www.wireless-tag.com

III

Contents

1 Overview........................................................................................................................................................1

2 Chip Dimensions............................................................................................................................................3

3 Pin Definition.................................................................................................................................................4

3.1 Pin Layout.........................................................................................................................................4

3.2 Pin Description................................................................................................................................. 4

4 Functional Description...................................................................................................................................6

4.1 Direct Memory Access Controller (DMA).......................................................................................6

4.2 Independent Watchdog(IWDG)....................................................................................................... 6

4.3 Window Watchdog(WWDG)...........................................................................................................7

4.4 General Purpose and Alternate Function(GPIO and AFIO)............................................................ 7

4.5 Peripheral Interconnection................................................................................................................8

4.6 Elliptic Curve Cryptography(ECC)..................................................................................................8

4.7 Encryption(AES/DES)......................................................................................................................8

4.8 True Random Number Generator(TRNG)....................................................................................... 9

4.9 Calculating Accelerator(CALC).......................................................................................................9

4.10 Advanced Timer(ADTIM)..............................................................................................................9

4.11 General-Purpose Timer(GPTIMC)...............................................................................................10

4.12 Basic Timer(BSTIM)....................................................................................................................11

4.13 Low-Power Timer(LPTIM)..........................................................................................................12

4.14 Analog-to-Digital Converter(ADC)............................................................................................. 12

4.15 Real Time Clock(RTC).................................................................................................................13

4.16 Inter-Integrated Circuit Interface(I2C).........................................................................................14

4.17 Serial Peripheral Interface 1(LSSPI)............................................................................................14

4.18 Serial Peripheral Interface 2(SPI2)...............................................................................................15

4.19 Universal Asynchronous Receiver Transmitter(UART)..............................................................16

4.20 Audio Interface (PDM).................................................................................................................18

4.21 Bluetooth(BLE)............................................................................................................................ 18