32-Bit Arm® Cortex®-M0+ MCU
HT32F52344/HT32F52354
Table of Contents
1 General Description................................................................................................ 6
2 Features................................................................................................................... 7
Core.......................................................................................................................................7
On-chip Memory ....................................................................................................................7
Flash Memory Controller – FMC............................................................................................7
Reset Control Unit – RSTCU.................................................................................................8
Clock Control Unit – CKCU....................................................................................................8
Power Management Control Unit – PWRCU......................................................................... 8
External Interrupt/Event Controller – EXTI ............................................................................9
Analog to Digital Converter – ADC ........................................................................................9
Comparator – CMP................................................................................................................9
I/O Ports – GPIO..................................................................................................................10
Motor Control Timer – MCTM ..............................................................................................10
General-Purpose Timer – GPTM.........................................................................................10
Single Channel Timer – SCTM ............................................................................................ 11
Basic Function Timer – BFTM ............................................................................................. 11
Watchdog Timer – WDT....................................................................................................... 11
Real Time Clock – RTC .......................................................................................................12
Inter-integrated Circuit – I2C ................................................................................................12
Serial Peripheral Interface – SPI .........................................................................................12
Universal Asynchronous Receiver Transmitter – UART ...................................................... 13
Cyclic Redundancy Check – CRC.......................................................................................13
Peripheral Direct Memory Access – PDMA .........................................................................14
Hardware Divider – DIV.......................................................................................................14
External Bus Interface – EBI................................................................................................14
Universal Serial Bus Device Controller – USB ....................................................................15
Debug Support.....................................................................................................................15
Package and Operation Temperature..................................................................................15
3 Overview................................................................................................................ 16
Device Information...............................................................................................................16
Block Diagram .....................................................................................................................17
Memory Map........................................................................................................................18
Clock Structure ....................................................................................................................21
4 Pin Assignment..................................................................................................... 22
Rev. 1.10
2 of 51
August 03, 2020
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