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HT32F52352

CORTEX  M0 32BIT USB MCU 

• 12-bit down counter with 3-bit prescaler

• Reset event for the system

• Programmable watchdog timer window function

• Register write protection function

Inter-integrated Circuit -- I2C

• Supports both master and slave modes with a frequency of up to 1 MHz

• Provide an arbitration function and clock synchronization

• Supports 7-bit and 10-bit addressing modes and general call addressing

• Supports slave multi-addressing mode with maskable address

Serial Peripheral Interface -- SPI

• Supports both master and slave mode

• Frequency of up to (fPCLK/2) MHz for the master mode and (fPCLK/3) MHz for the slave mode

• FIFO Depth: 8 levels

• Multi-master and multi-slave operation

Universal Synchronous Asynchronous Receiver Transmitter -- USART

• Supports both asynchronous and clocked synchronous serial communication modes

• Asynchronous operating baud rate up to (fPCLK/16) MHz and synchronous operating rate up to (fPCLK/8) MHz

• Full duplex communication

• Fully programmable serial communication characteristics including:
  - Word length: 7, 8, or 9-bit character
  - Parity: Even, odd, or no-parity bit generation and detection
  - Stop bit: 1 or 2 stop bit generation
  - Bit order: LSB-first or MSB-first transfer

• Error detection: Parity, overrun and frame error

• Auto hardware flow control mode – RTS, CTS

• IrDA SIR encoder and decoder

• RS485 mode with output enable control

• FIFO Depth: 8-level for both receiver and transmitter

Universal Asynchronous Receiver Transmitter -- UART

• Asynchronous serial communication operating baud-rate up to (fPCLK/16) MHz

• Full duplex communication

• Fully programmable serial communication characteristics including:
  - Word length: 7, 8, or 9-bit character
  - Parity: Even, odd, or no-parity bit generation and detection
  - Stop bit: 1 or 2 stop bit generation
  - Bit order: LSB-first or MSB-first transfer

• Error detection: Parity, overrun and frame error

Debug Support

• Serial Wire Debug Port – SW-DP

• 4 comparators for hardware breakpoint or code / literal patch

• 2 comparators for hardware watchpoints

Package and Operation Temperature

• 24/28-pin SSOP, 33-pin QFN package

• Operation temperature range: -40°C to +85°C