HT32F52230 datasheet(13/39 Pages) HOLTEK

13 / 39 page

Rev. 1.21

13 of 39

April 11, 2017

32-Bit ARM® Cortex™-M0+ MCU

HT32F52220/HT32F52230

Universal Asynchronous Receiver Transmitter – UART

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

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Full duplex communication

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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

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Error detection: Parity, overrun and frame error

The Universal Asynchronous Receiver Transceiver, UART, provides a flexible full duplex data

exchange using asynchronous transfer. The UART is used to translate data between parallel and

serial interfaces, and is commonly used for RS232 standard communication. The UART peripheral

function supports Line Status Interrupt. The software can detect a UART error status by reading

the Line Status Register, LSR. The status includes the type and the condition of transfer operations

as well as several error conditions resulting from Parity, Overrun, Framing and Break events.

Debug Support

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Serial Wire Debug Port – SW-DP

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4 comparators for hardware breakpoint or code / literal patch

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2 comparators for hardware watchpoints

Package and Operation Temperature

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24/28-pin SSOP, 33-pin QFN package

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

HT32F52230 데이터시트(PDF) 13 Page - Holtek Semiconductor Inc