Holtek HT32F52220 User Manual page 20

32-Bit Arm ® Cortex ® -M0+ MCU
HT32F52220/HT32F52230
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Serial Peripheral Interface – SPI
● Supports both master and slave mode
● Frequency of up to (f
● FIFO Depth: 8 levels
● Multi-master and multi-slave operation
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Universal Synchronous Asynchronous Receiver Transmitter – USART
● Supports both asynchronous and clocked synchronous serial communication modes
● Asynchronous operating baud rate up to (f
(f /8) MHz
PCLK
● Capability of full duplex communication
● Fully programmable characteristics of serial communication including: word length, parity bit,
stop bit and bit order
● Error detection: Parity, overrun, and frame error
● Support Auto hardware flow control mode – RTS, CTS
● IrDA SIR encoder and decoder
● RS485 mode with output enable control
● FIFO Depth: 8 × 9 bits for both receiver and transmitter
▄
Universal Asynchronous Receiver Transmitter – UART
● Asynchronous serial communication operating baud-rate up to (f
● Capability of full duplex communication
● Fully programmable characteristics of serial communication including: word length, parity bit,
stop bit and bit order
● 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
Rev. 1.10
/2) MHz for master mode and (f
PCLK
/16) MHz and synchronous operating rate up to
PCLK
20 of 366
/3) MHz for slave mode
PCLK
/16) MHz
PCLK
November 09, 2018