HT32F52341 LQFP48

توضیحات محصول

Core

32-bit Arm® Cortex®-M0+ processor core
Up to 40MHz operating frequency for HT32F52231/52241 or 48MHz for HT32F52331/52341
0.93 DMIPS/MHz (Dhrystone v2.1)
Single-cycle multiplication
Integrated Nested Vectored Interrupt Controller (NVIC)
24-bit SysTick timer

On-chip Memory

Up to 64 KB on-chip Flash memory for instruction/data and option storage
8 KB on-chip SRAM
Supports multiple boot modes

Clock Control Unit — CKCU

External 4 to 16MHz crystal oscillator
External 32,768 Hz crystal oscillator
Internal 8MHz RC oscillator trimmed to ±2 % accuracy at 3.3V operating voltage and 25°C operating temperature
Internal 32 kHz RC oscillator
Integrated system clock PLL
Independent clock divider and gating bits for peripheral clock sources

Power Management — PWRCU

Single VDD power supply: 2.0V to 3.6V
Integrated 1.5V LDO regulator for CPU core, peripherals and memories power supply
VDD power supply for RTC
Two power domains: VDD, 1.5 V
Four power saving modes: Sleep, Deep-Sleep1, Deep-Sleep2, Power-Down

External Interrupt/Event Controller — EXTI

Up to 16 EXTI lines with configurable trigger source and type
All GPIO pins can be selected as EXTI trigger source
Source trigger type includes high level, low level, negative edge, positive edge, or both edge
Individual interrupt enable, wakeup enable and status bits for each EXTI line
Software interrupt trigger mode for each EXTI line
Integrated deglitch filter for short pulse blocking

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
transfe
Error detection: Parity, overrun, and frame error