The Holtek HT32F50343 device is a high performance, low power consumption 32-bit microcontroller based around an Arm® Cortex®-M0+ processor core. The Cortex®-M0+ is a nextgeneration processor core which is tightly coupled with Nested Vectored Interrupt Controller (NVIC), SysTick timer, and including advanced debug support.

The device operates at a frequency of up to 60 MHz with a Flash accelerator to obtain maximum efficiency. It provides 64 KB of embedded Flash memory for code/data storage and 12 KB of embedded SRAM memory for system operation and application program usage. A variety of peripherals, such as Hardware Divider DIV, PDMA, ADC, I2C, UART, SPI, SLED, GPTM, PWM, SCTM, BFTM, CRC-16/32, RTC, WDT, USB2.0, SW-DP (Serial Wire Debug Port), etc., are also implemented in the device. Several power saving modes provide the flexibility for maximum optimization between wakeup latency and power consumption, an especially important consideration in low power applications.

The above features ensure that the device is suitable for use in a wide range of applications, especially in areas such as gaming application controllers, keyboards and mice, consumer products, handheld equipment, LED lighting applications and so on.

Features:

• Core : 32-bit Arm® Cortex®-M0+
• Operating frequency : Up to 60 MHz
• Flexible power supply
• VDD power supply : 2.5 V ~ 5.5 V
• VDDIO : 1.8 V ~ 5.5 V
• High performance, low power
• Three power saving modes : Sleep, Deep-Sleep1, Deep-Sleep2

Specification:

• max. frequency: 60 MHz
• VDD: 2.5 ~ 5.5V
• flash: 64 KB
• SRAM: 12 KB
• PDMA: 6 CH
• ADC: 1Msps, 12-bit x12
• timer: BFTMx2, SCTMx2, 8-PWMx3, GPTMx1
• interface: UARTx2, SPIx2, I2Cx2, SLEDx2
• others: CRC, DIV
• I/O: 51
• package: QFN46