Introduction：

The PY32F032 microcontrollers feature the high-performance ARM® 32-bit Cortex®-M0+ core operating atup to 72 MHz frequency, It is embedded with up to 64 KB Flash and 8 KB SRAM memoryand available inmultiple package options. The PY32F032 integrates multi-channel I2C, SPI, USART, LPUART and othercommunication peripherals, one 12-bit ADC, five 16-bit timers, two comparators and two operationalamplifiers or programmable gain amplifiers.The PY32F032 microcontrollers operates across a temperature range of -40 to 105°C and a standardvoltage range of 1.7 to 5.5 V, and provides Sleep, Stop, Low-power run and Low-power sleep modes, whichcan meet different low-power applications.These features make the PY32F032 microcontrollers suitable for a wide range of applications such ascontrollers, portable devices, PC peripherals, gaming and GPS platforms, as well as industrial applications.

Features：

 Core

— ARM® 32-bit Cortex®-M0+

— Frequency up to 72 MHz

 Memories

— Maximum 64 KB Flash memory

— 8 KB SRAM

 Clock management

— 8 MHz high-speed internal RC oscillator(HSI)

— 32.768 kHz low-speed internal RC oscillator(LSI)

— 4 to 32 MHz high-speed external crystal oscillator (HSE)

— 32.768 kHz Low-speed external crystal oscillator (LSE)

— External clock input

— PLL (supports 2 to 18 multiplication of HSI or HSE)

 Power management and reset

— Operating voltage: 1.7 to 5.5 V

— Low power mode: Sleep/Stop/Low-power run/Lower-power sleep

— Power-on/power-down reset (POR/PDR)

— Brown-out reset (BOR)

— Programmable voltage detector (PVD)

 General-purpose input and output (I/O)

— Up to 30 I/Os, all available as external interrupts

— All IOs support 50 mA sink current (5 V tolerant)

— 4 GPIOs supporting high sink current (configurable as 80mA/60mA/40mA/20mA) for driving common-cathode LED digital tubes

— All I/Os support LCD 1/2 Bias output function

 1 x 12-bit ADC

— Up to 10 external channels and 5 internalchannels

— Support injection mode

— Input voltage conversion range: 0 to VCC

— — Internal voltage 1.024 V/1.5 V/2.048 V

 Timers

— 1 x 16-bit advanced-control timer (TIM1)supporting 144MHz counting

— 4 x 16-bit general-purposed timers(TIM3/TIM14/TIM16/TIM17), where TIM17supports 144MHz counting

— 1 x low power timer (LPTIM) with 16-bit/32-bit counting and wake-up from low powermode

— 1 x independent watchdog timer (IWDG)

— 1 x window watchdog timer (WWDG)

— 1 x SysTick timer

 RTC

 3-channel DMA controller

 Communication interfaces

— 2 x serial peripheral interface(SPI), 1 withI2S interface multiplexed

— 1 x I2C interface, supporting Standard mode(100 kHz), Fast mode (400 kHz) and Fastmode plus (1 MHz)

— 1 x universal synchronous/asynchronousresceiver transmitter (USART) withautomatic baud rate detection and LINcapability

— 1 x universal asynchronousreceiver/transmitter (UART)

— 1 x low-power universal asynchronousreceiver/transmitter (LPUART)

 Hardware CRC-32 module

 2 x comparators

 2 x operational amplifier/programmable gainamplifier

 Unique UID

 Serial wire debug (SWD)

 Operating temperature -40 to 105 °C

 Packages: LQFP32,QFN32 and QFN20