Introduction: 

PY32M070-C series microcontrollers feature a high-performance 32-bit ARM® Cortex®-M0+ core, wide voltage range MCUs, embedded with up to 128 KB of Flash and 16 KB of SRAM memory, and operating at up to 72 MHz. A wide range of products are available in a variety of package types. The PY32M070-C series microcontrollers have a wide operating temperature range of -40 to 105 °C and an operating voltage range of 2.0 to 5.5 V. The devices offer sleep and stop low-power modes to meet different low-power requirements. The PY32M070-C series microcontrollers are suitable for a wide range of applications such as controllers, handheld devices, PC peripherals, gaming and GPS platforms, industrial applications, etc. The PY32M070-C series microcontrollers are designed to meet the needs of a wide range of low-power applications.

Features: 

 core 

- 32-bit ARM® Cortex® - M0+ 

- up to 72 MHz operating frequency 

 memory 

- up to 128 KB Flash memory

- Up to 16 KB SRAM 

 Clock System 

- Internal High Speed Clock (HSI) 4/8/16/22.12/24 MHz 

- Internal Low Speed Clock (LSI) 32.768 kHz 

- External High Speed Crystal (HSE) 4 ~ 32 MHz (PF0) 

- External Low Speed Crystal (LSE) 32.768 kHz (PC14) 

- PLL supports 2x and 3x frequency for HSE/HSI 

 Power Management and Reset 

- Operating voltage: 2.0 ~ 5.5 V 

- Low power modes: Sleep and Stop 

- Power On/Power Off Reset (POR/PDR) 

- Brown-out Reset (BOR) 

- Programmable Voltage Detection (PVD)

 General Purpose Inputs and Outputs (I/Os) 

- Up to 28 I/Os, all available as external interrupts 

 7-channel DMA controller 

 1 x 12-bit ADC 

- Supports up to 11 external input channels

- Input voltage conversion range: 0 ~ VCCA 

 2 x 12-bit DAC, supports 2 channels 

 Supports 3 comparators 

 2 operational amplifiers 

  Timer 

- 1 x 16-bit Advanced Control Timer (TIM1) 

- 1 x 32-bit General Purpose Timer (TIM2) 

- 5 x 16-bit General Purpose Timers (TIM3/14/15/16/17) 

- 2 x Basic Timers (TIM6/TIM7) 

- 1 x Low Power Timer (LPTIM) to support wake-up from low power mode 

- 1 Independent Watchdog Timer (IWDG) 

- 1 Window Watchdog Timer (WWDG) 

- 1 SysTick Timer 

 RTC

 Communication Interfaces 

- up to 2 Serial Peripheral Interfaces (SPI) with I2S 

- up to 4 Universal Synchronous/Asynchronous Transceivers (USART) with automatic Baud Rate Detection, 2 of them support ISO7816, LIN, IrDA.

- Up to 2 I2C interfaces, supports standard mode (100 kHz), fast mode (400 kHz), 7-bit/10-bit addressing modes, one of them supports SMBus/PMBus 

 Hardware CRC - 32 Module 

 Hardware 32-bit Divider (DIV)

 The only UID 

 Serial Debug (SWD) 

 Operating Temperature: - 40 ~ 105 °C 

 Packages: QFN32, SSOP24, QFN24