Product Introduction

The PY32F403 series microcontrollers are high performance 32-bit ARM® Cortex®-M4F core MCUs withup to 384 KB Flash and 64 KB SRAM memory and a maximum operating frequency of 144 MHz. MultipleI2C, SPI and USART communication peripherals, 3 x 12-bit ADCs, 17 timers, 1 x USB 2.0 and 1 x CANFDare integrated.The PY32F403 series microcontrollers are available in the operating temperature range of - 40 °C to 85 °Cand the operating voltage range of 1.8 V to 3.6 V. The chips provide Sleep, Stop and Standby low powermodes to meet different low power applications.The PY32F403 series microcontrollers are suitable for a wide range of applications such as controllers,handheld devices, PC peripherals, gaming and GPS platforms, industrial applications, etc.

Features：

 Cores and Systems

- 32-bit ARM® Cortex-M4F processor core withFPU and DSP instruction support

- Typical operating frequency up to 144 MHz

 Memory

- Up to 384 KB of flash program memory

- Up to 64 KB of SRAM

 Clock, reset and power management- 1.8 V ∼ 3.6 V supply

- Power-on/power-off reset (POR/PDR),programmable voltage monitor (PVD)

- External 4 ∼ 32 MHz high-speed crystaloscillator

- Built-in factory-tuned 8 MHz high-speedoscillator

- PLL supports CPU operation at up to 144 MHz

- External 32.768 kHz low-speed oscillator

 Low power consumption

- Sleep, shutdown and standby modes

- VBAT to power RTC and back-up registers

 3 x 12-bit analogue-to-digital converters, 1 µsconversion time (up to 18 input channels)

- Conversion range: 0 ∼ VCCA

- Support for sample time and resolutionconfiguration

- Supports single, continuous, sweep anddiscontinuous conversion modes

- On-chip temperature sensor

- On-chip voltage sensor

 2 x 12-bit digital-to-analog converters

- Output range: 0 ∼ VREF+

- Independent output channels

- Support Timer, EXTI triggering

 12 - channel DMA controller

- Supported peripherals: Timer, ADC, UART, I2C,I2S, SPI, SDIO

 Up to 80 fast I/O ports:

- All I/O ports can be imaged to 16 externalinterrupts

- Some ports support 5 V input

 Debug modes

- Serial single wire debug (SWD) or JTAGinterface

 Up to 17 timers- 2 x 16-bit advanced control timers with 4channels of PWM outputs, as well as deadbandgeneration and emergency stop functions

- 10 16-bit general purpose timers with up to 4independent channels for input capture/outputcomparison, the general purpose timers alsosupport an encoder interface for two inputs usinga quadrature decoder

- 2 x 16-bit basic timers

- 2 watchdog timers (standalone and windowed)

- System time timer: 24-bit self-subtractingcounter

 Up to 13 communication interfaces

- 5 UART interfaces

- 2 I²C interfaces- 3 SPI interfaces

- 1 ESMC interface

- 1 CANFD interface

- 1 USB interface

- 1 SDIO interface

 96-bit unique chip ID (UID)

 In LQFP100, LQFP64, LQFP48, QFN48,QFN32(4*4) packages