characteristic

• Core: ARM with FPU ® 32-bit Cortex ®- M4

CPU, realizing zero wait state operation in Flash memory

Adaptive real-time accelerator for performance (ART accelerator ™)、

The main frequency is up to 180MHz, and MPU can achieve up to

225DMIPS/1.25DMIPS/MHz (Dhrystone 2.1)

With DSP instruction set.

• Memory

– Up to 2 MB Flash, organized into two zones, read/write synchronization

– Up to 256+4 KB SRAM, including 64 KB CCM

(Kernel coupled memory) Data RAM

– Flexible external storage control with up to 32-bit data bus

Devices: SRAM, PSRAM, SDRAM/LPSDR

SDRAM, Compact Flash/NOR/NAND memory

• LCD parallel interface, compatible with 8080/6800 mode

• The LCD-TFT controller has a resolution up to XGA, and has a special

Chrome ART Accelerator used ™， Graph for enhancement

Shape Content Creation (DMA2D)

• Clock, reset and power management

– 1.7 V to 3.6 V power supply and I/O

– POR, PDR, PVD and BOR

– 4 to 26 MHz crystal oscillator

– Built in factory calibrated 16 MHz RC oscillator

(1% accuracy)

– 32 kHz RTC oscillator with calibration

– Built in 32 kHz RC oscillator with calibration

• Low power consumption

– Sleep, shutdown and standby modes

– VBAT can be RTC, 20 × 32-bit backup register+optional

4 KB backup SRAM power supply for

• Three 12 bit, 2.4 MSPS ADC: up to 24 channels, triple

Up to 7.2 MSPS in cross mode

• 2 x 12 bit D/A converters

• General DMA: 16 channel DMA control with FIFO and burst support

Brake

• Up to 17 timers: 12 16 bit timers, and 2 frequencies

Up to 180 MHz 32-bit timer, each timer

With 4 input capture/output comparison/PWM, or pulse meter

Counter and quadrature (incremental) encoder input

• Commissioning mode

– SWD&JTAG interface

– Cortex-M4 tracking macro cell ™

• Up to 168 interrupt capable I/O ports

– Up to 164 fast I/Os, up to 90 MHz

– Up to 166 I/Os that can withstand 5 V

• Up to 21 communication interfaces

– Up to 3 I2C interfaces (SMBus/PMBus)

– Up to 4 USART/4 UART (11.25 Mbit/s

ISO7816 interface, LIN, IrDA, modem control)

– Up to 6 SPIs (45 Mbits/s), 2 with multiplexing

Full Duplex I for

2S, via internal audio PLL or external clock

Achieve audio level accuracy

– 1 SAI (Serial Audio Interface)

– 2 CAN (2.0B active) and SDIO interfaces

• Advanced connectivity

– USB 2.0 full speed device/host/OTG with on-chip PHY

controller

– With dedicated DMA, on-chip full speed PHY and ULPI

USB 2.0 high-speed/full speed device/host/OTG controller

– 10/100 Ethernet MAC with dedicated DMA: Supported

IEEE 1588v2 Hardware, MII/RMII

• 8-14 bit parallel camera interface: speed up to 54MB/s

• True random number generator

• CRC computing unit

• RTC: Sub second precision, hardware calendar

• 96 digit unique ID

explain

STM32F427xx and STM32F429xx devices are based on high-performance ARM ® Cortex ®- M4 32-bit RISC kernel

Operating frequency up to 180 MHz. Cortex-M4 core with single precision floating point unit (FPU), supporting all ARM ® single

Precision data processing instructions and data types. It also has a set of DSP instructions and a memory protection to improve application security

Unit (MPU).

STM32F427xx and STM32F429xx devices integrate high-speed embedded memory (Flash memory and SRAM capacity

Up to 2M bytes and 256K bytes respectively) and up to 4K bytes of backup SRAM, as well as a large number of SRAM connected to two APBs

Line, 2 AHB buses and 1 32-bit multi AHB bus matrix for enhanced I/O and peripherals.

All models have 3 12 bit ADC, 2 DAC, 1 low power RTC, 12 universal 16 bit timers (package

Including 2 PWM timers for motor control), 2 general-purpose 32-bit timers.

They also have standard and advanced communication interfaces.

• Up to three I's

2C

• Six SPIs, two I's

2S full duplex. To achieve audio level accuracy, I

2S peripherals can be provided through dedicated internal audio PLL

Clock, or use an external clock for synchronization.

• Four USARTs and four UARTs

• One USB OTG full speed and one USB OTG high-speed (with ULPI) with full speed capability,

• Two CAN

• One SAI serial audio interface

• One SDIO/MMC interface

• Ethernet and camera interfaces

• LCD TFT display controller

• Chrome ART accelerator ™。

Advanced peripherals include an SDIO, a flexible memory control (FMC) interface, and a camera for CMOS sensors

Image head interface. For a complete list of peripherals available for each product number, refer to Table 2: STM32F427xx and

STM32F429xx features and number of peripherals.

The operating temperature range of STM32F427xx and STM32F429xx devices is - 40~+105 ° C, and the supply voltage range is

1.7~3.6 V。

If an external power supply monitor is used, the supply voltage can be as low as 1.7 V (refer to Chapter 3.17.2: Internal Reset OFF).

This series provides a comprehensive set of energy-saving modes, which can realize low power consumption application design.

The STM32F427xx and STM32F429xx devices have 8 packages, ranging from 100 pins to 216 pins. Included

Peripherals vary depending on the device selected.

These characteristics make STM32F427xx and STM32F429xx microcontrollers suitable for a wide range of applications: • motor drive and application control • medical equipment • industrial applications: PLC, inverter, circuit breaker • printer, scanner • alarm system, video phone, HVAC • home audio equipment