AT32F403ARCT7
Microcontrollers
Technical Specifications
| Type | Description |
|---|---|
| Core Processor | ARM Cortex-M4F |
| Core Bits | 32 |
| Maximum Clock Speed | 240 MHz |
| Flash Memory | 256 KB |
| Number of I/O | 51 |
| Flash Type | FLASH |
| Type | Description |
|---|---|
| Oscillator Type | Built-in+External |
| Eeprom Bytes | - |
| Operating Temp | -40°C ~ +105°C |
| Working Voltage V | 3.1 V |
| Package / Case | LQFP-64 |
Product Introduction
ARM 32-bit Cortex-M4F MCU + FPU, with 256 KB to 1024 KB internal Flash, sLib, USB, 17 timers, 3 ADCs, 20 communication interfaces
Features
- ARM 32-bit Cortex-M4F CPU with FPU
- Up to 240 MHz operating frequency with MPU, single-cycle multiplication and hardware division
- Built-in FPU with DSP instruction set
- 256 KB to 1024 KB internal Flash program/data memory
- sLib: designates a specified main memory region as a secure execute-only code library — code in this region can be called but not read
- SPIM interface: additional external SPI Flash program/data memory interface up to 16 MB
- Up to 96 + 128 KB SRAM
- XMC with 2 chip selects, supporting NOR/PSRAM and NAND memory with multiplexed signals
- Parallel LCD interface, compatible with 8080/6800 modes
- 2.6 to 3.6 V supply and I/O pins
- POR/PDR, PVD
- 4 to 25 MHz crystal oscillator
- Built-in factory-trimmed 48 MHz RC oscillator (1% accuracy at 25°C, 2.5% accuracy over -40°C to +105°C) with ACC
- Built-in calibrated 40 kHz RC oscillator
- 32 kHz crystal oscillator with calibration
- Sleep, stop and standby modes
- VBAT supply for RTC and 42 × 16-bit backup registers
- 3 × 12-bit ADCs, 0.5 μs conversion time (up to 16 input channels)
- Conversion range: 0 to 3.6 V
- Triple sample-and-hold
- Temperature sensor
- 2 × 12-bit DACs
- 14-channel DMA controller
- Supported peripherals: timers, ADC, DAC, SDIO, I2S, SPI, I2C and USART
- SWD and JTAG interfaces
- Cortex-M4F embedded trace module (ETM)
- 37/51/80 multifunctional bidirectional I/O pins; all I/Os mappable to 16 external interrupts; almost all I/Os 5V-tolerant
- All I/Os are fast I/Os with register access up to fAHB
- Up to 8 × 16-bit timers + 2 × 32-bit timers, each with up to 4 channels for input capture/output compare/PWM or pulse counting, and incremental encoder input
- Up to 2 × 16-bit advanced PWM timers with dead-time control and emergency brake for motor control
- 2 watchdog timers (independent and windowed)
- SysTick timer: 24-bit down counter
- 2 × 16-bit basic timers for DAC driving
- Up to 3 × I2C interfaces (SMBus/PMBus support)
- Up to 8 × USART interfaces (ISO7816, LIN, IrDA and modem control support)
- Up to 4 × SPI interfaces (50 Mbit/s), all 4 multiplexable as I2S; I2S2/I2S3 support full-duplex
- Up to 2 × CAN interfaces (2.0B Active)
- USB 2.0 full-speed device interface, crystal-less support
- Up to 2 × SDIO interfaces
Datasheet
Alternative Parts
Common AT32F403ARCT7 alternatives overseas buyers search for:
Compliance & Export Codes
| Type | Details |
|---|---|
| CNHTS | 8542319090 |
Sourcing Information
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