AT32A403A series is based on ARM® Cortex®-M4 32-bit core operating at a frequency of up to 200 MHz. This device features a single-precision floating point unit (FPU), digital signal processor (DSP), rich peripherals and flexible clock control mechanism. It embeds up to 1 MB Flash memory and 224 KB SRAM, in particularly its zero-wait Flash access overtaking its counterparts in terms of performance.
The device operates in the temperature range of -40¡æ to 105¡æ. Moreover, there are eight sets of UART serial interfaces, two sets of CAN buses and compatible IEEE-802.3 10/100 Mbps Ethernet port controllers available to suit for IoT applications. The USB device applications, without the need of external crystal oscillators, leading to higher reliability and lower cost in terminal products. With powerful on-chip resources, higher integration and cost-effectiveness, the AT32A403A series is considered the preferred choice for applications such as automotive, industrial automation, motor control, IoT and consumer electronics.
Reliability and safety is one of the most important parts of automotive microcontrollers when it comes to ensuring users security in driving vehicles in harsh environments. As ARTERY¡¯s first automotive MCU, AT32A403A (A denotes Automotive) certified with AEC-Q100 Grade2 standard is designed to address a wide variety of applications with demanding safety requirements such as automotive body control, ADAS, car video system and BMS for new energy vehicles. Under AEC-Q100 standard, AT32A403A has successfully passed Accelerated Environment Stress Tests, Accelerated Lifetime Simulation Tests, Package Assembly Integrity Tests, Electrical Verification Tests, among others.
¡¤ Performance
- ARM® Cortex®-M4 with 200 MHz maximum frequency
- Floating point unit (FPU)
- Flash memory access zero wait
- 2.6 V to 3.6 V operating voltage
- I/Os 5 V-tolerant
- Operating temperature -40 to +105¡ãC
¡¤ Memories
- 256 to 1024 KB of Flash instruction/data memory
- Up to 96+128 KB of SRAM
- sLib: configurable part of main Flash set as a library area with code executable but secured, non-readable
¡¤ SPIM
- Up to 16 MB of external SPI Flash memory extension (for both program execution and data storage) with encryption capability.
¡¤ Clock
- PLL (200 MHz output)
- 4 to 25 MHz crystal oscillator
- Internal 48 MHz factory-trimmed RC (-40¡ãC to +105¡ãC)
- With automatic clock calibration (ACC) (accuracy 1% at TA = 25¡ãC, 2.5% at TA = -40 to +105¡ãC)
- 32 kHz oscillator for RTC with calibration
- Internal 40 kHz RC with calibration
¡¤ Reset and supply management
- Sleep, Stop and Standby modes
- Power-on/Low-voltage reset (POR/LVR)
- Programmable voltage monitor (PVM)
- Vʙᴀᴛ supply for RTC and 42 x 16-bit backup registers
¡¤ Analog high-performance peripherals
- 3 x 12-bit, 0.5 ¦Ìs A/D converters (up to 16 channels)
- 2 x 12-bit D/A converters
¡¤ Timers
- Up to 2 x 16-bit, motor control PWM advanced timers with dead-time generation
- Up to 2 x 32-bit timers + 8x 16-bit timers
- 2 x watchdog timers (Independent and Window)
- 2 x 16-bit basic timers to drive the DAC
- SysTick timer: a 24-bit downcounter
¡¤ Peripheral interfaces
- Up to 3 x I²C interfaces (SMBus/PMBus)
- Up to 4 x SPIs (50 Mbit/s), all with I2S interface multiplexed, I2S2/I2S3 support full-duplex
- 4 x USART + 4 x UART (ISO7816 interface, LIN, IrDA capability, modem control)
- Up to 2 x SDIO interfaces
- USB 2.0 full-speed interface supporting crystal-less
- Up to 2 x CAN interfaces (2.0B Active)
- 10/100M Ethernet MAC with dedicated DMA and SRAM (4 KB): IEEE1588 hardware support, MII/RMII available
¡¤ DMA
- 14 channels, support timers, ADCs, DACs, SDIOs, I²S, SPIs, I²Cs and USARTs
¡¤ Up to 80 fast I/O
- 37/51/80 multi-functional bi-directional I/Os, all mappable on 16 external interrupt vectors and almost all 5 V-tolerant
- All fast I/Os, control registers accessible with fᴀʜʙ speed
¡¤ XMC
- Supports Compact Flash, SRAM, PSRAM, NOR and NAND memories
- Supports LCD parallel interface, 8080/6800 modes
¡¤ Packages
- QFN48 6 x 6 mm
- LQFP48 7 x 7 mm
- LQFP64 10 x 10 mm
- LQFP100 14 x 14 mm