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N32A455 Series MCU
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Product Features
N32A455 Series MCU: High-Performance Automotive-Grade Microcontroller
The N32A455 series is a robust 32-bit microcontroller leveraging the ARM Cortex-M4F core, capable of operating at a maximum frequency of 144 MHz. It supports advanced floating-point operations and DSP instructions, making it ideal for computation-intensive applications. Key features include:
- Memory: Up to 512 KB of embedded Flash and 144 KB of SRAM.
- Analog Performance: Four 12-bit 4.7 Msps ADCs, four independent rail-to-rail operational amplifiers, seven high-speed comparators, and two 1 Msps 12-bit DACs.
- Communication Interfaces: U(S)ART, I2C, SPI, QSPI, CAN, and SDIO.
- Security: Integrated cryptographic algorithm hardware acceleration engine.
- Certification: Compliant with AEC-Q100 automotive standards.
Part Descriptions
Main Features of N32A455 Series MCU
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Powerful Core Performance
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Arm® Cortex®-M4F @144MHz, delivering 180 DMIPS with 8 KB instruction cache and zero-wait execution using a flash acceleration unit.
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Encrypted Memory with High Reliability
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Up to 512 KB encrypted eFlash with ECC check, partition management, and 10-year data retention.
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Up to 144 KB SRAM with hardware parity check.
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Advanced Analog Interfaces
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Four 12-bit 4.7 Msps ADCs with up to 38 external channels.
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Four rail-to-rail operational amplifiers with programmable gain (up to 32x).
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Seven high-speed comparators with adjustable reference and two 12-bit 1 Msps DACs.
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Flexible Clock Sources
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Supports internal RC or external crystal clock input.
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Comprehensive Reset and GPIO Support
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Power-on, power-off, undervoltage, external pin, and dual watchdog reset.
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Up to 80 GPIOs for versatile applications.
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Rich Communication Interfaces
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Seven serial ports, including USART (ISO7816, IrDA, LIN) and UART interfaces.
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SPI (with I2S), QSPI, I2C (master/slave), SDIO, and two CAN 2.0A/B interfaces.
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High-Precision Timing and Counters
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Advanced 16-bit timers, general-purpose timers, SysTick, and watchdogs with high control precision.
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Integrated Real-Time Clock (RTC)
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Built-in calibratable RTC with leap year support, alarms, and periodic wake-up.
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Enhanced Security Features
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Cryptographic acceleration for AES, DES/3DES, SHA, and TRNG.
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Flash encryption, tamper detection, and secure program download.
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Automotive-Grade Reliability
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Wide operating range: 1.8V to 3.6V, -40°C to 125°C.
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±4kV ESD (HBM) and AEC-Q100-G2 certified.
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Applications of N32A455 Series MCU
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Air-conditioning system, door and window control, automotive lighting, motor control, instrument assistance, radar, etc.