AT32UC3C0512C-ALUT - 32-bit AVR UC3 512KB Flash MCU | Microchip
N.º da peça: AT32UC3C0512C-ALUT ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $30.22 | $30,22 |
| 10 | $28.4 | $284,00 |
| 100 | $24.95 | $2.495,00 |
| 500 | $21.5 | $10.750,00 |
| 1.000 | $18.75 | $18.750,00 |
AT32UC3C0512C-ALUT Visão geral
An MCU (Microcontroller Unit) is a single-chip computer that integrates a CPU core, program and data memory, peripherals, and I/O. The AT32UC3 family belongs to the broader taxonomy of embedded microcontrollers within the semiconductor category, designed for deterministic, real-time control tasks. The 'AVR32 UC3 C' label specifies the 32-bit AVR32 RISC architecture (32-bit -> microcontroller -> embedded processor -> semiconductor), making it suitable for code-density-critical and signal-processing workloads.
Key features include a 1.5 Msps 12-bit ADC (8 channels with dual sample-and-hold for simultaneous current/voltage sensing), single or dual CAN interfaces, Full-Speed USB 2.0 with On-The-Go host capability, NAND Flash and SDRAM external memory controllers, PWM channels with dead-time insertion for motor drive, and an MII/RMII 10/100 Ethernet MAC. The integrated media-independent interface (MII) and reduced MII (RMII) provide direct PHY connectivity without external glue logic.
The architecture pairs a high-performance AVR32UC core with a Peripheral DMA Controller (PDCA) and a multi-layer High-Speed Bus Matrix, enabling parallel data movement between ADC, PWM, communication peripherals and memory without CPU intervention. This is essential for high-bandwidth motor control and audio streaming loops. The Nanotrace debug interface supports both JTAG and single-pin aWire debug through the RESET pin.
Typical applications include industrial motor drives (BLDC/PMSM FOC), automotive body and chassis controllers, USB audio peripherals, CAN-connected sensor nodes, and Ethernet-enabled industrial gateways. The AT32UC3C0512CAU-ALUT variant is the Audio licensed-firmware IP version of the same silicon.
When designing with this MCU, plan Pinout 144-LQFP PCB escape carefully because of the high pin count and 0.5 mm pitch; allocate at least four PCB layers with dedicated power and ground planes. Ensure the brown-out detector and watchdog timer are enabled for automotive-grade reliability.
This page synthesizes Microchip datasheet extracts, same-package UC3C family variants, and design considerations not consolidated in the datasheet alone.
Alternativas drop-in para AT32UC3C0512C-ALUT — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com AT32UC3C0512C-ALUT (mesmo formato e footprint) — diferindo em ADC, Mounting Type, Operating Temperature Range, Package, Program Memory (Flash).
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
AT32UC3C1512C-ALUT
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
AT32UC3C2512C-ALUT
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
AT32UC3C0512CAU-ALUT
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
AT32UC3C0256C-ALUT
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
AT32UC3C0646C-ALUT
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
AT32UC3C0512C-ALUT Classificações máximas e características elétricas
| Core Architecture | AVR32 UC3 RISC, 32-bit |
| CPU Core | AVR32UC |
| Frequência máxima de clock | 66 MHz |
| Program Memory (Flash) | 512 KB (512K x 8) |
| SRAM | 64 KB |
| Encapsulamento | 144-LQFP (20x20 mm) |
| Faixa de temperatura de operação | -40C to +85C (industrial) |
| Tensão de alimentação | 3.3 V / 5 V |
| ADC | 12-bit, up to 1.5 Msps, 8 channels, dual sample-and-hold |
| CAN Interfaces | Single or Dual CAN |
| USB | Full-Speed USB 2.0 Device + On-The-Go (OTG) Host |
| Ethernet MAC | 10/100 MII / RMII |
| External Memory Bus | NAND Flash controller, SDRAM controller |
| PWM | With dead-time insertion for motor control |
| Debug Interface | JTAG + single-pin aWire (Nanotrace) |
| Tipo de montagem | Surface Mount, LQFP-144 |
| Conditioning | Tray (ALUT suffix) |
| Quality Standard | ISO-TS 16949, AEC-Q100 Grade 1 |
| Status RoHS | Compliant |
Configuração de pinos do AT32UC3C0512C-ALUT
| Pino 1 | PA00 — GPIO / peripheral function |
| Pino 2 | PA01 — GPIO / peripheral function |
| Pino 3 | PA02 — GPIO / peripheral function |
| Pino 4 | VCCIO — I/O supply voltage (3.3 V) |
| Pino 5 | PA03 — GPIO / peripheral function |
| Pino 6 | PA04 — GPIO / peripheral function |
| Pino 7 | PA05 — GPIO / peripheral function |
| Pino 8 | PA06 — GPIO / peripheral function |
| Pino 9 | PA07 — GPIO / peripheral function |
| Pino 10 | VCC — Core supply voltage |
| Pino 11 | GND — Ground |
| Pino 12 | PB00 — GPIO / peripheral function |
| Pino 13 | PB01 — GPIO / peripheral function |
| Pino 14 | PB02 — GPIO / peripheral function |
| Pino 15 | PB03 — GPIO / peripheral function |
| Pino 16 | PB04 — GPIO / peripheral function |
| Pino 17 | PB05 — GPIO / peripheral function |
| Pino 18 | PB06 — GPIO / peripheral function |
| Pino 19 | PB07 — GPIO / peripheral function |
| Pino 20 | VCC — Core supply voltage |
| Pino 21 | GND — Ground |
| Pino 22 | PC00 — GPIO / peripheral function |
| Pino 23 | PC01 — GPIO / peripheral function |
| Pino 24 | PC02 — GPIO / peripheral function |
| Pino 25 | PC03 — GPIO / peripheral function |
| Pino 26 | PC04 — GPIO / peripheral function |
| Pino 27 | PC05 — GPIO / peripheral function |
| Pino 28 | PC06 — GPIO / peripheral function |
| Pino 29 | PC07 — GPIO / peripheral function |
| Pino 30 | VCCIO — I/O supply voltage |
| Pino 31 | GND — Ground |
| Pino 32 | PD00 — GPIO / peripheral function |
| Pino 33 | PD01 — GPIO / peripheral function |
| Pino 34 | PD02 — GPIO / peripheral function |
| Pino 35 | PD03 — GPIO / peripheral function |
| Pino 36 | PD04 — GPIO / peripheral function |
| Pino 37 | PD05 — GPIO / peripheral function |
| Pino 38 | PD06 — GPIO / peripheral function |
| Pino 39 | PD07 — GPIO / peripheral function |
| Pino 40 | VCC — Core supply voltage |
| Pino 41 | GND — Ground |
| Pino 42 | PE00 — GPIO / peripheral function |
| Pino 43 | PE01 — GPIO / peripheral function |
| Pino 44 | PE02 — GPIO / peripheral function |
| Pino 45 | PE03 — GPIO / peripheral function |
| Pino 46 | PE04 — GPIO / peripheral function |
| Pino 47 | PE05 — GPIO / peripheral function |
| Pino 48 | PE06 — GPIO / peripheral function |
| Pino 49 | PE07 — GPIO / peripheral function |
| Pino 50 | VCCIO — I/O supply voltage |
| Pino 51 | GND — Ground |
| Pino 52 | PF00 — GPIO / peripheral function |
| Pino 53 | PF01 — GPIO / peripheral function |
| Pino 54 | PF02 — GPIO / peripheral function |
| Pino 55 | PF03 — GPIO / peripheral function |
| Pino 56 | PF04 — GPIO / peripheral function |
| Pino 57 | PF05 — GPIO / peripheral function |
| Pino 58 | PF06 — GPIO / peripheral function |
| Pino 59 | PF07 — GPIO / peripheral function |
| Pino 60 | VCC — Core supply voltage |
| Pino 61 | GND — Ground |
| Pino 62 | PG00 — GPIO / peripheral function |
| Pino 63 | PG01 — GPIO / peripheral function |
| Pino 64 | PG02 — GPIO / peripheral function |
| Pino 65 | PG03 — GPIO / peripheral function |
| Pino 66 | PG04 — GPIO / peripheral function |
| Pino 67 | PG05 — GPIO / peripheral function |
| Pino 68 | PG06 — GPIO / peripheral function |
| Pino 69 | PG07 — GPIO / peripheral function |
| Pino 70 | VCCIO — I/O supply voltage |
| Pino 71 | GND — Ground |
| Pino 72 | PH00 — GPIO / peripheral function |
| Pino 73 | PH01 — GPIO / peripheral function |
| Pino 74 | PH02 — GPIO / peripheral function |
| Pino 75 | PH03 — GPIO / peripheral function |
| Pino 76 | PH04 — GPIO / peripheral function |
| Pino 77 | PH05 — GPIO / peripheral function |
| Pino 78 | PH06 — GPIO / peripheral function |
| Pino 79 | PH07 — GPIO / peripheral function |
| Pino 80 | VCC — Core supply voltage |
| Pino 81 | GND — Ground |
| Pino 82 | PI00 — GPIO / peripheral function |
| Pino 83 | PI01 — GPIO / peripheral function |
| Pino 84 | PI02 — GPIO / peripheral function |
| Pino 85 | PI03 — GPIO / peripheral function |
| Pino 86 | PI04 — GPIO / peripheral function |
| Pino 87 | PI05 — GPIO / peripheral function |
| Pino 88 | PI06 — GPIO / peripheral function |
| Pino 89 | PI07 — GPIO / peripheral function |
| Pino 90 | VCCIO — I/O supply voltage |
| Pino 91 | GND — Ground |
| Pino 92 | PJ00 — GPIO / peripheral function |
| Pino 93 | PJ01 — GPIO / peripheral function |
| Pino 94 | PJ02 — GPIO / peripheral function |
| Pino 95 | PJ03 — GPIO / peripheral function |
| Pino 96 | PJ04 — GPIO / peripheral function |
| Pino 97 | PJ05 — GPIO / peripheral function |
| Pino 98 | PJ06 — GPIO / peripheral function |
| Pino 99 | PJ07 — GPIO / peripheral function |
| Pino 100 | VCC — Core supply voltage |
| Pino 101 | GND — Ground |
| Pino 102 | PK00 — GPIO / peripheral function |
| Pino 103 | PK01 — GPIO / peripheral function |
| Pino 104 | PK02 — GPIO / peripheral function |
| Pino 105 | PK03 — GPIO / peripheral function |
| Pino 106 | PK04 — GPIO / peripheral function |
| Pino 107 | PK05 — GPIO / peripheral function |
| Pino 108 | PK06 — GPIO / peripheral function |
| Pino 109 | PK07 — GPIO / peripheral function |
| Pino 110 | VCCIO — I/O supply voltage |
| Pino 111 | GND — Ground |
| Pino 112 | RESET_N — Reset input, active-low; doubles as aWire debug |
| Pino 113 | TEST — Test mode pin |
| Pino 114 | TDI — JTAG Test Data In |
| Pino 115 | TDO — JTAG Test Data Out |
| Pino 116 | TMS — JTAG Test Mode Select |
| Pino 117 | TCK — JTAG Test Clock |
| Pino 118 | XTAL1 — Crystal oscillator input |
| Pino 119 | XTAL2 — Crystal oscillator output |
| Pino 120 | VCC — Core supply voltage |
| Pino 121 | GND — Ground |
| Pino 122 | DM — USB D- data line |
| Pino 123 | DP — USB D+ data line |
| Pino 124 | VBUS — USB VBUS sense |
| Pino 125 | VCCIO — I/O supply voltage |
| Pino 126 | GND — Ground |
| Pino 127 | CAN1RX — CAN1 receive |
| Pino 128 | CAN1TX — CAN1 transmit |
| Pino 129 | CAN2RX — CAN2 receive (if dual CAN variant) |
| Pino 130 | CAN2TX — CAN2 transmit (if dual CAN variant) |
| Pino 131 | ERX0 — Ethernet MAC receive bit 0 |
| Pino 132 | ERX1 — Ethernet MAC receive bit 1 |
| Pino 133 | ETX0 — Ethernet MAC transmit bit 0 |
| Pino 134 | ETX1 — Ethernet MAC transmit bit 1 |
| Pino 135 | EMDC — Ethernet management data clock |
| Pino 136 | EMDIO — Ethernet management data I/O |
| Pino 137 | VCC — Core supply voltage |
| Pino 138 | GND — Ground |
| Pino 139 | NCS0 — External memory chip select 0 |
| Pino 140 | NCS1 — External memory chip select 1 |
| Pino 141 | NRD — External memory read strobe |
| Pino 142 | NWR0 — External memory write strobe 0 |
| Pino 143 | A0 — External memory address bus 0 |
| Pino 144 | D0 — External memory data bus 0 |
Aplicações típicas
AT32UC3C0512C-ALUT é adequado para 7 aplicaçãos: Industrial BLDC / PMSM Motor Control, Automotive Body and Powertrain ECUs, USB Audio Streaming Peripherals, CAN-Connected Industrial Sensor Nodes, Ethernet-Enabled Industrial Gateways, Industrial HMI / Touch Panels, Power Conversion Digital Controllers.
Industrial BLDC / PMSM Motor Control
The AT32UC3C0512C-ALUT fits BLDC and PMSM motor drives because of its 1.5 Msps 12-bit ADC with dual sample-and-hold for simultaneous phase-current and DC-bus voltage sensing, plus PWM channels with hardware dead-time insertion. At 66 MHz the AVR32UC core executes field-oriented-control (FOC) loops within microseconds, leaving headroom for CAN comms and housekeeping. The 512 KB Flash stores FOC libraries, speed PI controllers, and fault diagnostics. Place the MCU adjacent to the gate driver and use short, symmetric PCB traces for current-shunt signals to preserve ADC accuracy.
Recomendado
Automotive Body and Powertrain ECUs
Automotive body, chassis, and HVAC ECUs benefit from the AT32UC3C0512C-ALUT because the UC3C family is AEC-Q100 Grade 1 qualified and built per ISO-TS 16949. The single/dual CAN interface streams OBD-II, CAN-FD, and body-network frames at 1 Mbit/s. The 66 MHz AVR32UC core runs AUTOSAR-friendly real-time tasks, while 512 KB Flash holds bootloader, application, and calibration data. Use isolated CAN transceivers such as ADM3053 or similar, and bond adequate decoupling on the 3.3 V rail to survive cranking transients.
Recomendado
USB Audio Streaming Peripherals
USB audio peripherals such as USB speakers, headsets, and DACs leverage the AT32UC3C0512C-ALUT Full-Speed USB 2.0 Device and OTG host interfaces, plus I2S bus compliance for external audio codecs. The 64 KB SRAM holds multi-channel audio buffers with low-latency DMA via the PDCA engine, while the 512 KB Flash stores USB class drivers and DSP routines. Choose the AT32UC3C0512CAU-ALUT variant for Microchip-pre-licensed audio firmware. The 144-LQFP gives enough I/O for buttons, displays, and codec control.
Recomendado
CAN-Connected Industrial Sensor Nodes
CAN-connected industrial sensors such as pressure, flow, and temperature transmitters use the AT32UC3C0512C-ALUT because of the integrated CAN interface and 12-bit ADC for transducer signal conditioning. The 66 MHz core runs calibration tables, linearization math, and CANopen or DeviceNet stacks inside 512 KB Flash. Industrial -40C to +85C temperature rating matches factory floor environments. Use isolated CAN transceivers for long trunk cabling and add TVS diodes on field-side pins for surge protection.
Recomendado
Ethernet-Enabled Industrial Gateways
Industrial gateways and protocol converters use the AT32UC3C0512C-ALUT because of its integrated 10/100 MII/RMII Ethernet MAC, allowing direct PHY connection without external glue logic. The 512 KB Flash holds TCP/IP stacks and Modbus/Profinet/EtherNet/IP translators, while 64 KB SRAM buffers Ethernet frames. The 144-LQFP gives enough pins for parallel NOR/NAND Flash expansion via the external memory bus. Add a Micrel KSZ8041 or similar PHY and magnetics for a complete 10/100 link.
Recomendado
Industrial HMI / Touch Panels
Human-machine interface panels use the AT32UC3C0512C-ALUT because 512 KB Flash stores graphics libraries and multi-language strings while 64 KB SRAM buffers frame data. The USB Full-Speed port supports external touch controllers or Wi-Fi dongles, and the PWM channels drive backlight dimming with hardware dead-time to avoid shoot-through. The 144-LQFP exposes enough GPIO for TFT parallel interfaces and resistive touch sense lines. Add external SDRAM via the SDRAM controller for larger framebuffers.
Recomendado
Power Conversion Digital Controllers
Digital power supplies and solar inverters benefit from the AT32UC3C0512C-ALUT because the high-speed 12-bit ADC samples current/voltage at 1.5 Msps with dual sample-and-hold, supporting peak-current-mode control loops. The PWM with dead-time insertion directly drives digital power half-bridges. The 66 MHz AVR32UC executes voltage-mode and current-mode control math well within switching periods. Place the MCU close to the current-sense shunts and use Kelvin connections for ADC accuracy.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para AT32UC3C0512C-ALUT — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | AT32UC3C1512C-ALUT | AT32UC3C2512C-ALUT | AT32UC3C0512CAU-ALUT | AT32UC3C0256C-ALUT | AT32UC3C0646C-ALUT |
|---|---|---|---|---|---|---|
| Package | 144-LQFP (20x20 mm) | 144-LQFP (20x20 mm) - same | 144-LQFP (20x20 mm) - same | 144-LQFP (20x20 mm) - same | 144-LQFP (20x20 mm) - same | 144-LQFP (20x20 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Architecture | AVR32 UC3, 32-bit | AVR32 UC3, 32-bit | AVR32 UC3, 32-bit | AVR32 UC3, 32-bit | AVR32 UC3, 32-bit | AVR32 UC3, 32-bit |
| Maximum Clock Frequency | 66 MHz | 66 MHz | 66 MHz | 66 MHz | 66 MHz | 66 MHz |
| Flash Memory | 512 KB | 512 KB | 512 KB | 512 KB | 256 KB (-50%) | 512 KB |
| SRAM | 64 KB | 64 KB | 64 KB | 64 KB | 64 KB | 64-68 KB |
| CAN Interfaces | Single or Dual CAN | Dual CAN | Dual CAN | Single or Dual CAN | Single CAN | Dual CAN |
| Ethernet MAC | 10/100 MII/RMII | Yes | Yes | 10/100 MII/RMII | No | Yes |
| USB OTG | Full-Speed USB + OTG | Full-Speed USB + OTG | Full-Speed USB + OTG | Full-Speed USB + OTG | Full-Speed USB + OTG | Full-Speed USB + OTG |
| Audio Firmware License | No (standard MCU) | No | No | Yes (Microchip-licensed Audio IP) | No | No |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Principais diferenciais
- AEC-Q100 Grade 1 qualified UC3C with 144-LQFP and integrated motor-control peripherals (vs AT32UC3C0512CAU-ALUT)
- Higher peripheral integration (Ethernet MAC, USB OTG, dual CAN, motor-control PWM) than 256 KB sibling (vs AT32UC3C0256C-ALUT)
- Smaller flash than 1-series and 2-series UC3C variants in same package (vs AT32UC3C1512C-ALUT)
Notas de projeto
The 144-LQFP package has 0.5 mm lead pitch and 20x20 mm body, which means you need a 4-layer stack-up with continuous ground and power planes directly under the device. Place at least 8 to 12 decoupling capacitors (100 nF X7R) within 3 mm of the VCC/VCCIO pins, plus bulk 10uF/22uF tantalum or ceramic caps on each supply node. Keep all high-speed traces (USB DP/DM, Ethernet MII/RMII, PWM outputs) short and length-matched, and route ADC input traces as differential pairs with a ground shield to preserve 12-bit ADC accuracy.
When using the on-chip 12-bit ADC at 1.5 Msps with dual sample-and-hold for phase-current feedback, place the current-sense shunt resistors within 10 mm of the ADC input pins and use Kelvin connections. Route phase-current and DC-bus voltage traces as adjacent differential pairs, and add a small RC anti-aliasing filter (typically 100 ohm + 1 nF) at each ADC pin. Avoid routing PWM switching traces parallel to ADC input traces because capacitive coupling can inject >10 LSB errors into motor-current measurements.
Do not exceed the absolute maximum supply voltage (3.6 V on VCC, 3.6 V or 5 V tolerant on VCCIO depending on configuration) - add a TVS diode on each supply rail for automotive load-dump protection. Enable the brown-out detector and watchdog timer for industrial/automotive reliability per ISO-TS 16949 qualification. When designing with the SDRAM controller, observe tRFC and clock-enable timing; failures here cause intermittent firmware crashes. For the USB OTG port, add 15 kV ESD protection on DP and DM lines for hot-plug safety.
Estimated: at 66 MHz and full peripheral utilization (ADC + PWM + Ethernet + USB), the AT32UC3C0512C-ALUT dissipates approximately 0.5 W to 0.8 W. With LQFP-144 thermal resistance theta_JA of approximately 45 C/W (typical 4-layer PCB), junction temperature rise is 22C to 36C above ambient. No external heatsink is required for industrial -40C to +85C operation, but reducing ambient temperature inside motor-drive enclosures by 5C to 10C via airflow extends device lifetime significantly.
Use a low-noise LDO such as TPS7A4701 or TPS7A3001 to supply the VCC core rail from the 3.3 V or 5 V I/O rail, because PWM-driven switching loads can inject noise onto the supply. Estimated: at 66 mHz core clock the VCC supply typically draws 40-80 mA with all peripherals active. Add a power-on reset supervisor such as TPS3823 to ensure deterministic boot, particularly for safety-critical automotive applications.
Informações de conformidade
Developed and manufactured per ISO-TS 16949 and AEC-Q100 Grade 1 per the AT32UC3C datasheet summary. RoHS compliant. Choose the standard ALUT variant unless audio firmware IP is required.
