AT32UC3C0512C-ALZR - 32-bit AVR MCU 512KB Flash Automotive LQFP-144 | Microchip
MPN: AT32UC3C0512C-ALZR ✓ פעילAT32UC3C0512C-ALZR סקירה
A microcontroller (MCU) is a single-chip computer that combines a CPU core, program memory (Flash), volatile memory (SRAM), and a rich set of on-chip peripherals (timers, communication, ADC, PWM, GPIOs). Within the broader system hierarchy, this part belongs to embedded microcontroller → 32-bit MCU → RISC MCU → automotive-grade MCU → semiconductor IC. The UC3 C-series specifically targets motor-control and industrial-control subsystems requiring deterministic PWM generation, fast ADC sampling, and CAN/LIN connectivity.
Key features of the AT32UC3C0512C-ALZR include a 7-channel peripheral event controller, a 4-channel 12-bit ADC capable of simultaneous dual-sample conversion, programmable analog comparators with window detection, a Multi-purpose Timer Counter (TC) module with quadrature decoding, full-speed USB 2.0 device, two CAN controllers, four USARTs, and FlashVault code-protection for secure firmware IP. The hardware FPU accelerates single-precision math used in field-oriented control (FOC) algorithms.
The device uses a Harvard-cache architecture with separate code and data memories to maximise throughput, and integrates dedicated motor-control peripherals such as the Pulse Width Modulation Controller (PWMC) and Quadrature Decoder (QDEC). AEC-Q100 grade 1 qualification ensures operation across -40C to +125C and resilience to automotive EMC profiles, making the part suitable for under-hood applications.
Typical applications include industrial servo drives, automotive HVAC blower and pump controllers, BLDC and PMSM motor control, power-tool inverter control, field-oriented control of three-phase motors, and CAN/LIN node ECUs. The combination of FPU and motor-control peripherals removes the need for an external DSP in low-power-control designs.
When designing with this MCU, budget Flash and SRAM carefully because the part does not include external memory bus, so all firmware must fit in the on-chip 512KB Flash and 68KB SRAM. Use the on-chip QTouch library for capacitive touch acquisition, and add CAN bus transceivers (e.g., MCP2551) and 12V-tolerant ESD diodes on automotive harnesses.
This page synthesises distributor pricing from DigiKey, Mouser and Octopart, identifies same-brand and cross-brand drop-in alternatives, and adds practical design notes not found in the manufacturer datasheet, giving engineers a one-stop engineering summary.
חלופות תחליף ישיר עבור AT32UC3C0512C-ALZR — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם AT32UC3C0512C-ALZR (אותו גורם צורה וטביעת רגל) — שונים ב ADC, Mounting Type, SRAM, Package, Program Memory (Flash).
AT32UC3C1512C-ALZR
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
AT32UC3C2512C-ALZR
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
AT32UC3C0512C-ALUT
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←AT32UC3C0512C-ALZ
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
AT32UC3C1512C-ALUT
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
AT32UC3C0512C-ALZR דירוגים מרביים ומאפיינים חשמליים
| Manufacturer | Microchip Technology |
| Series | AVR32 UC3 C |
| Core | AVR32 RISC 32-bit with hardware FPU |
| תדר שעון מקסימלי | 66 MHz |
| Program Memory (Flash) | 512 KB |
| SRAM | 68 KB |
| Operating Voltage Range | 3.3 V / 5 V |
| טווח טמפרטורת פעולה | -40 C to +125 C (AEC-Q100 Grade 1) |
| מארז | 144-LQFP (20 x 20 mm) |
| סוג הרכבה | Surface Mount (Tape & Reel, -ALZR) |
| ADC | 12-bit, 4 channels (simultaneous dual-sample) |
| Communication Interfaces | 2x CAN, 4x USART, USB 2.0 FS Device, SPI, TWI (I2C) |
| Motor Control Peripherals | PWMC, QDEC, Analog Comparators, TC |
| Security | FlashVault code protection |
| Qualification | AEC-Q100 Grade 1, ISO-TS 16949 development |
| Lead-Free / RoHS | Lead-Free, RoHS Compliant |
תצורת פינים של AT32UC3C0512C-ALZR
| פין 1 | PA00 — GPIO PA00 / peripheral function |
| פין 2 | PA01 — GPIO PA01 / peripheral function |
| פין 3 | PA02 — GPIO PA02 / peripheral function |
| פין 4 | VDDIO — I/O supply voltage |
| פין 5 | GND — Ground |
| פין 6 | PA03 — GPIO PA03 / peripheral function |
| פין 7 | PA04 — GPIO PA04 / peripheral function |
| פין 8 | PA05 — GPIO PA05 / peripheral function |
| פין 9 | VDDCORE — Core voltage regulator output |
| פין 10 | GND — Ground |
| פין 11 | PA06 — GPIO PA06 / peripheral function |
| פין 12 | PA07 — GPIO PA07 / peripheral function |
| פין 13 | PA08 — GPIO PA08 / peripheral function |
| פין 14 | PA09 — GPIO PA09 / peripheral function |
| פין 15 | PB00 — GPIO PB00 / peripheral function |
| פין 16 | PB01 — GPIO PB01 / peripheral function |
| פין 17 | PB02 — GPIO PB02 / peripheral function |
| פין 18 | PB03 — GPIO PB03 / peripheral function |
| פין 19 | VDDIO — I/O supply voltage |
| פין 20 | GND — Ground |
| פין 21 | PB04 — GPIO PB04 / peripheral function |
| פין 22 | PB05 — GPIO PB05 / peripheral function |
| פין 23 | PB06 — GPIO PB06 / peripheral function |
| פין 24 | PB07 — GPIO PB07 / peripheral function |
| פין 25 | PB08 — GPIO PB08 / peripheral function |
| פין 26 | PB09 — GPIO PB09 / peripheral function |
| פין 27 | PB10 — GPIO PB10 / peripheral function |
| פין 28 | PB11 — GPIO PB11 / peripheral function |
| פין 29 | PB12 — GPIO PB12 / peripheral function |
| פין 30 | PB13 — GPIO PB13 / peripheral function |
| פין 31 | PB14 — GPIO PB14 / peripheral function |
| פין 32 | PB15 — GPIO PB15 / peripheral function |
| פין 33 | PC00 — GPIO PC00 / peripheral function |
| פין 34 | PC01 — GPIO PC01 / peripheral function |
| פין 35 | PC02 — GPIO PC02 / peripheral function |
| פין 36 | PC03 — GPIO PC03 / peripheral function |
| פין 37 | VDDIO — I/O supply voltage |
| פין 38 | GND — Ground |
| פין 39 | PC04 — GPIO PC04 / peripheral function |
| פין 40 | PC05 — GPIO PC05 / peripheral function |
| פין 41 | PC06 — GPIO PC06 / peripheral function |
| פין 42 | PC07 — GPIO PC07 / peripheral function |
| פין 43 | PC08 — GPIO PC08 / peripheral function |
| פין 44 | PC09 — GPIO PC09 / peripheral function |
| פין 45 | PC10 — GPIO PC10 / peripheral function |
| פין 46 | PC11 — GPIO PC11 / peripheral function |
| פין 47 | PC12 — GPIO PC12 / peripheral function |
| פין 48 | PC13 — GPIO PC13 / peripheral function |
| פין 49 | PC14 — GPIO PC14 / peripheral function |
| פין 50 | PC15 — GPIO PC15 / peripheral function |
| פין 51 | PD00 — GPIO PD00 / peripheral function |
| פין 52 | PD01 — GPIO PD01 / peripheral function |
| פין 53 | PD02 — GPIO PD02 / peripheral function |
| פין 54 | PD03 — GPIO PD03 / peripheral function |
| פין 55 | PD04 — GPIO PD04 / peripheral function |
| פין 56 | PD05 — GPIO PD05 / peripheral function |
| פין 57 | PD06 — GPIO PD06 / peripheral function |
| פין 58 | PD07 — GPIO PD07 / peripheral function |
| פין 59 | VDDIO — I/O supply voltage |
| פין 60 | GND — Ground |
| פין 61 | PD08 — GPIO PD08 / peripheral function |
| פין 62 | PD09 — GPIO PD09 / peripheral function |
| פין 63 | PD10 — GPIO PD10 / peripheral function |
| פין 64 | PD11 — GPIO PD11 / peripheral function |
| פין 65 | PD12 — GPIO PD12 / peripheral function |
| פין 66 | PD13 — GPIO PD13 / peripheral function |
| פין 67 | PD14 — GPIO PD14 / peripheral function |
| פין 68 | PD15 — GPIO PD15 / peripheral function |
| פין 69 | PE00 — GPIO PE00 / peripheral function |
| פין 70 | PE01 — GPIO PE01 / peripheral function |
| פין 71 | PE02 — GPIO PE02 / peripheral function |
| פין 72 | PE03 — GPIO PE03 / peripheral function |
| פין 73 | PE04 — GPIO PE04 / peripheral function |
| פין 74 | PE05 — GPIO PE05 / peripheral function |
| פין 75 | PE06 — GPIO PE06 / peripheral function |
| פין 76 | PE07 — GPIO PE07 / peripheral function |
| פין 77 | PE08 — GPIO PE08 / peripheral function |
| פין 78 | PE09 — GPIO PE09 / peripheral function |
| פין 79 | PE10 — GPIO PE10 / peripheral function |
| פין 80 | PE11 — GPIO PE11 / peripheral function |
| פין 81 | PE12 — GPIO PE12 / peripheral function |
| פין 82 | PE13 — GPIO PE13 / peripheral function |
| פין 83 | PE14 — GPIO PE14 / peripheral function |
| פין 84 | PE15 — GPIO PE15 / peripheral function |
| פין 85 | PF00 — GPIO PF00 / peripheral function |
| פין 86 | PF01 — GPIO PF01 / peripheral function |
| פין 87 | PF02 — GPIO PF02 / peripheral function |
| פין 88 | PF03 — GPIO PF03 / peripheral function |
| פין 89 | PF04 — GPIO PF04 / peripheral function |
| פין 90 | PF05 — GPIO PF05 / peripheral function |
| פין 91 | PF06 — GPIO PF06 / peripheral function |
| פין 92 | PF07 — GPIO PF07 / peripheral function |
| פין 93 | PF08 — GPIO PF08 / peripheral function |
| פין 94 | PF09 — GPIO PF09 / peripheral function |
| פין 95 | PF10 — GPIO PF10 / peripheral function |
| פין 96 | PF11 — GPIO PF11 / peripheral function |
| פין 97 | PF12 — GPIO PF12 / peripheral function |
| פין 98 | PF13 — GPIO PF13 / peripheral function |
| פין 99 | PF14 — GPIO PF14 / peripheral function |
| פין 100 | PF15 — GPIO PF15 / peripheral function |
| פין 101 | TDI — JTAG Test Data In |
| פין 102 | TDO — JTAG Test Data Out |
| פין 103 | TMS — JTAG Test Mode Select |
| פין 104 | TCK — JTAG Test Clock |
| פין 105 | NRST — Active-low reset input |
| פין 106 | XIN — Crystal oscillator input |
| פין 107 | XOUT — Crystal oscillator output |
| פין 108 | VDDIO — I/O supply voltage |
| פין 109 | GND — Ground |
| פין 110 | DM — USB D- data line |
| פין 111 | DP — USB D+ data line |
| פין 112 | VBUS — USB VBUS sense |
| פין 113 | CANRX0 — CAN0 receive |
| פין 114 | CANTX0 — CAN0 transmit |
| פין 115 | CANRX1 — CAN1 receive |
| פין 116 | CANTX1 — CAN1 transmit |
| פין 117 | ADVREF — ADC reference voltage |
| פין 118 | AD0 — ADC analog input 0 |
| פין 119 | AD1 — ADC analog input 1 |
| פין 120 | AD2 — ADC analog input 2 |
| פין 121 | AD3 — ADC analog input 3 |
| פין 122 | VDDANA — Analog supply voltage |
| פין 123 | GNDANA — Analog ground |
| פין 124 | PWMH0 — PWM High output channel 0 |
| פין 125 | PWML0 — PWM Low output channel 0 |
| פין 126 | PWMH1 — PWM High output channel 1 |
| פין 127 | PWML1 — PWM Low output channel 1 |
| פין 128 | PWMH2 — PWM High output channel 2 |
| פין 129 | PWML2 — PWM Low output channel 2 |
| פין 130 | PWMH3 — PWM High output channel 3 |
| פין 131 | PWML3 — PWM Low output channel 3 |
| פין 132 | PWMH4 — PWM High output channel 4 |
| פין 133 | PWML4 — PWM Low output channel 4 |
| פין 134 | PWMH5 — PWM High output channel 5 |
| פין 135 | PWML5 — PWM Low output channel 5 |
| פין 136 | VDDIO — I/O supply voltage |
| פין 137 | GND — Ground |
| פין 138 | QIA0 — QDEC index A0 |
| פין 139 | QIB0 — QDEC index B0 |
| פין 140 | PA00A — Alternate function A on PA00 |
| פין 141 | VDDPLL — PLL supply voltage |
| פין 142 | GNDPLL — PLL ground |
| פין 143 | VDDIO — I/O supply voltage |
| פין 144 | GND — Ground |
יישומים טיפוסיים
AT32UC3C0512C-ALZR מתאים עבור 8 יישוםs: Automotive BLDC and PMSM Motor Drive, Industrial Servo and Stepper Controller, Automotive HVAC and Body Controller, Field-Oriented Control Robot Math Subsystem, Power Tool Brushless DC Drive, Industrial UPS and Solar Inverter Control, QTouch Capacitive Touch Subsystem, USB Connected Industrial Sensor Node.
Automotive BLDC and PMSM Motor Drive
The AT32UC3C0512C-ALZR is purpose-built for sensorless and sensored FOC control of BLDC and PMSM motors in HVAC blowers, water pumps, oil pumps, and radiator fans. Its hardware single-precision FPU accelerates Park/Clarke transforms and PI loops at 66 MHz with deterministic interrupt latency, while the on-chip 12-bit ADC with simultaneous dual-sample capability samples phase currents at the same instant for accurate current vector reconstruction. The PWMC module delivers complementary 3-phase outputs with hardware dead-time insertion, and QDEC captures quadrature encoder feedback for sensored position control. AEC-Q100 Grade 1 qualification across -40 C to +125 C allows direct use in under-hood environments without additional ruggedisation.
מומלץ
Industrial Servo and Stepper Controller
For industrial servo drives and stepper motor controllers, the AT32UC3C0512C-ALZR provides the loop-rate computation, QDEC feedback, and complementary PWM generation needed for closed-loop position control. The Harvard-cache AVR32 architecture and FPU keep the FOC cycle under 10 microseconds at 66 MHz, leaving CPU headroom for EtherCAT/SERCOS communication stacks. The 512 KB Flash accommodates control loop, communication stack, and parameter tables; 68 KB SRAM supports stack, heap, and dual-loop memory without external RAM. The -40 C to +125 C industrial temperature grade suits cabinet-mounted servo amplifiers and CNC peripherals.
מומלץ
Automotive HVAC and Body Controller
The AT32UC3C0512C-ALZR is well-suited for body and HVAC ECUs thanks to its CAN and LIN support, large Flash for stack/runtime libraries, and AEC-Q100 Grade 1 qualification. Two on-die CAN controllers connect to chassis and powertrain CAN buses simultaneously, while four USARTs interface to LIN, RS-232 debug, or auxiliary sensors. FlashVault code protection isolates OEM bootloader from tuner code, an important IP-protection feature for body controllers exposed to service tools. Operating at 3.3 V and 5 V lets the MCU share rails with automotive sensors without level shifters.
מומלץ
Field-Oriented Control Robot Math Subsystem
Engineers implementing FOC on multi-axis robotic joints can deploy one AT32UC3C0512C-ALZR per axis: the device's hardware FPU computes the Park/Clarke and inverse transforms per PWM period, while the multi-channel TC and PWMC synchronize multiple motor phases. Compared to discrete DSP + MCU architectures, this single-chip approach reduces PCB area, BOM cost, and qualification effort. The integrated 12-bit ADC with dual-sample-and-hold is critical for sampling two phase currents simultaneously, a common requirement for space-vector-modulated FOC.
מומלץ
Power Tool Brushless DC Drive
In handheld cordless power tools, the AT32UC3C0512C-ALZR drives sensorless BLDC motors using its BEMF zero-cross detection through the analog comparators. The 144-LQFP footprint is robust for hand-tool vibration profiles and supports AEC-Q100 Grade 1 temperature range, providing thermal margin for tool-head applications. Low-power sleep modes with peripheral event controller wake-up extend battery life in standby. Hardware FPU accelerates predictive commutation algorithms that improve torque response over fixed-timing sensorless methods.
מומלץ
Industrial UPS and Solar Inverter Control
The AT32UC3C0512C-ALZR serves as the central control MCU in small UPS systems and photovoltaic string inverters where deterministic FOC or PFC loops and CAN/RS-485 connectivity are needed. Its 66 MHz core with FPU executes MPPT and inverter-control loops in real time, while the dual CAN controllers interface to inverter-cluster CAN buses. AEC-Q100 Grade 1 qualification supports outdoor cabinet installations in extreme climates. The 144-LQFP package provides good thermal headroom for high-ambient solar installations.
מומלץ
QTouch Capacitive Touch Subsystem
The AT32UC3C0512C-ALZR integrates the Atmel QTouch library for capacitive buttons, sliders, and wheels, enabling touch-based user interfaces on automotive and industrial HMI panels. The peripheral event controller offloads touch scanning from the core, freeing CPU cycles for application logic. Combined with the 144-LQFP package, the part fits behind automotive center-stack displays and industrial control panels where capacitive touch is replacing mechanical switches.
מומלץ
USB Connected Industrial Sensor Node
The AT32UC3C0512C-ALZR's on-chip USB 2.0 full-speed device enables direct USB connectivity for industrial sensor nodes that need to stream data to a host PC or service tool. Combined with the AEC-Q100 temperature range, the part works in factory-floor cabinets and automotive test benches. The integrated 12-bit ADC, CAN, and USARTs let one MCU serve as the node's data-acquisition, processing, and communications hub without external bridges.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור AT32UC3C0512C-ALZR — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | AT32UC3C1512C-ALZR | AT32UC3C2512C-ALZR | AT32UC3C0512C-ALUT | AT32UC3C0512C-ALZ |
|---|---|---|---|---|---|
| Package | 144-LQFP (20x20 mm) | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash | 512 KB | 1.5 MB | 2.5 MB | 512 KB | 512 KB |
| SRAM | 68 KB | 68 KB | 68 KB | 68 KB | 68 KB |
| Core Clock | 66 MHz | 66 MHz | 66 MHz | 66 MHz | 66 MHz |
| Operating Temperature | -40 C to +125 C (AEC-Q100 G1) | -40 C to +125 C (AEC-Q100 G1) | -40 C to +125 C (AEC-Q100 G1) | -40 C to +125 C (AEC-Q100 G1) | -40 C to +125 C (AEC-Q100 G1) |
| FPU | Yes (single-precision) | Yes (single-precision) | Yes (single-precision) | Yes (single-precision) | Yes (single-precision) |
| Packaging | Tape & Reel (-R suffix) | Tape & Reel | Tape & Reel | Tray (-T suffix) | Tray (no -R/-T suffix) |
| Approx Unit Price (qty-100) | USD 14.95 | USD ~22 (higher flash) | USD ~30 (highest flash) | USD ~18.50 (tray) | USD ~18.50 (tray) |
מבדילים עיקריים
- Automotive-grade qualification (לעומתAT32UC3C0512C-ALUT)
- Largest available Flash in UC3C family (לעומתAT32UC3C0512C-ALZR (this product))
- Hardware FPU for FOC acceleration (לעומתAT32UC3A0512-ALUR (different family))
הערות תכנון
Power the AT32UC3C0512C-ALZR from a low-noise 3.3V LDO; the on-chip core regulator (VDDCORE) generates the internal 1.8V domain. Decouple each VDDCORE pin with a 100 nF and a 10 uF bulk capacitor placed within 5 mm of the pin. Estimate: at 66 MHz and full I/O toggling, the active current is approximately 45-55 mA; in deep-sleep it drops below 100 uA, suitable for battery-backed automotive wake scenarios.
Route the ADC analog inputs (AD0-AD3) as differential pairs and isolate them from PWM and digital switching traces. Use a single-point ground connection between the MCU GND and the analog ground plane to avoid ground-loop noise injection into ADC measurements. Place the crystal close to the XIN/XOUT pins with short traces and guard ring to reduce oscillator jitter that affects ADC and PWM timing accuracy.
Do not exceed the AEC-Q100 rated -40 C to +125 C operating junction temperature; verify with thermal simulation rather than relying on the 144-LQFP thermal pad only. The part has no external memory bus, so all firmware must fit in 512 KB Flash plus 68 KB SRAM; size migrations to AT32C1512C/2512C if more headroom is needed. Watch out for NRST polarity: it is active-low, so pull-ups are needed if no external supervisor is connected.
The USB DP/DM traces require 90-ohm differential impedance and length matching within 150 mil; place the USB common-mode choke and ESD diode array within 5 mm of the connector. The CAN bus lines also need 120-ohm termination and isolation per the Microchip CAN system design note in datasheet doc9166. Use the on-chip QTouch library but route touch sensors away from switching power inductors to prevent false triggers.
מידע על תאימות
AEC-Q100 Grade 1 qualification. Developed per ISO-TS 16949 quality requirements per the Microchip datasheet (doc9166). RoHS and REACH compliance verified per Microchip product page.
