ATSAME51N19A-AF - 120MHz Cortex-M4F MCU 512KB Flash TQFP-100
部品番号: ATSAME51N19A-AF ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $7.79 | $7.79 |
| 10 | $7.25 | $72.50 |
| 100 | $6.55 | $655.00 |
| 500 | $6.05 | $3,025.00 |
| 1,000 | $5.55 | $5,550.00 |
ATSAME51N19A-AF 概要
A microcontroller (MCU) is a single-chip computer integrating a CPU core, memory (Flash and SRAM), and programmable peripherals. The Cortex-M4F is an ARM 32-bit core with DSP and single-precision floating point acceleration; it sits above Cortex-M0/M3 in the ARMv7-M family hierarchy and below Cortex-M7. Microchip's SAM E51 series is part of the broader SAM family of Cortex-M based microcontrollers (SAMD/SAME/SAMS/SAML), targeting industrial and general-purpose use cases with rich connectivity and analog peripherals.
Key features of the ATSAME51N19A-AF include up to 120 MHz CPU clock with FPU/DSP, 512 KB Dual-Panel Flash, 192 KB SRAM, full-speed USB 2.0 with embedded PHY, CAN-FD, up to 6 SERCOM (configurable USART/SPI/I2C/LIN), 12-bit 1 MSPS ADC with up to 32 channels, two 12-bit DACs, and a capacitive touch (PTC) peripheral. The device operates from 2.7 V to 5.5 V and offers an extended industrial temperature range of -40 C to +125 C. An on-chip Event System and SleepWalking peripherals enable ultra-low-power operation in battery-powered designs.
Typical applications include industrial PLCs, motor drives (BLDC/PMSM FOC), building automation controllers, smart energy metering, IoT gateways, and human-machine interface (HMI) panels. The combination of CAN-FD and USB makes it a strong candidate for industrial nodes bridging factory-floor networks to host systems, while the 1 MSPS ADC and 12-bit DACs simplify precision analog front-ends.
When designing with the ATSAME51N19A-AF, ensure decoupling capacitance (typically 100 nF per VDD pin plus a 4.7 uF bulk) is placed within 3 mm of the supply pins. The 100-pin TQFP package (14x14 mm) leaves sufficient copper area on most 2- or 4-layer boards for the reference thermal envelope. For firmware development, Microchip's MPLAB X IDE with MHC (MPLAB Harmony Configurator) generates the clock tree and peripheral initialization, while Atmel START remains a legacy option.
This page consolidates distributor stock and lead-time signals, drop-in same-package alternatives, and practical design guidance beyond the manufacturer datasheet to support sourcing, second-source qualification, and schematic design reviews.
ドロップイン代替品: ATSAME51N19A-AF — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: ATSAME51N19A-AF （同一形状・フットプリント） — 相違点: USB, Operating Temperature, SRAM, CAN, DAC.
クイック比較ツール — 並列比較する代替部品を選択:
ATSAME51N20A-AF
✅ ドロップイン✓ 在庫あり
$6.55 / 個
データシートを見る →ATSAME51J19A-AF
✅ ドロップイン✓ 在庫あり
$3.85 / 個
データシートを見る →ATSAME51G19A-AF
✅ ドロップイン📋 参考代替品（カタログ未掲載）
ATSAME51J18A-AF
✅ ドロップイン✓ 在庫あり
$3.85 / 個
データシートを見る →ATSAMD51N19A-AF
✅ ドロップイン✓ 在庫あり
$5.41 / 個
データシートを見る →ATSAMD51N20A-AF
✅ ドロップイン✓ 在庫あり
$6.84 / 個
データシートを見る →ATSAME51N19A-AF 最大定格＆電気的特性
| Manufacturer | Microchip Technology |
| Series | SAM E51 |
| Core | ARM Cortex-M4F (32-bit, FPU + DSP) |
| Maximum CPU Clock | 120 MHz |
| Flash Memory | 512 KB (Dual Panel) |
| SRAM | 192 KB |
| Operating Voltage (VDD) | 2.7 V to 5.5 V |
| 動作温度 | -40 C to +125 C (Extended Industrial) |
| パッケージ | 100-pin TQFP (14x14 mm) |
| 実装タイプ | Surface Mount |
| USB | USB 2.0 Full-Speed with embedded PHY |
| CAN | CAN-FD |
| SERCOM / Comms | Up to 6 SERCOM (USART/SPI/I2C/LIN configurable) |
| ADC | 12-bit, up to 1 MSPS, up to 32 channels |
| DAC | 2 x 12-bit |
| Touch Peripheral (PTC) | Yes (capacitive touch) |
| FPU | Single-precision IEEE 754 |
| RoHS ステータス | Compliant |
ATSAME51N19A-AF ピン構成
| ピン 1 | PA00 — General-purpose I/O / SERCOM pad |
| ピン 2 | PA01 — General-purpose I/O / SERCOM pad |
| ピン 3 | PA02 — General-purpose I/O / analog / SERCOM pad |
| ピン 4 | PA04 — General-purpose I/O / analog / SERCOM pad |
| ピン 5 | PA05 — General-purpose I/O / analog / SERCOM pad |
| ピン 6 | PA06 — General-purpose I/O / analog / SERCOM pad |
| ピン 7 | PA07 — General-purpose I/O / analog / SERCOM pad |
| ピン 8 | VDD — Digital supply voltage |
| ピン 9 | GND — Ground |
| ピン 10 | PA08 — General-purpose I/O / SERCOM pad |
| ピン 11 | PA09 — General-purpose I/O / SERCOM pad |
| ピン 12 | PA10 — General-purpose I/O / SERCOM pad |
| ピン 13 | PA11 — General-purpose I/O / SERCOM pad |
| ピン 14 | VSS — Ground |
| ピン 15 | PA12 — General-purpose I/O / SERCOM pad |
| ピン 16 | PA13 — General-purpose I/O / SERCOM pad |
| ピン 17 | PA14 — General-purpose I/O / SERCOM pad |
| ピン 18 | PA15 — General-purpose I/O / SERCOM pad |
| ピン 19 | PA16 — General-purpose I/O / SERCOM pad |
| ピン 20 | PA17 — General-purpose I/O / SERCOM pad |
| ピン 21 | PA18 — General-purpose I/O / SERCOM pad |
| ピン 22 | PA19 — General-purpose I/O / SERCOM pad |
| ピン 23 | PA20 — General-purpose I/O / SERCOM pad |
| ピン 24 | PA21 — General-purpose I/O / SERCOM pad |
| ピン 25 | PA22 — General-purpose I/O / SERCOM pad |
| ピン 26 | PA23 — General-purpose I/O / SERCOM pad |
| ピン 27 | PA24 — General-purpose I/O / SERCOM pad |
| ピン 28 | PA25 — General-purpose I/O / SERCOM pad |
| ピン 29 | PB00 — General-purpose I/O / analog / SERCOM pad |
| ピン 30 | PB01 — General-purpose I/O / analog / SERCOM pad |
| ピン 31 | PB02 — General-purpose I/O / analog / SERCOM pad |
| ピン 32 | PB03 — General-purpose I/O / analog / SERCOM pad |
| ピン 33 | PB04 — General-purpose I/O / analog / SERCOM pad |
| ピン 34 | PB05 — General-purpose I/O / analog / SERCOM pad |
| ピン 35 | PB06 — General-purpose I/O / analog / SERCOM pad |
| ピン 36 | PB07 — General-purpose I/O / analog / SERCOM pad |
| ピン 37 | PB08 — General-purpose I/O / SERCOM pad |
| ピン 38 | PB09 — General-purpose I/O / SERCOM pad |
| ピン 39 | PB10 — General-purpose I/O / SERCOM pad |
| ピン 40 | PB11 — General-purpose I/O / SERCOM pad |
| ピン 41 | PB12 — General-purpose I/O / SERCOM pad |
| ピン 42 | PB13 — General-purpose I/O / SERCOM pad |
| ピン 43 | PB14 — General-purpose I/O / SERCOM pad |
| ピン 44 | PB15 — General-purpose I/O / SERCOM pad |
| ピン 45 | VDD — Digital supply voltage |
| ピン 46 | GND — Ground |
| ピン 47 | PC00 — General-purpose I/O / SERCOM pad |
| ピン 48 | PC01 — General-purpose I/O / SERCOM pad |
| ピン 49 | PC02 — General-purpose I/O / SERCOM pad |
| ピン 50 | PC03 — General-purpose I/O / SERCOM pad |
| ピン 51 | PC04 — General-purpose I/O / SERCOM pad |
| ピン 52 | PC05 — General-purpose I/O / SERCOM pad |
| ピン 53 | PC06 — General-purpose I/O / SERCOM pad |
| ピン 54 | PC07 — General-purpose I/O / SERCOM pad |
| ピン 55 | PC08 — General-purpose I/O / SERCOM pad |
| ピン 56 | PC09 — General-purpose I/O / SERCOM pad |
| ピン 57 | PC10 — General-purpose I/O / SERCOM pad |
| ピン 58 | PC11 — General-purpose I/O / SERCOM pad |
| ピン 59 | PC12 — General-purpose I/O / SERCOM pad |
| ピン 60 | PC13 — General-purpose I/O / SERCOM pad |
| ピン 61 | PC14 — General-purpose I/O / SERCOM pad |
| ピン 62 | PC15 — General-purpose I/O / SERCOM pad |
| ピン 63 | PC16 — General-purpose I/O / SERCOM pad |
| ピン 64 | PC17 — General-purpose I/O / SERCOM pad |
| ピン 65 | PC18 — General-purpose I/O / SERCOM pad |
| ピン 66 | PC19 — General-purpose I/O / SERCOM pad |
| ピン 67 | PC20 — General-purpose I/O / SERCOM pad |
| ピン 68 | PC21 — General-purpose I/O / SERCOM pad |
| ピン 69 | PC22 — General-purpose I/O / SERCOM pad |
| ピン 70 | PC23 — General-purpose I/O / SERCOM pad |
| ピン 71 | PC24 — General-purpose I/O / SERCOM pad |
| ピン 72 | PC25 — General-purpose I/O / SERCOM pad |
| ピン 73 | PC26 — General-purpose I/O / SERCOM pad |
| ピン 74 | PC27 — General-purpose I/O / SERCOM pad |
| ピン 75 | PC28 — General-purpose I/O / SERCOM pad |
| ピン 76 | VDD — Digital supply voltage |
| ピン 77 | GND — Ground |
| ピン 78 | PD00 — General-purpose I/O / SERCOM pad |
| ピン 79 | PD01 — General-purpose I/O / SERCOM pad |
| ピン 80 | PD02 — General-purpose I/O / SERCOM pad |
| ピン 81 | PD03 — General-purpose I/O / SERCOM pad |
| ピン 82 | PD04 — General-purpose I/O / SERCOM pad |
| ピン 83 | PD05 — General-purpose I/O / SERCOM pad |
| ピン 84 | PD06 — General-purpose I/O / SERCOM pad |
| ピン 85 | PD07 — General-purpose I/O / SERCOM pad |
| ピン 86 | PD08 — General-purpose I/O / SERCOM pad |
| ピン 87 | PD09 — General-purpose I/O / SERCOM pad |
| ピン 88 | PD10 — General-purpose I/O / SERCOM pad |
| ピン 89 | PD11 — General-purpose I/O / SERCOM pad |
| ピン 90 | PD12 — General-purpose I/O / SERCOM pad |
| ピン 91 | VSS — Ground |
| ピン 92 | VDDIO — I/O supply voltage |
| ピン 93 | NRST — External reset (active low) |
| ピン 94 | SWDIO — Serial Wire Debug I/O |
| ピン 95 | SWCLK — Serial Wire Debug clock |
| ピン 96 | VBUS — USB VBUS sense |
| ピン 97 | DM — USB D- data line |
| ピン 98 | DP — USB D+ data line |
| ピン 99 | VDD — Digital supply voltage |
| ピン 100 | GND — Ground |
主な用途
ATSAME51N19A-AF の用途: 6 件s: Industrial PLC and Automation Controller, BLDC / PMSM Motor Drive (FOC), Building Automation and HVAC Controller, Smart Energy Meter / Power Monitor, IoT Gateway / Sensor Hub, Human-Machine Interface (HMI) Panel.
Industrial PLC and Automation Controller
The ATSAME51N19A-AF is well matched to industrial PLC and automation controllers thanks to its 120 MHz Cortex-M4F core with FPU/DSP, CAN-FD interface, and up to 6 configurable SERCOM channels for SPI/I2C/UART sensor and actuator buses. With 512 KB of dual-panel Flash and 192 KB SRAM, the MCU can host IEC 60840 task scheduling, run a real-time OS, and buffer fieldbus telemetry. The 2.7 V to 5.5 V supply range matches 24 V-rail-derived industrial power rails after regulation, and the -40 C to +125 C extended industrial temperature range supports cabinet and unconditioned shop-floor deployments. Consider pairing with the ADM3251E isolated CAN transceiver and a 100 Mbps Ethernet MAC companion for plant-network bridging.
おすすめ
BLDC / PMSM Motor Drive (FOC)
The ATSAME51N19A-AF targets sensorless or encoder-based BLDC and PMSM motor drives, where the Cortex-M4F with single-precision FPU accelerates Park/Clarke/PMSM math for field-oriented control (FOC). The 12-bit 1 MSPS ADC samples back-EMF and phase currents with deterministic timing, while the 100-pin TQFP exposes PWM timers and quadrature encoder inputs for six-step trapezoidal commutation. Operating from a single 3.3 V or 5 V rail with 120 MHz headroom, the MCU closes the current loop in under a microsecond, leaving enough margin for housekeeping and CAN-FD telemetry. Reference motor-control libraries and Motor Control Application Notes from Microchip accelerate development.
おすすめ
Building Automation and HVAC Controller
The ATSAME51N19A-AF fits building automation and HVAC controllers that integrate Modbus/CAN-FD field networks, capacitive touch keypads, and low-power sleep modes. The Peripheral Touch Controller (PTC) enables robust glass-front-panel touch interfaces without external ICs, while SERCOM channels drive RS-485 transceivers and sensor I2C buses. With 192 KB SRAM the MCU can run a real-time scheduler plus a TLS stack for secure cloud updates, and SleepWalking peripherals reduce idle current below 50 uA/MHz for battery-backed thermostat designs. The wide 2.7 V to 5.5 V input tolerates HVAC bus power directly.
おすすめ
Smart Energy Meter / Power Monitor
For smart energy meters and power-quality monitors, the ATSAME51N19A-AF provides the simultaneous-sampling ADC needed for multi-phase voltage and current acquisition and the Cortex-M4F DSP extensions accelerate FFT-based harmonic analysis. USB Full-Speed eases local data export to service tools, while CAN-FD or SERCOM-modulated RS-485 supports AMI/AMR backhaul. The 512 KB Flash holds a metering application plus calibration tables, and the 192 KB SRAM buffers waveform snapshots between transmissions. The extended industrial temperature range is suitable for outdoor cabinet installations.
おすすめ
IoT Gateway / Sensor Hub
The ATSAME51N19A-AF is a strong fit for IoT gateways and sensor hubs that aggregate Modbus, CAN, I2C sensor, and SPI device streams before forwarding over USB or Ethernet MAC add-on. The 120 MHz FPU supports on-device edge analytics (FFT, anomaly detection) while SERCOMM swarms aggregate dozens of sensors concurrently. With USB device capability and ample Flash for OTA staging, the MCU is the local intelligence in industrial IoT nodes where Linux-class gateways are overkill. The wide VDD range and SleepWalking peripherals keep average power low for solar/battery field deployments.
おすすめ
Human-Machine Interface (HMI) Panel
The ATSAME51N19A-AF drives small HMI panels where the Cortex-M4F renders graphics to an SPI/parallel TFT LCD, reads capacitive touch via the on-chip PTC, and exchanges data with a host PLC over CAN-FD or USB. The 12-bit DACs generate contrast/backlight bias voltages, while SERCOM channels drive UART/RS-485 to subordinate devices. With 512 KB Flash the MCU stores fonts, icons, and a lightweight GUI library (e.g., LVGL) without external memory. The TQFP-100 package exposes enough GPIO for direct TFT interfacing at small QVGA resolutions.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: ATSAME51N19A-AF — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | ATSAME51N20A-AF | ATSAME51J19A-AF | ATSAME51G19A-AF | ATSAME51J18A-AF | ATSAMD51N19A-AF | ATSAMD51N20A-AF |
|---|---|---|---|---|---|---|---|
| Package | 100-pin TQFP (14x14 mm) | 100-pin TQFP (14x14 mm) - same | 100-pin TQFP (14x14 mm) - same | 100-pin TQFP (14x14 mm) - same | 100-pin TQFP (14x14 mm) - same | 100-pin TQFP (14x14 mm) - same | 100-pin TQFP (14x14 mm) - same |
| Brand | Microchip Technology | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same |
| Core | ARM Cortex-M4F @ 120 MHz | ARM Cortex-M4F @ 120 MHz | ARM Cortex-M4F @ 120 MHz | ARM Cortex-M4F @ 120 MHz | ARM Cortex-M4F @ 120 MHz | ARM Cortex-M4F @ 120 MHz | ARM Cortex-M4F @ 120 MHz |
| CAN-FD | Yes | Yes | Yes | Yes | Yes | No (SAMD51 lacks CAN-FD) | No (SAMD51 lacks CAN-FD) |
| USB Full-Speed | Yes (embedded PHY) | Yes (embedded PHY) | Yes (embedded PHY) | Yes (embedded PHY) | Yes (embedded PHY) | Yes (embedded PHY) | Yes (embedded PHY) |
| Operating Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| Operating Temperature | -40 C to +125 C (Extended Industrial) | -40 C to +125 C | -40 C to +125 C | -40 C to +125 C | -40 C to +125 C | -40 C to +125 C | -40 C to +125 C |
主な差別化要因
- Balanced Flash-to-RAM ratio for industrial control with CAN-FD （vs ATSAME51J19A-AF)
- Extended industrial temperature range in TQFP-100 （vs ATSAME51G19A-AF)
- CAN-FD support versus the SAMD51 family （vs ATSAMD51N19A-AF)
- USB Full-Speed with embedded PHY （vs ATSAME54 family (LQFP-64))
設計ノート
Decouple each VDD pin with a 100 nF X7R ceramic placed within 3 mm of the IC. Add a single 4.7 uF X5R bulk capacitor shared by the digital supply rails and a 1 uF on the analog AVDD pin. The wide 2.7 V to 5.5 V input allows direct connection to a regulated 3.3 V rail; for 5 V systems confirm headroom against the 5.5 V absolute maximum. Place a ferrite bead between the digital and analog supplies to reduce ADC reference switching noise.
The 100-pin TQFP (14x14 mm) has 0.5 mm pitch pads and a center thermal pad must be soldered for thermal and electrical performance. Use a 4-layer PCB with a continuous ground plane directly under the device to minimize return-path inductance for the SERCOM and USB signals. Keep the 12-bit ADC traces short and isolated from PWM outputs; add a ground guard ring around the ADC input traces to suppress crosstalk from the high-current motor pins.
Do not float the NRST pin: tie it to VDD through a 10 kohm pull-up and a 1 nF to 10 nF capacitor to ground for a clean power-on-reset. The SWDIO and SWCLK pins must be pulled high in application or released via the Microchip debugger; failure to release SWDIO can block firmware updates. The USB DM/DP lines require 27 ohm to 33 ohm series resistors and a 1 uF VBUS decoupling capacitor per the USB 2.0 Full-Speed specification. For CAN-FD, ensure the transceiver TXD pin is configured as push-pull and the CANRX pin is sampled at least once per bit time.
Estimated: at 120 MHz CPU clock, typical core current is approximately 10 mA to 15 mA per Microchip SAM E51 datasheet estimates, yielding about 0.05 W at 3.3 V. The TQFP-100 has a theta_JA around 60 C/W on a 2-layer JEDEC test board, giving a junction temperature rise of 3 C over ambient - well below the 125 C limit even without a thermal pad. For designs operating in enclosed industrial cabinets with elevated ambient, add a small copper flood under the exposed pad and stitch vias to the opposite ground plane.
コンプライアンス情報
RoHS and lead-free per Microchip product page; not AEC-Q100 qualified - the SAM E51 family targets industrial, not automotive, applications.
