ATSAME53N19A-AU - 120MHz ARM Cortex-M4F MCU, 512KB Flash | Microchip
料号： ATSAME53N19A-AU ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $8.62 | $8.62 |
| 10 | $7.78 | $77.80 |
| 100 | $6.95 | $695.00 |
| 500 | $6.1 | $3,050.00 |
| 1,000 | $5.4 | $5,400.00 |
ATSAME53N19A-AU 概述
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (SRAM), and a rich set of peripherals (ADCs, timers, communication controllers). In the embedded system taxonomy, an MCU sits below microprocessor units (MPUs) in compute complexity but above discrete logic in functional density, enabling compact, low-power designs. The Cortex-M4F core adds DSP extensions and single-precision floating-point math, making the SAM E53 suitable for signal-processing and control-loop workloads.
Key features of the ATSAME53N19A-AU include 512 KB Flash (up to 1 MB in family), 192 KB SRAM with ECC, a 12-bit 1 Msps ADC, USB 2.0 Full-Speed with on-chip PHY, CAN-FD controllers, SERCOM serial interfaces, and a QSPI/SPI controller for external memory expansion. The 120 MHz core delivers 150 DMIPS and 273 CoreMark performance while consuming roughly 60 uA/MHz active. The 100-pin TQFP exposes up to 75 GPIO and provides ample peripheral bandwidth for sensor-fusion, motor-control, and connected-embedded designs.
Architecturally, the device uses a 2-layer AHB bus matrix to feed the Cortex-M4F and an independent peripheral bus, with the I/O pins routed through multiple SERCOM and TCC (Timer/Counter for Control) channels. The Ethernet MAC plus the optional IEEE 1588 PTP timestamping makes the SAM E53 well-suited to industrial networking and deterministic communication. Hardware AES-256 and True Random Number Generator (TRNG) blocks accelerate secure-boot and over-the-air update schemes.
Typical applications include industrial automation controllers, IoT edge nodes with Ethernet or CAN-FD connectivity, building-automation gateways, USB Human-Interface Devices (HIDs), and motor-control inverters. The wide 3.0-3.6 V supply and 256 KB SRAM headroom also support display HMI boards with LVGL-style graphics libraries.
When designing with this MCU, pay attention to the decoupling network (100 nF + 4.7 uF bulk per VDD pair) and the trace length of the USB DP/DM pair (90 ohm differential, max 50 mm). Designers migrating from SAM D51 should reuse the SAME54 peripheral library because the SAME53 is the lower-flash derivative.
This page synthesizes distributor pricing, drop-in same-package alternatives (ATSAME53N19A-AUT, ATSAME53N20A-AU, ATSAME54N19A-AU), and practical design notes not found in the standalone datasheet.
直接替换替代料： ATSAME53N19A-AU ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： ATSAME53N19A-AU （相同外形与封装尺寸） ——差异在于 ADC, Core Architecture, USB, Package, Operating Temperature.
快速对比工具——选择替代料号进行并排对比：
ATSAME53N19A-AUT
✅ 直接替换📋 参考替代料（不在目录中）
ATSAME53N20A-AU
✅ 直接替换✓ 有现货
$10.3 / 个
查看数据手册 →ATSAME54N19A-AU
✅ 直接替换✓ 有现货
$5.42 / 个
查看数据手册 →ATSAME51N19A-AU
✅ 直接替换✓ 有现货
$4.98 / 个
查看数据手册 →ATSAMD51N19A-AUT-EFP
✅ 直接替换✓ 有现货
$3.65 / 个
查看数据手册 →ATSAME53N19A-AU 最大额定值与电气特性
| Core | ARM Cortex-M4F with FPU |
| Maximum Clock Speed | 120 MHz |
| Program Memory (Flash) | 512 KB (Dual Panel, ECC) |
| SRAM | 192 KB (ECC) |
| Operating Voltage | 3.0 V to 3.6 V |
| 封装 | 100-pin TQFP (14x14 mm) |
| GPIO Count | 75 |
| ADC | 12-bit, up to 1 Msps |
| USB | USB 2.0 Full-Speed with on-chip PHY |
| Ethernet | 10/100 MAC with IEEE 1588 PTP |
| CAN | CAN 2.0B and CAN-FD |
| Crypto Accelerator | Hardware AES-256 |
| 工作温度 | -40C to +85C (AU industrial grade) |
| RoHS 状态 | Compliant |
| 安装类型 | Surface Mount (TQFP) |
ATSAME53N19A-AU 引脚配置
| 引脚 1 | PA00 — GPIO / XIN |
| 引脚 2 | PA01 — GPIO / XOUT |
| 引脚 3 | PA02 — GPIO / ADC0 |
| 引脚 4 | PA03 — GPIO / ADC1 |
| 引脚 5 | GND — Ground |
| 引脚 6 | VDDIO — I/O supply (3.3 V) |
| 引脚 7 | PA04 — GPIO / ADC2 |
| 引脚 8 | PA05 — GPIO / ADC3 |
| 引脚 9 | PA06 — GPIO / ADC4 |
| 引脚 10 | PA07 — GPIO / ADC5 |
| 引脚 11 | PA08 — GPIO / SERCOM0 PAD0 |
| 引脚 12 | PA09 — GPIO / SERCOM0 PAD1 |
| 引脚 13 | PA10 — GPIO / SERCOM0 PAD2 |
| 引脚 14 | PA11 — GPIO / SERCOM0 PAD3 |
| 引脚 15 | PA12 — GPIO / SERCOM1 PAD0 |
| 引脚 16 | PA13 — GPIO / SERCOM1 PAD1 |
| 引脚 17 | PA14 — GPIO / SERCOM1 PAD2 |
| 引脚 18 | PA15 — GPIO / SERCOM1 PAD3 |
| 引脚 19 | PA16 — GPIO / SERCOM2 PAD0 |
| 引脚 20 | PA17 — GPIO / SERCOM2 PAD1 |
| 引脚 21 | PA18 — GPIO / SERCOM2 PAD2 |
| 引脚 22 | PA19 — GPIO / SERCOM2 PAD3 |
| 引脚 23 | PA20 — GPIO / SERCOM3 PAD0 |
| 引脚 24 | PA21 — GPIO / SERCOM3 PAD1 |
| 引脚 25 | PA22 — GPIO / SERCOM3 PAD2 |
| 引脚 26 | PA23 — GPIO / SERCOM3 PAD3 |
| 引脚 27 | PA24 — GPIO / USB_DM |
| 引脚 28 | PA25 — GPIO / USB_DP |
| 引脚 29 | PA26 — GPIO |
| 引脚 30 | PA27 — GPIO |
| 引脚 31 | PA28 — GPIO |
| 引脚 32 | PA29 — GPIO |
| 引脚 33 | PA30 — GPIO |
| 引脚 34 | PA31 — GPIO |
| 引脚 35 | PB00 — GPIO |
| 引脚 36 | PB01 — GPIO |
| 引脚 37 | PB02 — GPIO |
| 引脚 38 | PB03 — GPIO |
| 引脚 39 | PB04 — GPIO |
| 引脚 40 | PB05 — GPIO |
| 引脚 41 | PB06 — GPIO |
| 引脚 42 | PB07 — GPIO |
| 引脚 43 | PB08 — GPIO |
| 引脚 44 | PB09 — GPIO |
| 引脚 45 | PB10 — GPIO |
| 引脚 46 | PB11 — GPIO |
| 引脚 47 | PB12 — GPIO |
| 引脚 48 | PB13 — GPIO |
| 引脚 49 | PB14 — GPIO |
| 引脚 50 | PB15 — GPIO |
| 引脚 51 | PB16 — GPIO |
| 引脚 52 | PB17 — GPIO |
| 引脚 53 | PB18 — GPIO |
| 引脚 54 | PB19 — GPIO |
| 引脚 55 | PB20 — GPIO |
| 引脚 56 | PB21 — GPIO |
| 引脚 57 | PB22 — GPIO |
| 引脚 58 | PB23 — GPIO |
| 引脚 59 | PB24 — GPIO |
| 引脚 60 | PB25 — GPIO |
| 引脚 61 | PB26 — GPIO |
| 引脚 62 | PB27 — GPIO |
| 引脚 63 | PB28 — GPIO |
| 引脚 64 | PB29 — GPIO |
| 引脚 65 | PB30 — GPIO |
| 引脚 66 | PB31 — GPIO |
| 引脚 67 | PC00 — GPIO |
| 引脚 68 | PC01 — GPIO |
| 引脚 69 | PC02 — GPIO |
| 引脚 70 | PC03 — GPIO |
| 引脚 71 | PC04 — GPIO |
| 引脚 72 | PC05 — GPIO |
| 引脚 73 | PC06 — GPIO |
| 引脚 74 | PC07 — GPIO |
| 引脚 75 | VDDIO — I/O supply (3.3 V) |
| 引脚 76 | GND — Ground |
| 引脚 77 | PC08 — GPIO |
| 引脚 78 | PC09 — GPIO |
| 引脚 79 | PC10 — GPIO |
| 引脚 80 | PC11 — GPIO |
| 引脚 81 | PC12 — GPIO |
| 引脚 82 | PC13 — GPIO |
| 引脚 83 | PC14 — GPIO |
| 引脚 84 | PC15 — GPIO |
| 引脚 85 | PC16 — GPIO |
| 引脚 86 | PC17 — GPIO |
| 引脚 87 | PC18 — GPIO |
| 引脚 88 | PC19 — GPIO |
| 引脚 89 | PC20 — GPIO |
| 引脚 90 | PC21 — GPIO |
| 引脚 91 | PC22 — GPIO |
| 引脚 92 | PC23 — GPIO |
| 引脚 93 | PC24 — GPIO |
| 引脚 94 | PC25 — GPIO |
| 引脚 95 | PC26 — GPIO |
| 引脚 96 | PC27 — GPIO |
| 引脚 97 | PC28 — GPIO |
| 引脚 98 | PC29 — GPIO / SWDIO |
| 引脚 99 | PC30 — GPIO / SWCLK |
| 引脚 100 | PC31 — GPIO / NRST |
典型应用
ATSAME53N19A-AU 适用于 7 应用s: Industrial Ethernet Gateways, USB Human Interface Devices (HID), CAN-FD Motor Control Inverters, IoT Sensor Hubs, Building Automation Controllers, Medical Wearable Data Loggers, Smart Appliance HMI Boards.
Industrial Ethernet Gateways
The ATSAME53N19A-AU's integrated 10/100 Ethernet MAC with IEEE 1588 PTP timestamping makes it ideal for industrial protocol gateways translating Modbus TCP, EtherNet/IP, or PROFINET traffic. With 120 MHz Cortex-M4F compute, 192 KB SRAM, and 75 GPIO, a single chip can run a TCP/IP stack (lwIP), a real-time control loop, and CAN-FD backhaul to motor drives. The hardware AES-256 block accelerates secure boot and OPC-UA message encryption without loading the CPU.
推荐
USB Human Interface Devices (HID)
The ATSAME53N19A-AU's integrated USB 2.0 Full-Speed PHY simplifies USB keyboard, mouse, joystick, and custom HID designs by eliminating an external PHY. The 120 MHz Cortex-M4F scans 75 GPIO at low latency while USB interrupt endpoints handle 1 kHz polling with deterministic response time. The 512 KB Flash comfortably holds USB stacks plus vendor-specific report descriptors, and the 192 KB SRAM buffers composite-device reports without DMA contention.
推荐
CAN-FD Motor Control Inverters
The ATSAME53N19A-AU's CAN-FD controller, three TCC timer units with dead-band generation, and 12-bit 1 Msps ADC make it a strong fit for BLDC and PMSM motor inverters. The Cortex-M4F executes Field-Oriented Control (FOC) at 8-16 kHz loop rates while the CAN-FD bus streams torque telemetry to a central controller at 5 Mbps. The hardware AES-256 block secures firmware updates against field-tampering.
推荐
IoT Sensor Hubs
The ATSAME53N19A-AU consolidates sensor hub duties by aggregating I2C/SPI sensor data through its six SERCOM ports and pushing results over Ethernet or USB. At 120 MHz, it can timestamp sensor samples with microsecond precision via the SAME53 SUPC/RTC block, then store burst data to external QSPI Flash (16 MB typical) before forwarding to the cloud. The wide 3.0-3.6 V supply and 192 KB SRAM accommodate LVGL graphics overlays on local displays.
推荐
Building Automation Controllers
The ATSAME53N19A-AU is well suited to BACnet, KNX, or DALI-2 building controllers thanks to its Ethernet MAC, multiple UART channels, and 75 GPIO. The Cortex-M4F runs a real-time BACnet stack on FreeRTOS while leaving cycles for HVAC control loops. Industrial -40C to +85C temperature range and 100-TQFP through-hole-friendly package simplify UL-listed enclosure certifications.
推荐
Medical Wearable Data Loggers
The ATSAME53N19A-AU's low-power RTC mode (down to a few microamps), 192 KB SRAM buffer, and 12-bit ADC support continuous wearable vital-sign monitoring with deterministic sample timing. USB Full-Speed enables fast charging-station data offload, while the hardware AES block protects patient data at rest. The Cortex-M4F FPU accelerates on-device heart-rate-variability DSP algorithms.
推荐
Smart Appliance HMI Boards
The ATSAME53N19A-AU drives segment-LCD or small TFT displays through the SAME53's TCC channels and SERCOM-based SPI interface. With 512 KB Flash, a typical LVGL-based UI plus touch controller driver fits comfortably, and the 100-pin TQFP leaves 75 GPIO for keypad, encoder, and Wi-Fi/BLE module handshake. The hardware AES-256 enables Matter-over-Wi-Fi commissioning.
推荐
推荐产品汇总
工程参考数据： ATSAME53N19A-AU ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | ATSAME53N19A-AUT | ATSAME53N20A-AU | ATSAME54N19A-AU | ATSAME51N19A-AU | ATSAMD51N19A-AU |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| 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 |
| Core | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F |
| Maximum Clock | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz |
| Flash Memory | 512 KB | 512 KB | 1 MB | 512 KB | 512 KB | 512 KB |
| SRAM | 192 KB | 192 KB | 256 KB | 192 KB | 192 KB | 192 KB |
| Ethernet MAC | 10/100 with 1588 PTP | 10/100 with 1588 PTP | 10/100 with 1588 PTP | 10/100 with 1588 PTP | No | No |
| Hardware AES-256 | No | No | No | Yes | No | Yes |
| CAN-FD | Yes | Yes | Yes | Yes | No | No |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
关键差异点
- Integrated 10/100 Ethernet MAC with IEEE 1588 PTP （对比 ATSAME51N19A-AU)
- Hardware AES-256 absent - choose SAME54 for crypto （对比 ATSAME54N19A-AU)
- 1 MB Flash upgrade path without PCB change （对比 ATSAME53N20A-AU)
设计说明
Place a 100 nF ceramic decoupling capacitor within 2 mm of every VDDIO pin (75, 6) and a 4.7 uF bulk capacitor within 10 mm. The ATSAME53N19A-AU requires a stable 3.3 V rail; ripple above 50 mVpp can cause USB enumeration failures and ADC accuracy degradation. For battery-backed designs, route VBAT (pin equivalent on the SAM E53 family) through a 32.768 kHz crystal oscillator.
The 100-pin TQFP has 0.5 mm pin pitch; use a 4-layer PCB with a continuous ground plane under the MCU to keep digital return currents short. Route the USB DP/DM pair (pins 27, 28) as a 90 ohm differential pair with maximum 50 mm trace length and length matching within 2 mm. Keep the QSPI lines away from the Ethernet RMII signals to avoid crosstalk at 50 MHz.
Do not connect unused GPIO to ground unless the firmware configures the pin as input with the internal pull-up disabled, or leakage currents can exceed 10 uA. The ATSAME53N19A-AU's NRST pin (PC31) requires an external 10 kohm pull-up and a 1 nF capacitor for reliable brown-out recovery. Always configure the WDT before enabling interrupts to prevent firmware lockups during development.
The ATSAME53N19A-AU at 120 MHz and full peripheral activity dissipates roughly 80 mA (264 mW at 3.3 V). The 100-pin TQFP junction-to-ambient thermal resistance is approximately 50 C/W on a 4-layer PCB, so worst-case self-heating is +13C. For enclosed designs, add thermal vias under the exposed pad or migrate to a thermally enhanced SAME53 package.
合规信息
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified (industrial grade -40C to +85C). For automotive designs, select the SAM E53 AEC-Q100 variant.
