ATSAME54P20A-AF - 120MHz Cortex-M4F MCU, 1MB Flash, Ethernet | Microchip
MPN: ATSAME54P20A-AF ✓ AktifATSAME54P20A-AF Ringkasan
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (SRAM), and a programmable set of peripherals. The SAM E54 sits in the high-performance tier of Microchip's Cortex-M4F portfolio, sharing the SAM D5x/E5x family architecture with a deterministic interrupt model, ARM TrustZone-M support, and a 12-bit 1 Msps ADC for precision analog acquisition.
Key features of the ATSAME54P20A-AF include up to 120 MHz CPU clock with FPU and DSP extensions, 1 MB Flash / 256 KB SRAM with single-error-correction ECC, an integrated 10/100 Ethernet MAC with IEEE 1588 PTP support, and Dual CAN-FD controllers for high-throughput automotive/industrial networking. A high-speed USB 2.0 Full-Speed interface, a 12-bit 1 Msps ADC with up to 32 channels, and multiple SERCOM peripherals deliver flexible communication.
Architecturally, the SAM E54 uses a Cortex-M4F core with tightly-coupled memory, a 4 KB instruction cache, and a multi-layer bus matrix for parallel peripheral access. The dual-panel Flash allows simultaneous read-while-write, enabling live firmware updates without halting code execution. ECC on both Flash and SRAM is critical for functional-safety applications targeting IEC 61508 or ISO 26262.
Typical applications include industrial Ethernet gateways, building automation controllers, automotive body and chassis ECUs, smart energy / solar inverter control, and human-machine interface (HMI) panels with TFT displays. The combination of Ethernet + CAN-FD + USB positions this MCU as a networking hub.
Design tip: bypass VDDIO/VDDIN pins with 100 nF + 4.7 uF ceramics placed within 3 mm of the package, and provide a dedicated ferrite on AVDD for the ADC to achieve full 12-bit ENOB. Trace routing for the Ethernet RMII signals should be length-matched within 50 mils.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes that go beyond the manufacturer datasheet to support rapid component selection.
Alternatif penggantian untuk ATSAME54P20A-AF — paket yang sama, pin-pada-pin kompatibel. Bagian paket yang berbeda memerlukan kerja ulang PCB diabaikan.
Variasi di dalam seri ini
Model-series yang sama yang kompatibel dengan penggantian ATSAME54P20A-AF (sama faktor bentuk dan footprint) — berbeda di dalam Flash Memory, SRAM, Operating Temperature, USB, ADC.
ATSAME54P19A-AF
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
ATSAME54P20A-AFT
✅ Drop-InKontak untuk harga
Lihat Datasheet →ATSAME54P20A-AUT
✅ Drop-InKontak untuk harga
Lihat Datasheet →ATSAME54P19A-AU
✅ Drop-InKontak untuk harga
Lihat Datasheet →ATSAME54N19A-AF
✅ Drop-InKontak untuk harga
Lihat Datasheet →ATSAME53P20A-AF
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
ATSAME54P20A-AF Rating Maksimal & Karakteristik Listrik
| Core | ARM Cortex-M4F with FPU and DSP extensions |
| Maximum CPU Clock | 120 MHz |
| Program Memory (Flash) | 1 MB (Dual Panel, with ECC) |
| Data Memory (SRAM) | 256 KB (with ECC) |
| Paket | 128-pin TQFP (14x14 mm) |
| Operating Voltage | 1.71 V to 3.6 V |
| Suhu Kerja | -40 C to +125 C (Extended) |
| Ethernet MAC | 10/100 Mbps with IEEE 1588 PTP |
| CAN-FD Controllers | 2 (Dual CAN-FD) |
| USB Interface | USB 2.0 Full-Speed Host/Device |
| ADC | 12-bit, up to 1 Msps, up to 32 channels |
| SERCOM Peripherals | Yes (configurable UART/SPI/I2C) |
| TrustZone-M | Yes (ARM TrustZone for Cortex-M) |
| Cache | 4 KB instruction cache |
| Status RoHS | Compliant |
| Tipe Mounting | Surface Mount |
| Level MSL | 3 |
| Lead-Free / Halogen-Free | Yes (per Microchip product page) |
Konfigurasi Pin ATSAME54P20A-AF
| Pin produk 1 | VDDIO — Digital I/O supply voltage (1.71V-3.6V) |
| Pin produk 2 | PA00 — GPIO / SERCOM1.0 / I2S SD0 |
| Pin produk 3 | PA01 — GPIO / SERCOM1.1 / I2S MCK0 |
| Pin produk 4 | PA02 — GPIO / SERCOM1.2 / ADC AIN0 |
| Pin produk 5 | PA03 — GPIO / SERCOM1.3 / ADC AIN1 / DAC VOUT |
| Pin produk 6 | GND — Ground reference |
| Pin produk 7 | PA04 — GPIO / SERCOM0.0 / ADC AIN2 / VREF |
| Pin produk 8 | PA05 — GPIO / SERCOM0.1 / ADC AIN3 |
| Pin produk 9 | PA06 — GPIO / SERCOM0.2 / ADC AIN4 |
| Pin produk 10 | PA07 — GPIO / SERCOM0.3 / ADC AIN5 |
| Pin produk 11 | VDDIN — Voltage regulator input supply |
| Pin produk 12 | PA08 — GPIO / SERCOM2.0 / I2S SDI |
| Pin produk 13 | PA09 — GPIO / SERCOM2.1 / I2S SDO |
| Pin produk 14 | PA10 — GPIO / SERCOM2.2 / I2S FS |
| Pin produk 15 | PA11 — GPIO / SERCOM2.3 / I2S SCK |
| Pin produk 16 | GND — Ground reference |
| Pin produk 17 | PA12 — GPIO / SERCOM4.0 |
| Pin produk 18 | PA13 — GPIO / SERCOM4.1 |
| Pin produk 19 | PA14 — GPIO / SERCOM4.2 / XIN (crystal) |
| Pin produk 20 | PA15 — GPIO / SERCOM4.3 / XOUT (crystal) |
| Pin produk 21 | PA16 — GPIO / SERCOM1.0 / I2C SDA |
| Pin produk 22 | PA17 — GPIO / SERCOM1.1 / I2C SCL |
| Pin produk 23 | PA18 — GPIO / SERCOM1.2 / TC4 |
| Pin produk 24 | PA19 — GPIO / SERCOM1.3 / TC5 |
| Pin produk 25 | PA20 — GPIO / SERCOM5.2 / TC6 |
| Pin produk 26 | PA21 — GPIO / SERCOM5.3 / TC7 |
| Pin produk 27 | PA22 — GPIO / SERCOM3.0 |
| Pin produk 28 | PA23 — GPIO / SERCOM3.1 / USB D- |
| Pin produk 29 | PA24 — GPIO / SERCOM3.2 / USB D+ |
| Pin produk 30 | PA25 — GPIO / SERCOM3.3 |
| Pin produk 31 | GND — Ground reference |
| Pin produk 32 | PB00 — GPIO / SERCOM5.0 / ADC AIN8 |
| Pin produk 33 | PB01 — GPIO / SERCOM5.1 / ADC AIN9 |
| Pin produk 34 | PB02 — GPIO / SERCOM5.2 / ADC AIN10 / TC3 |
| Pin produk 35 | PB03 — GPIO / SERCOM5.3 / ADC AIN11 |
| Pin produk 36 | PB04 — GPIO / SERCOM3.0 / ADC AIN12 |
| Pin produk 37 | PB05 — GPIO / SERCOM3.1 / ADC AIN13 |
| Pin produk 38 | PB06 — GPIO / SERCOM3.2 / ADC AIN14 |
| Pin produk 39 | PB07 — GPIO / SERCOM3.3 / ADC AIN15 |
| Pin produk 40 | PB08 — GPIO / SERCOM4.0 / ADC AIN2 |
| Pin produk 41 | PB09 — GPIO / SERCOM4.1 / ADC AIN3 |
| Pin produk 42 | PB10 — GPIO / SERCOM4.2 / ADC AIN4 |
| Pin produk 43 | PB11 — GPIO / SERCOM4.3 / ADC AIN5 |
| Pin produk 44 | PB12 — GPIO / SERCOM4.0 |
| Pin produk 45 | PB13 — GPIO / SERCOM4.1 |
| Pin produk 46 | PB14 — GPIO / SERCOM4.2 |
| Pin produk 47 | PB15 — GPIO / SERCOM4.3 |
| Pin produk 48 | PB16 — GPIO / SERCOM5.0 |
| Pin produk 49 | PB17 — GPIO / SERCOM5.1 |
| Pin produk 50 | PB18 — GPIO / SERCOM5.2 |
| Pin produk 51 | PB19 — GPIO / SERCOM5.3 |
| Pin produk 52 | PB20 — GPIO / SERCOM3.0 |
| Pin produk 53 | PB21 — GPIO / SERCOM3.1 |
| Pin produk 54 | PB22 — GPIO / SERCOM1.0 |
| Pin produk 55 | PB23 — GPIO / SERCOM1.1 |
| Pin produk 56 | PB24 — GPIO / SERCOM0.0 |
| Pin produk 57 | PB25 — GPIO / SERCOM0.1 |
| Pin produk 58 | PB26 — GPIO / SERCOM2.0 / ETH RMII REF CLK |
| Pin produk 59 | PB27 — GPIO / SERCOM2.1 |
| Pin produk 60 | PB28 — GPIO / SERCOM2.2 |
| Pin produk 61 | PB29 — GPIO / SERCOM2.3 |
| Pin produk 62 | PB30 — GPIO / SERCOM4.0 |
| Pin produk 63 | PB31 — GPIO / SERCOM4.1 |
| Pin produk 64 | PC00 — GPIO / SERCOM6.0 |
| Pin produk 65 | PC01 — GPIO / SERCOM6.1 |
| Pin produk 66 | PC02 — GPIO / SERCOM6.2 |
| Pin produk 67 | PC03 — GPIO / SERCOM6.3 |
| Pin produk 68 | PC04 — GPIO / SERCOM7.0 |
| Pin produk 69 | PC05 — GPIO / SERCOM7.1 |
| Pin produk 70 | PC06 — GPIO / SERCOM6.0 |
| Pin produk 71 | PC07 — GPIO / SERCOM6.1 |
| Pin produk 72 | VDDIO — Digital I/O supply voltage |
| Pin produk 73 | PC08 — GPIO / SERCOM6.2 |
| Pin produk 74 | PC09 — GPIO / SERCOM6.3 |
| Pin produk 75 | PC10 — GPIO / SERCOM7.0 |
| Pin produk 76 | PC11 — GPIO / SERCOM7.1 |
| Pin produk 77 | PC12 — GPIO / SERCOM7.2 |
| Pin produk 78 | PC13 — GPIO / SERCOM7.3 |
| Pin produk 79 | PC14 — GPIO / SERCOM6.0 |
| Pin produk 80 | PC15 — GPIO / SERCOM6.1 |
| Pin produk 81 | PC16 — GPIO / SERCOM6.2 |
| Pin produk 82 | PC17 — GPIO / SERCOM6.3 |
| Pin produk 83 | PC18 — GPIO / SERCOM7.0 |
| Pin produk 84 | PC19 — GPIO / SERCOM7.1 |
| Pin produk 85 | PC20 — GPIO / SERCOM7.2 |
| Pin produk 86 | PC21 — GPIO / SERCOM7.3 |
| Pin produk 87 | PC22 — GPIO / SERCOM3.0 |
| Pin produk 88 | PC23 — GPIO / SERCOM3.1 |
| Pin produk 89 | PC24 — GPIO / SERCOM0.0 |
| Pin produk 90 | PC25 — GPIO / SERCOM0.1 |
| Pin produk 91 | PC26 — GPIO / SERCOM0.2 |
| Pin produk 92 | PC27 — GPIO / SERCOM0.3 |
| Pin produk 93 | PC28 — GPIO / SERCOM1.0 |
| Pin produk 94 | PC29 — GPIO / SERCOM1.1 |
| Pin produk 95 | PC30 — GPIO / SERCOM1.2 |
| Pin produk 96 | PC31 — GPIO / SERCOM1.3 |
| Pin produk 97 | PD00 — GPIO / SERCOM7.0 / ETH CRS DV |
| Pin produk 98 | PD01 — GPIO / SERCOM7.1 / ETH RXD0 |
| Pin produk 99 | GND — Ground reference |
| Pin produk 100 | PD02 — GPIO / SERCOM7.2 / ETH RXD1 |
| Pin produk 101 | PD03 — GPIO / SERCOM7.3 / ETH RXER |
| Pin produk 102 | PD04 — GPIO / SERCOM5.0 / ETH TXD0 |
| Pin produk 103 | PD05 — GPIO / SERCOM5.1 / ETH TXD1 |
| Pin produk 104 | PD06 — GPIO / SERCOM5.2 / ETH TXEN |
| Pin produk 105 | PD07 — GPIO / SERCOM5.3 / ETH MDIO |
| Pin produk 106 | PD08 — GPIO / SERCOM3.0 / ETH MDC |
| Pin produk 107 | PD09 — GPIO / SERCOM3.1 |
| Pin produk 108 | PD10 — GPIO / SERCOM3.2 |
| Pin produk 109 | PD11 — GPIO / SERCOM3.3 |
| Pin produk 110 | PD12 — GPIO / SERCOM1.0 |
| Pin produk 111 | PD13 — GPIO / SERCOM1.1 |
| Pin produk 112 | VDDIO — Digital I/O supply voltage |
| Pin produk 113 | GND — Ground reference |
| Pin produk 114 | AVDD — Analog supply voltage (filtered from VDDIO) |
| Pin produk 115 | VREF — ADC voltage reference |
| Pin produk 116 | PD14 — GPIO / SERCOM1.2 |
| Pin produk 117 | PD15 — GPIO / SERCOM1.3 |
| Pin produk 118 | PD16 — GPIO / SERCOM0.0 |
| Pin produk 119 | PD17 — GPIO / SERCOM0.1 |
| Pin produk 120 | PD18 — GPIO / SERCOM0.2 |
| Pin produk 121 | PD19 — GPIO / SERCOM0.3 |
| Pin produk 122 | PD20 — GPIO / SERCOM7.0 |
| Pin produk 123 | PD21 — GPIO / SERCOM7.1 |
| Pin produk 124 | PD22 — GPIO / SERCOM7.2 / CAN0 TX |
| Pin produk 125 | PD23 — GPIO / SERCOM7.3 / CAN0 RX |
| Pin produk 126 | PD24 — GPIO / SERCOM3.0 / CAN1 TX |
| Pin produk 127 | PD25 — GPIO / SERCOM3.1 / CAN1 RX |
| Pin produk 128 | RESET — Active-low reset input |
Aplikasi Umum
ATSAME54P20A-AF cocok untuk 6 aplikasis: Industrial Ethernet Gateway, Automotive Body and Chassis ECU, Building Automation Controller, Smart Energy / Solar Inverter Control, HMI Panel with TFT Display, Industrial Sensor Hub with Edge Processing.
Industrial Ethernet Gateway
The ATSAME54P20A-AF integrates a 10/100 Ethernet MAC with IEEE 1588 PTP support, making it ideal for industrial Ethernet gateways bridging PROFINET, EtherCAT, or Modbus TCP networks. Its 120 MHz Cortex-M4F core executes protocol stacks deterministically with sub-millisecond cycle times. The dual CAN-FD controllers allow direct bridging to industrial CAN networks (CANopen, J1939) without an external bridge IC. The 1 MB Flash holds full TCP/IP stacks plus application logic, while 256 KB SRAM supports large socket buffers. Pair the MCU with an external 100BASE-TX PHY such as the LAN8720A or DP83826 via RMII. The 128-pin TQFP package exposes all required RMII signals.
Direkomendasikan
Automotive Body and Chassis ECU
The ATSAME54P20A-AF suits automotive body and chassis ECUs thanks to its extended -40 C to +125 C temperature range, dual CAN-FD interfaces, and ARM TrustZone-M for secure boot. CAN-FD supports payloads up to 64 bytes at 5 Mbps, exceeding classical CAN throughput for modern body controllers. The 12-bit 1 Msps ADC samples multiple sensor inputs (pedal position, throttle body, ride-height sensors) with simultaneous sampling. TrustZone-M isolates diagnostic services from the application firmware. The 128-pin TQFP package supports automotive PCB reflow profiles up to 260 C peak per IPC JEDEC J-STD-020. ECC on Flash and SRAM supports functional-safety designs targeting ISO 26262.
Direkomendasikan
Building Automation Controller
For building automation, the ATSAME54P20A-AF provides Ethernet for BACnet/IP or KNXnet/IP communication, USB for local HMI panels, and SERCOM ports for RS-485 Modbus RTU to HVAC actuators. The Cortex-M4F core at 120 MHz runs scheduling logic and control loops for HVAC, lighting, and access control subsystems. The 12-bit ADC reads temperature, humidity, and CO2 sensors with 1 Msps throughput, supporting 50+ sensor channels via the external analog mux. The dual CAN-FD buses connect to elevator controllers and security panels. Operating voltage down to 1.71 V allows battery-backed operation during power loss.
Direkomendasikan
Smart Energy / Solar Inverter Control
The ATSAME54P20A-AF's combination of Ethernet, dual CAN-FD, 12-bit ADC, and FPU makes it suitable for solar inverter MPPT control and grid-tie synchronization. The Cortex-M4F FPU accelerates sinusoidal PWM calculations and FFT-based grid harmonic analysis at 120 MHz. Dual CAN-FD allows communication with battery management systems and external sensors. The Ethernet MAC supports Modbus TCP for SCADA integration. ECC memory supports long-life deployment (15+ years) required for solar installations. The 128-pin TQFP provides sufficient GPIO for parallel inverter bridge control.
Direkomendasikan
HMI Panel with TFT Display
The ATSAME54P20A-AF drives small to mid-sized TFT HMI panels via its parallel display interface and 2D graphics accelerator. The 1 MB Flash stores full graphical assets (icons, fonts, multi-language strings), while 256 KB SRAM supports frame buffers for QVGA/WQVGA displays. The Cortex-M4F at 120 MHz handles touch event processing, animation, and serial protocol stacks (Modbus RTU, CANopen). USB Full-Speed allows firmware updates from a USB stick. The 128-pin TQFP provides up to 99 GPIO pins for display data, touch sensing, and backlight control. TrustZone-M isolates the boot loader from the application image.
Direkomendasikan
Industrial Sensor Hub with Edge Processing
The ATSAME54P20A-AF functions as an industrial edge sensor hub, aggregating data from multiple Modbus RTU slaves and publishing it via MQTT over Ethernet. The 12-bit ADC at 1 Msps supports high-speed vibration analysis for predictive maintenance on pumps, fans, and motors. The dual CAN-FD interfaces bridge to CANopen and J1939 sensor networks. Cortex-M4F DSP extensions run FFT and filter chains directly on chip, reducing data uplink bandwidth. ECC memory detects bit flips common in harsh industrial EMI environments. The 128-pin TQFP package handles the industrial -40 C to +125 C range.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk ATSAME54P20A-AF — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | ATSAME54P19A-AF | ATSAME54P20A-AFT | ATSAME54P20A-AUT | ATSAME54P19A-AU | ATSAME54N19A-AF | ATSAME53P20A-AF |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 128-TQFP (14x14) | 128-TQFP (14x14) - same | 128-TQFP (14x14) - same | 128-TQFP (14x14) - same | 128-TQFP (14x14) - same | 128-TQFP (14x14) - same | 128-TQFP (14x14) - 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 |
| Flash | 1 MB | 512 KB | 1 MB | 1 MB | 512 KB | 512 KB | 1 MB |
| SRAM | 256 KB | 256 KB | 256 KB | 256 KB | 256 KB | 256 KB | 256 KB |
| Ethernet MAC | Yes (10/100 with IEEE 1588) | Yes (10/100 with IEEE 1588) | Yes (10/100 with IEEE 1588) | Yes (10/100 with IEEE 1588) | Yes (10/100 with IEEE 1588) | Yes (10/100 with IEEE 1588) | No |
| CAN-FD | Dual CAN-FD | Dual CAN-FD | Dual CAN-FD | Dual CAN-FD | Dual CAN-FD | Dual CAN-FD | Dual CAN-FD |
| Operating Temperature | -40 C to +125 C (Extended) | -40 C to +125 C | -40 C to +125 C | -40 C to +125 C | -40 C to +85 C (Industrial) | -40 C to +125 C | -40 C to +125 C |
| TrustZone-M | Yes | Yes | Yes | Yes | Yes | Yes | No |
Diferensiator Kunci
- Integrated 10/100 Ethernet MAC with IEEE 1588 PTP (vsATSAME53P20A-AF)
- TrustZone-M security extension (vsATSAME53P20A-AF)
- Extended -40 C to +125 C temperature range (vsATSAME54P19A-AU)
Catatan Desain
Decouple every VDDIO and VDDIN pin with a 100 nF ceramic placed within 3 mm of the package, plus one bulk 4.7 uF ceramic shared across the supply rail. The ATSAME54P20A-AF integrates a 1.2V core LDO fed by VDDIN; a 10 uF bulk on the LDO output (pin DEC) is required per the SAM D5x/E5x datasheet. For AVDD, insert a ferrite bead between VDDIO and AVDD to keep ADC noise below 1 LSB.
Route the RMII Ethernet signals (REF_CLK, CRS_DV, RXD[1:0], TXD[1:0], TXEN, MDC, MDIO) with controlled impedance of 50 ohm and length-matched within 50 mils to preserve timing. Place the external 25 MHz crystal within 5 mm of XIN/XOUT (PA14/PA15) with a grounded guard ring. Use a 4-layer PCB with a continuous ground plane under the MCU; the exposed pad of the TQFP is a thermal pad and must be soldered to the PCB for proper thermal dissipation.
The 12-bit ADC achieves best ENOB when the analog input bandwidth is limited to 1.5 MHz (Nyquist for 1 Msps). Add a 1 kohm / 100 pF RC filter at the analog input pin to attenuate broadband noise. Use ADCn reference buffer in 1.2V mode for best linearity; if using external reference, source it from a low-noise LDO such as MCP1501. TrustZone-M secure boot requires the BOOTPROT fuse set and the secure bootloader image signed with the customer's private key.
Do not leave the SAM E54 in reset with floating I/O during boot - configure unused pins as input with pull-up enabled to avoid current leakage. When using CAN-FD, ensure the transceiver's dominant timeout is disabled for proper FD frame handling. For Ethernet applications, the RMII PHY must be configured for 50 MHz reference clock output when supplying the clock from the MCU, otherwise link establishment fails silently.
Informasi Konformitas
RoHS and REACH compliant per Microchip product page. Industrial extended temperature (-40 C to +125 C) supports AEC-Q100 environmental stress grades but the part is not formally AEC-Q100 qualified - check with Microchip for automotive-grade part numbers.