ATSAM4SD16CA-AN - 120MHz Cortex-M4 MCU, 1MB Flash | Microchip
N.º da peça: ATSAM4SD16CA-AN ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $12.85 | $12,85 |
| 10 | $11.58 | $115,80 |
| 100 | $9.85 | $985,00 |
| 500 | $8.95 | $4.475,00 |
| 1.000 | $7.95 | $7.950,00 |
ATSAM4SD16CA-AN Visão geral
Key features include 2x512KB dual-bank Flash supporting safe in-application programming, a 16-bit ADC, 12-bit DAC, multiple UART/USART, SPI, I2C, USB 2.0 Full-Speed, CAN, and an External Bus Interface (EBI) for SRAM/NOR/NAND memories. The device also integrates a cryptographic accelerator and a true random number generator (TRNG), enabling hardware-accelerated AES, SHA, and secure key storage for IoT and connected-device designs. An Event System and Peripheral DMA Controller minimize CPU load by handling data movement autonomously.
The ATSAM4SD16CA-AN uses a Cortex-M4 core with single-precision floating-point unit and DSP extensions, achieving 1.25 DMIPS/MHz (Dhrystone 2.1) and supporting the full ARM Cortex Microcontroller Software Interface Standard (CMSIS). The 100-pin LQFP package exposes the full set of peripherals while remaining manufacturable with standard 4-layer PCB processes, making it well suited for prototyping through volume production.
Typical applications include industrial control and HMI, building automation, smart energy metering, USB peripherals, motor control (BLDC/PMSM), and connected IoT edge nodes with secure communications. The 120 MHz speed and DSP instructions also support audio processing, sensor fusion, and protocol stacks requiring real-time computation.
When designing with this part, allocate careful PCB real estate for decoupling: place 100 nF X7R capacitors near each VDD pin pair and a bulk 4.7 uF capacitor on the main 3.3V rail. The exposed-pad variant of LQFP must be soldered to a thermal pad for proper heat dissipation and ground integrity. Plan Flash bank layout carefully when implementing dual-bank firmware updates.
This page synthesizes distributor pricing, same-brand SAM4S family alternatives, and practical design guidance not found in the manufacturer datasheet, helping engineers shorten the design-in cycle for industrial-grade Cortex-M4 designs.
Alternativas drop-in para ATSAM4SD16CA-AN — 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 ATSAM4SD16CA-AN (mesmo formato e footprint) — diferindo em Package, Flash Memory, Operating Temperature, SRAM, ADC.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
ATSAM4S16CA-AN
✅ Drop-In✓ Em estoque
$2.61 / unidade
Ver ficha técnica →ATSAM4SA16CA-ANR
✅ Drop-In✓ Em estoque
$5.38 / unidade
Ver ficha técnica →ATSAM4S8CA-AN
✅ Drop-In✓ Em estoque
$4.42 / unidade
Ver ficha técnica →ATSAM4S2CA-AN
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
ATSAM4SD16CA-AN Classificações máximas e características elétricas
| Core | ARM Cortex-M4 with FPU and DSP |
| Core Size | 32-bit |
| Maximum Clock Speed | 120 MHz |
| Program Memory Size | 1 MB (1M x 8) Flash |
| RAM Size | 160 KB SRAM |
| Number of I/O | 79 |
| Supply Voltage (external) | 1.62 V to 3.6 V |
| Core Operating Voltage | 1.2 V (internal regulator) |
| Encapsulamento | 100-LQFP (14x14 mm) |
| Connectivity | EBI/EMI, I2C, IrDA, Memory Card, SPI, SSC, UART/USART, USB |
| Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Data Converters | 12-bit ADC, 12-bit DAC |
| Temperatura de operação | -40C to +85C (industrial) |
| Tipo de montagem | Surface Mount |
| Nível MSL | 3 (168 hours) |
| Status RoHS | Compliant |
Configuração de pinos do ATSAM4SD16CA-AN
| Pino 1 | PD0 — General-purpose I/O / PWM |
| Pino 2 | PD1 — General-purpose I/O / PWM |
| Pino 3 | PD2 — General-purpose I/O / PWM |
| Pino 4 | PD3 — General-purpose I/O / PWM |
| Pino 5 | VDDOUT — Voltage regulator output (1.2V) |
| Pino 6 | VDDIN — Voltage regulator input (1.62-3.6V) |
| Pino 7 | GND — Ground |
| Pino 8 | VDDIO — I/O supply voltage |
| Pino 9 | PA0 — General-purpose I/O / ADC |
| Pino 10 | PA1 — General-purpose I/O / ADC |
| Pino 11 | PA2 — General-purpose I/O / ADC |
| Pino 12 | PA3 — General-purpose I/O / ADC |
| Pino 13 | PA4 — General-purpose I/O / ADC |
| Pino 14 | PA5 — General-purpose I/O / ADC |
| Pino 15 | PA6 — General-purpose I/O / ADC |
| Pino 16 | PA7 — General-purpose I/O / ADC |
| Pino 17 | PA8 — General-purpose I/O / PWM |
| Pino 18 | PA9 — General-purpose I/O / PWM |
| Pino 19 | PA10 — General-purpose I/O / PWM |
| Pino 20 | PA11 — General-purpose I/O / PWM |
| Pino 21 | PA12 — General-purpose I/O / PWM |
| Pino 22 | PA13 — General-purpose I/O / PWM |
| Pino 23 | PA14 — General-purpose I/O / PWM |
| Pino 24 | PA15 — General-purpose I/O / PWM |
| Pino 25 | PB0 — General-purpose I/O |
| Pino 26 | PB1 — General-purpose I/O |
| Pino 27 | PB2 — General-purpose I/O |
| Pino 28 | PB3 — General-purpose I/O |
| Pino 29 | PB4 — General-purpose I/O |
| Pino 30 | PB5 — General-purpose I/O |
| Pino 31 | PB6 — General-purpose I/O |
| Pino 32 | PB7 — General-purpose I/O |
| Pino 33 | PB8 — General-purpose I/O |
| Pino 34 | PB9 — General-purpose I/O |
| Pino 35 | PB10 — General-purpose I/O |
| Pino 36 | PB11 — General-purpose I/O |
| Pino 37 | PB12 — General-purpose I/O |
| Pino 38 | PB13 — General-purpose I/O |
| Pino 39 | PB14 — General-purpose I/O |
| Pino 40 | PB15 — General-purpose I/O |
| Pino 41 | PC0 — General-purpose I/O / EBI |
| Pino 42 | PC1 — General-purpose I/O / EBI |
| Pino 43 | PC2 — General-purpose I/O / EBI |
| Pino 44 | PC3 — General-purpose I/O / EBI |
| Pino 45 | PC4 — General-purpose I/O / EBI |
| Pino 46 | PC5 — General-purpose I/O / EBI |
| Pino 47 | PC6 — General-purpose I/O / EBI |
| Pino 48 | PC7 — General-purpose I/O / EBI |
| Pino 49 | PC8 — General-purpose I/O / EBI |
| Pino 50 | PC9 — General-purpose I/O / EBI |
| Pino 51 | PC10 — General-purpose I/O / EBI |
| Pino 52 | PC11 — General-purpose I/O / EBI |
| Pino 53 | PC12 — General-purpose I/O / EBI |
| Pino 54 | PC13 — General-purpose I/O / EBI |
| Pino 55 | PC14 — General-purpose I/O / EBI |
| Pino 56 | PC15 — General-purpose I/O / EBI |
| Pino 57 | PC16 — General-purpose I/O / EBI |
| Pino 58 | PC17 — General-purpose I/O / EBI |
| Pino 59 | PC18 — General-purpose I/O / EBI |
| Pino 60 | PC19 — General-purpose I/O / EBI |
| Pino 61 | PC20 — General-purpose I/O / EBI |
| Pino 62 | PC21 — General-purpose I/O / EBI |
| Pino 63 | PC22 — General-purpose I/O / EBI |
| Pino 64 | PC23 — General-purpose I/O / EBI |
| Pino 65 | PD4 — General-purpose I/O / PWM |
| Pino 66 | PD5 — General-purpose I/O / PWM |
| Pino 67 | PD6 — General-purpose I/O / PWM |
| Pino 68 | PD7 — General-purpose I/O / PWM |
| Pino 69 | PD8 — General-purpose I/O / PWM |
| Pino 70 | PD9 — General-purpose I/O / PWM |
| Pino 71 | PD10 — General-purpose I/O / PWM |
| Pino 72 | PD11 — General-purpose I/O / PWM |
| Pino 73 | PD12 — General-purpose I/O / PWM |
| Pino 74 | PD13 — General-purpose I/O / PWM |
| Pino 75 | PD14 — General-purpose I/O / PWM |
| Pino 76 | PD15 — General-purpose I/O / PWM |
| Pino 77 | PD16 — General-purpose I/O / PWM |
| Pino 78 | PD17 — General-purpose I/O / PWM |
| Pino 79 | PD18 — General-purpose I/O / PWM |
| Pino 80 | PD19 — General-purpose I/O / PWM |
| Pino 81 | PD20 — General-purpose I/O / PWM |
| Pino 82 | PD21 — General-purpose I/O / PWM |
| Pino 83 | PD22 — General-purpose I/O / PWM |
| Pino 84 | PD23 — General-purpose I/O / PWM |
| Pino 85 | PD24 — General-purpose I/O / PWM |
| Pino 86 | PD25 — General-purpose I/O / PWM |
| Pino 87 | PD26 — General-purpose I/O / PWM |
| Pino 88 | PD27 — General-purpose I/O / PWM |
| Pino 89 | PD28 — General-purpose I/O / PWM |
| Pino 90 | PD29 — General-purpose I/O / PWM |
| Pino 91 | PD30 — General-purpose I/O / PWM |
| Pino 92 | PD31 — General-purpose I/O / PWM |
| Pino 93 | PA16 — General-purpose I/O |
| Pino 94 | PA17 — General-purpose I/O |
| Pino 95 | PA18 — General-purpose I/O / XOUT |
| Pino 96 | PA19 — General-purpose I/O / XIN |
| Pino 97 | NRST — Reset (active low) |
| Pino 98 | TDI — JTAG Test Data In |
| Pino 99 | TMS — JTAG Test Mode Select |
| Pino 100 | TCK — JTAG Test Clock |
Aplicações típicas
ATSAM4SD16CA-AN é adequado para 6 aplicaçãos: Industrial Control and HMI, Smart Energy Metering, USB Peripherals and HID Devices, Motor Control (BLDC / PMSM), Building Automation Controllers, Connected IoT Edge Nodes.
Industrial Control and HMI
The ATSAM4SD16CA-AN's 120 MHz Cortex-M4 core with FPU and DSP instructions handles real-time PID loops, machine vision pre-processing, and multi-axis motor coordination in industrial PLCs and CNC machines. Its 1 MB dual-bank Flash supports complex ladder-logic or IEC 61131-3 runtimes, while 160 KB SRAM holds sensor data buffers without external memory. The wide 1.62-3.6V supply and -40C to +85C industrial grade allow deployment in factory cabinets. USB Full-Speed and CAN connectivity integrate with operator panels and industrial fieldbuses. Hardware AES/SHA/TRNG accelerates secure OPC UA or Modbus-TCP communications.
Recomendado
Smart Energy Metering
In single- and three-phase smart meters, the ATSAM4SD16CA-AN provides the computational throughput for real-time FFT-based harmonic analysis, metrology algorithms, and tamper detection. Its 12-bit ADC with up to 24 channels digitizes voltage and current CT/ shunt inputs simultaneously with DMA-driven sampling. The hardware cryptographic engine accelerates DLMS/COSEM and TLS 1.2 sessions for AMI backhaul, while the dual-bank Flash supports secure OTA firmware updates mandated by utility regulations. The wide -40C to +85C operating range covers outdoor meter enclosures.
Recomendado
USB Peripherals and HID Devices
The ATSAM4SD16CA-AN integrates a USB 2.0 Full-Speed device/host controller with on-chip transceiver, eliminating external PHY cost in HID input devices, POS terminals, and USB measurement instruments. The 160 KB SRAM holds USB descriptor stacks plus application buffers; 1 MB Flash supports multi-page USB bootloader and composite device firmware. Up to 79 I/O accommodate matrix key-scans, indicator LEDs, and auxiliary UART/SPI sensors. The Cortex-M4 FPU speeds HID descriptor parsing and custom protocol stacks.
Recomendado
Motor Control (BLDC / PMSM)
Field-oriented control (FOC) of three-phase BLDC and PMSM motors demands deterministic PWM timing and fast current-loop math. The ATSAM4SD16CA-AN delivers this through its 16-bit PWM controller with hardware dead-time insertion, 12-bit ADC synchronized to PWM edges, and Cortex-M4 DSP instructions running Clarke/Park transforms and SVPWM at full 120 MHz. Hardware Q31 math eliminates fixed-point overflow risk. The Event System routes ADC end-of-conversion to DMA for jitter-free sampling, while CAN and UART provide the industrial feedback channel for servo drives.
Recomendado
Building Automation Controllers
Building automation hubs (BACnet, KNX, DALI gateways) run multiple protocol stacks simultaneously while serving touch-screen HMI and cloud uplinks. The ATSAM4SD16CA-AN's 1 MB Flash stores BACnet/KNX/DALI stacks plus application logic, while 160 KB SRAM holds TCP/TLS buffers for cloud MQTT connections. Dual-bank Flash enables fail-safe OTA upgrades critical for deployed building systems. RS-485 UART, CAN, and SPI peripherals connect to sensor networks; the hardware AES engine secures TLS sessions to cloud services.
Recomendado
Connected IoT Edge Nodes
Edge IoT devices running TensorFlow Lite Micro, CMSIS-NN, or custom sensor-fusion models benefit from the ATSAM4SD16CA-AN's Cortex-M4 DSP instructions and FPU, which accelerate inference at 120 MHz. The hardware AES/SHA/TRNG secures TLS 1.3 handshakes to cloud platforms, while 1 MB dual-bank Flash supports signed OTA updates for fleet management. Low-power SleepWalking peripherals allow battery-powered sensor nodes; the 79 I/O lines accommodate multi-sensor fusion boards. SPI and I2C interfaces connect to MEMS accelerometers, environmental sensors, and BLE/WiFi companion modules.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para ATSAM4SD16CA-AN — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | ATSAM4S16CA-AN | ATSAM4SA16CA-AN | ATSAM4S8CA-AN | ATSAM4S2CA-AN |
|---|---|---|---|---|---|
| Package | 100-LQFP (14x14 mm) | 100-LQFP - same | 100-LQFP - same | 100-LQFP - same | 100-LQFP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | Cortex-M4F @ 120 MHz | Cortex-M4F @ 120 MHz | Cortex-M4F @ 120 MHz | Cortex-M4F @ 120 MHz | Cortex-M4F @ 120 MHz |
| Flash | 1 MB dual-bank | 1 MB single-bank | 1 MB | 512 KB | 128 KB |
| SRAM | 160 KB | 128 KB | 128 KB | 128 KB | 64 KB |
| Cryptographic Accelerator | Yes (AES/SHA/TRNG) | Yes (AES/SHA/TRNG) | No | Yes (AES/SHA/TRNG) | Yes (AES/SHA/TRNG) |
| USB | USB 2.0 Full-Speed | USB 2.0 Full-Speed | USB 2.0 Full-Speed | USB 2.0 Full-Speed | USB 2.0 Full-Speed |
| Operating Voltage | 1.62 V to 3.6 V | 1.62 V to 3.6 V | 1.62 V to 3.6 V | 1.62 V to 3.6 V | 1.62 V to 3.6 V |
| Approx. Qty-1000 Price | $7.95 | $7.20 | $7.40 | $6.10 | $5.40 |
Principais diferenciais
- Largest SRAM in SAM4S family (vs ATSAM4S16CA-AN)
- Dual-bank Flash for safe OTA updates (vs ATSAM4SA16CA-AN)
- Best price/performance for 1 MB Flash tier (vs ATSAM4S16CA-AN)
Notas de projeto
Place a 100 nF X7R 0402 decoupling capacitor within 2 mm of every VDDIO/VDDIN pin pair. Add a single 4.7 uF X5R bulk capacitor on the main 3.3V rail near the VDDIN pin. The 32.768 kHz low-frequency crystal (XIN/XOUT, pins 95-96) requires a load capacitor pair matched to the crystal's CL specification (typically 12-18 pF); keep traces short and guard the crystal with a ground ring to reduce EMI.
At full 120 MHz operation with all peripherals active, the ATSAM4SD16CA-AN typically dissipates ~150 mW. The 100-LQFP package has theta_JA of approximately 50 C/W, yielding a 7.5 C rise above ambient - well within the -40C to +85C industrial range. Estimated: at ambient 70 C the junction reaches ~78 C. For high-temperature environments above 70 C ambient, add thermal vias under the center pad ground connection.
The ATSAM4SD16CA-AN's NRST pin (pin 97) is bidirectional; in noisy environments add an external 10 kohm pull-up and 100 nF capacitor to ground for a robust reset. Do not enable the USB controller without first configuring the 3.3V USB transceiver supply (UVBUS pin) - leaving it floating can cause latch-up. When using dual-bank Flash for IAP, ensure your linker script places the bootloader in bank 0 with a lockable write-protect region.
Informações de conformidade
RoHS compliant and lead-free per Microchip product page. Industrial temperature grade (-40C to +85C). MSL Level 3 - moisture handling required per IPC/JEDEC J-STD-033 after opening MBB. Not AEC-Q100 qualified; for automotive designs use ATSAM4S46C44 or SAM V71 family.