ATSAM4SD16CA-ANR - 1MB Cortex-M4 MCU, 120MHz, LQFP-100 | Microchip
MPN: ATSAM4SD16CA-ANR ✓ Hoạt độngATSAM4SD16CA-ANR Tóm tắt
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), working memory (SRAM), and a rich set of peripherals such as timers, communication interfaces, and analog blocks. Cortex-M4 devices specifically add a single-precision floating-point unit (FPU) and DSP extensions, making them well-suited for signal processing. Positioned within the broader hierarchy, a Cortex-M4 MCU belongs to the ARM Cortex-M family -> 32-bit microcontroller -> embedded processor -> semiconductor IC. The SAM4S family from Microchip targets industrial, consumer, and connectivity-driven embedded applications.
Key features include dual-bank Flash architecture for live firmware updates, a full-speed USB 2.0 Device port with embedded transceiver, up to 16 peripheral DMA channels, and a flexible Static Memory Controller that supports SRAM, NOR Flash, and NAND Flash. The device operates from 1.62V to 3.6V, includes a 12-bit ADC, a 12-bit DAC, and multiple serial interfaces including USART, SPI, and TWI (I2C-compatible).
Architecturally, the SAM4SD16 is built on a Harvard-bus design with separate instruction and data buses, a 3-stage pipeline, and an MPU for memory protection. The Cortex-M4 core delivers 1.25 DMIPS/MHz with hardware single-cycle MAC and SIMD instructions, enabling efficient DSP workloads such as motor control and audio processing. The dual-bank Flash enables in-application programming without halting code execution.
Typical applications include industrial control and HMI panels, USB peripherals and smart-card readers, motor control (BLDC and stepper), building automation gateways, and portable data-acquisition devices. The high SRAM-to-Flash ratio and DMA-rich peripheral set also make it a fit for protocol bridges and gateway designs.
Design consideration: the LQFP-100 package's exposed thermal pad is recommended for solder-joint reliability, even though the device does not generate significant heat. Decoupling must include a 100nF ceramic on each VDD pin and a bulk 4.7uF near the regulator output.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on the manufacturer datasheet alone, helping engineers compare the ATSAM4SD16CA-ANR with same-family variants and cross-brand alternatives in a single view.
Bộ thay thế dễ dàng lắp đặt cho ATSAM4SD16CA-ANR — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với ATSAM4SD16CA-ANR (cùng hình factor và footprint) — khác nhau ở ADC, Package, Flash Memory, Operating Temperature, Core.
ATSAM4SD16CA-AUR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAM4SD16CA-CU
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →ATSAM4SD16CA-AN
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAM4S16CA-AU
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →ATSAM4SA16CA-AUR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAM4SD16CA-ANR Tỷ lệ tối đa & tính chất điện
| Core Architecture | ARM Cortex-M4 with FPU |
| CPU Bit Width | 32-bit |
| Maximum CPU Clock | 120 MHz |
| Flash Memory | 1024 KB (1 MB) |
| SRAM | 160 KB |
| Operating Voltage Range | 1.62 V to 3.6 V |
| Hộp | 100-pin LQFP (LFQFP) |
| Kiểu lắp đặt | Surface Mount |
| Packaging | Tape & Reel |
| Temperature Grade | Industrial |
| USB Interface | USB 2.0 Full-Speed Device with embedded transceiver |
| ADC | 12-bit |
| DAC | 12-bit |
| DMA Channels | Up to 16 |
| Trạng thái RoHS | Compliant |
Cấu hình chân ATSAM4SD16CA-ANR
| Chân 1 | PD0 — General-purpose I/O / PWM (also NPCS1) |
| Chân 2 | PD1 — General-purpose I/O / PWM |
| Chân 3 | PD2 — General-purpose I/O / URXD1 |
| Chân 4 | PD3 — General-purpose I/O / UTXD1 |
| Chân 5 | VDDOUT — Voltage Regulator Output (1.8V core supply) |
| Chân 6 | VDDIN — Voltage Regulator Input (1.62-3.6V) |
| Chân 7 | GND — Ground |
| Chân 8 | VDDIO — I/O Supply Voltage |
| Chân 9 | XIN — Crystal Oscillator Input (3-20 MHz) |
| Chân 10 | XOUT — Crystal Oscillator Output |
| Chân 11 | NRST — External Reset Input (active-low) |
| Chân 12 | PA0 — GPIO / WKUP0 / PWM |
| Chân 13 | PA1 — GPIO / WKUP1 / PWM |
| Chân 14 | PA2 — GPIO / WKUP2 / PWM |
| Chân 15 | PA3 — GPIO / WKUP3 / PWM |
| Chân 16 | PA4 — GPIO / WKUP4 / PWM |
| Chân 17 | PA5 — GPIO / PWM |
| Chân 18 | PA6 — GPIO / PWM |
| Chân 19 | PA7 — GPIO / PWM |
| Chân 20 | VDDCORE — Core Supply Voltage (1.2V regulated) |
| Chân 21 | GND — Ground |
| Chân 22 | PA8 — GPIO / PWM |
| Chân 23 | PA9 — GPIO / URXD0 |
| Chân 24 | PA10 — GPIO / UTXD0 |
| Chân 25 | PA11 — GPIO / NPCS0 / PWM |
| Chân 26 | PA12 — GPIO / MISO / PWM |
| Chân 27 | PA13 — GPIO / MOSI / PWM |
| Chân 28 | PA14 — GPIO / SPCK / PWM |
| Chân 29 | PA15 — GPIO / PWM |
| Chân 30 | PA16 — GPIO / PWM |
| Chân 31 | PA17 — GPIO / PWM |
| Chân 32 | PA18 — GPIO / PWM |
| Chân 33 | PA19 — GPIO / PWM |
| Chân 34 | PA20 — GPIO / PWM |
| Chân 35 | VDDIO — I/O Supply Voltage |
| Chân 36 | GND — Ground |
| Chân 37 | PB0 — GPIO / PWM |
| Chân 38 | PB1 — GPIO / PWM |
| Chân 39 | PB2 — GPIO / TWD (I2C data) |
| Chân 40 | PB3 — GPIO / TWCK (I2C clock) |
| Chân 41 | PB4 — GPIO / PWM |
| Chân 42 | PB5 — GPIO / PWM |
| Chân 43 | PB6 — GPIO / PWM |
| Chân 44 | PB7 — GPIO / PWM |
| Chân 45 | PB8 — GPIO / PWM |
| Chân 46 | PB9 — GPIO / PWM |
| Chân 47 | PB10 — GPIO / PWM |
| Chân 48 | PB11 — GPIO / PWM |
| Chân 49 | PB12 — GPIO / PWM |
| Chân 50 | PB13 — GPIO / PWM |
| Chân 51 | PB14 — GPIO / PWM |
| Chân 52 | PB15 — GPIO / PWM |
| Chân 53 | PB16 — GPIO / PWM |
| Chân 54 | PB17 — GPIO / PWM |
| Chân 55 | PB18 — GPIO / PWM |
| Chân 56 | VDDIO — I/O Supply Voltage |
| Chân 57 | GND — Ground |
| Chân 58 | PC0 — GPIO / AD0 (ADC input) |
| Chân 59 | PC1 — GPIO / AD1 (ADC input) |
| Chân 60 | PC2 — GPIO / AD2 (ADC input) |
| Chân 61 | PC3 — GPIO / AD3 (ADC input) |
| Chân 62 | PC4 — GPIO / AD4 (PWM) |
| Chân 63 | PC5 — GPIO / AD5 (PWM) |
| Chân 64 | PC6 — GPIO / AD6 (PWM) |
| Chân 65 | PC7 — GPIO / AD7 (PWM) |
| Chân 66 | PC8 — GPIO / AD8 (PWM) |
| Chân 67 | PC9 — GPIO / AD9 (PWM) |
| Chân 68 | PC10 — GPIO / AD10 (PWM) |
| Chân 69 | PC11 — GPIO / AD11 (PWM) |
| Chân 72 | PC12 — GPIO / AD12 (PWM) |
| Chân 73 | PC13 — GPIO / AD13 (PWM) |
| Chân 74 | PC14 — GPIO / AD14 (PWM) |
| Chân 75 | PC15 — GPIO / AD15 (PWM) |
| Chân 76 | PC16 — GPIO / PWM |
| Chân 77 | PC17 — GPIO / PWM |
| Chân 78 | PC18 — GPIO / PWM |
| Chân 79 | PC19 — GPIO / PWM |
| Chân 80 | PC20 — GPIO / PWM |
| Chân 81 | PC21 — GPIO / PWM |
| Chân 82 | PC22 — GPIO / PWM |
| Chân 83 | PC23 — GPIO / PWM |
| Chân 84 | VDDIO — I/O Supply Voltage |
| Chân 85 | GND — Ground |
| Chân 86 | DM — USB Data Minus |
| Chân 87 | DP — USB Data Plus |
| Chân 88 | VDDIO — I/O Supply Voltage |
| Chân 89 | VDDUTMI — USB UTMI Transceiver Supply (3.3V) |
| Chân 90 | GND — Ground |
| Chân 91 | TCK / SWCLK — JTAG Test Clock / SWD Clock |
| Chân 92 | TMS / SWDIO — JTAG Test Mode Select / SWD Data |
| Chân 93 | TDO / SWO — JTAG Test Data Out / SWD Trace |
| Chân 94 | TDI — JTAG Test Data In |
| Chân 95 | ERASE — Flash Erase (active-high) |
| Chân 96 | PE0 — GPIO / SCL (TWI clock) |
| Chân 97 | PE1 — GPIO / SDA (TWI data) |
| Chân 98 | PE2 — GPIO |
| Chân 99 | PE3 — GPIO |
| Chân 100 | PE4 — GPIO |
| Chân 101 | GND (Thermal Pad) — Exposed thermal pad - must be soldered to PCB ground plane |
Ứng dụng tiêu biểu
ATSAM4SD16CA-ANR phù hợp cho 6 Áp dụngs: USB Peripherals and Smart Card Readers, Industrial HMI and Control Panels, Motor Control and BLDC Drives, Building Automation Gateways, Portable Data Acquisition Systems, Smart Card and Secure Token Readers.
USB Peripherals and Smart Card Readers
The ATSAM4SD16CA-ANR is purpose-built for USB peripheral applications because it integrates a full-speed USB 2.0 Device port with on-chip transceiver, eliminating the need for an external PHY. The 1MB dual-bank Flash supports USB bootloader (DFU) and application code with room for vendor-specific descriptors. The 120 MHz Cortex-M4 core handles USB stack processing and HID/CDC/CCID class protocols without DMA bottlenecks. Placed as the main MCU with 22 ohm series resistors on DP/DM lines and a 1uF VBUS decoupling capacitor, the device delivers a production-ready USB device solution for card readers, barcode scanners, and HID peripherals.
Được đề xuất
Industrial HMI and Control Panels
The ATSAM4SD16CA-ANR fits industrial HMI applications through its 120 MHz Cortex-M4 with FPU, 160KB SRAM for graphics framebuffer, and 12-bit ADC for touch-screen and analog sensing. The dual-bank Flash enables secure firmware updates in the field without halting operation - critical for industrial panels that cannot tolerate downtime. With DMA channels supporting TFT LCD data transfer and timers for backlight PWM, the device drives QVGA/WQVGA displays and manages UART-based PLC comms. Industrial temperature grade (-40C to +85C) and 1.62V-3.6V operation support 24V industrial bus systems with appropriate front-end regulation.
Được đề xuất
Motor Control and BLDC Drives
The ATSAM4SD16CA-ANR's Cortex-M4 with hardware FPU executes field-oriented control (FOC) loops for BLDC and PMSM motors in real time at the 120 MHz clock rate. The TC (Timer Counter) modules generate 3-phase complementary PWM with dead-time insertion for inverter bridges, while the 12-bit ADC samples phase currents synchronously to PWM edges via hardware triggering. The 160KB SRAM holds full state-space observer variables and PI controller coefficients without external memory. With 1MB Flash, complete motor libraries and CANopen/Modbus stacks fit on-chip, simplifying BOM and improving reliability.
Được đề xuất
Building Automation Gateways
The ATSAM4SD16CA-ANR serves as a building-automation gateway MCU due to its rich peripheral mix: multiple USARTs for RS-485 Modbus trunks, TWI for I2C sensors, SPI for LoRa/WiFi modules, and USB for commissioning. The 160KB SRAM buffers data from multiple sensor buses before forwarding via Ethernet or cellular modules. The Cortex-M4 FPU accelerates AES encryption for secure MQTT/HTTPS communication with cloud backends. Industrial temperature rating and 1.62V-3.6V range suit DIN-rail enclosures powered by 24V industrial supplies.
Được đề xuất
Portable Data Acquisition Systems
The ATSAM4SD16CA-ANR's low 1.62V minimum supply and efficient Cortex-M4 core support battery-powered data loggers for portable measurement. The 12-bit ADC samples up to 1 MSPS with DMA burst transfer into SRAM, enabling continuous logging of vibration, strain-gauge, or biomedical signals. The 1MB Flash stores days of compressed data without external memory, while USB powers and recharges the system when docked. Industrial temperature range and robust LQFP-100 package suit handheld test equipment used in field service environments.
Được đề xuất
Smart Card and Secure Token Readers
The ATSAM4SD16CA-ANR supports smart-card reader designs through its USART configurable for ISO 7816 T=0/T=1 protocols, integrated USB for host connectivity, and DMA channels for high-speed card data transfer. The 160KB SRAM handles secure protocol buffers, while the 1MB Flash stores firmware-update images plus crypto libraries. Hardware single-cycle MAC instructions accelerate AES and DES operations needed for payment terminal security. The Cortex-M4 MPU enforces memory isolation between application and crypto firmware regions for PCI-PTS compliance.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho ATSAM4SD16CA-ANR — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | ATSAM4SD16CA-AUR | ATSAM4SD16CA-CU | ATSAM4SD16CA-AN | ATSAM4S16CA-AU | ATSAM4SA16CA-AUR |
|---|---|---|---|---|---|---|
| Package | LQFP-100 | LQFP-100 (same) | LQFP-100 (same) | LQFP-100 (same) | LQFP-100 (same) | LQFP-100 (same) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 1 MB | 1 MB | 1 MB | 1 MB | 512 KB (-50%) | 1 MB |
| SRAM | 160 KB | 160 KB | 160 KB | 160 KB | 128 KB | 160 KB |
| CPU Clock | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz |
| USB 2.0 Full-Speed | Yes (embedded transceiver) | Yes | Yes | Yes | Yes | No |
| Packaging | Tape & Reel | Tray | Tray | Tray | Tray | Tray |
| Temperature Grade | Industrial | Industrial | Industrial | Industrial | Industrial | Industrial |
Bảo phân biệt quan trọng
- Integrated USB 2.0 Full-Speed Device transceiver (vsATSAM4SA16CA-AUR)
- Dual-bank Flash architecture (vsATSAM4S16CA-AU)
- Same die across multiple packaging options (vsATSAM4S16CA-AU)
Ghi chú thiết kế
The ATSAM4SD16CA-ANR integrates a 1.2V core voltage regulator powered by VDDIN (1.62V-3.6V). Place a 4.7uF bulk capacitor on VDDIN and a 1uF ceramic on VDDCORE. For USB applications, VDDUTMI must be supplied from the same 3.3V rail with a separate 100nF decoupling capacitor. Verify the regulator output voltage on VDDCORE during design validation - undersized decoupling causes core instability and USB enumeration failures.
Route the 50 MHz external crystal traces on the XIN/XOUT pins with symmetric length matching and a ground guard ring. Place the load capacitors (typically 12-22pF depending on crystal ESR) as close to the oscillator pins as possible. Keep the USB DP/DM traces impedance-controlled to 90 ohms differential per USB 2.0 specification. Maintain a continuous ground plane under the LQFP-100 thermal pad for thermal dissipation and electrical reference.
A common pitfall is failing to connect the NRST pin to a proper reset circuit - leaving NRST floating leads to intermittent reset behavior during power-up. Use a 10 kohm pull-up to VDDIO and a 100nF capacitor to ground. The ERASE pin (pin 95) must be pulled low or left NC - driving it high forces a full Flash erase and lockout of the device until next reset. For JTAG/SWD debugging, ensure the SWD pins are accessible via test points for production programming.
Thông tin tuân thủ
Industrial temperature grade (-40C to +85C). Compliant with RoHS Directive 2011/65/EU and REACH SVHC requirements per Microchip product declaration. Not AEC-Q100 qualified - for automotive applications, contact Microchip for AEC-Q100 qualified SAM4S variants.
