ATSAM4SD32CA-CFU - 120MHz Cortex-M4 MCU, 2MB Flash | Microchip
部品番号: ATSAM4SD32CA-CFU ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $12.9 | $12.90 |
| 10 | $11.61 | $116.10 |
| 100 | $10.32 | $1,032.00 |
| 500 | $9.03 | $4,515.00 |
| 1,000 | $7.74 | $7,740.00 |
ATSAM4SD32CA-CFU 概要
A Cortex-M4 microcontroller is a 32-bit processor core based on the ARMv7-M architecture that combines deterministic interrupt response with DSP extensions (single-cycle MAC) and an optional single-precision FPU. Within the broader taxonomy, this places the SAM4S family under the MCU > microcontroller > embedded processor > semiconductor hierarchy. The Cortex-M4 lineage was introduced by ARM in 2010 to target mixed signal control and DSP workloads, and Microchip's SAM4S implementation layers a rich peripheral set and low-power modes around the core for industrial, consumer, and IoT applications.
Key features include a 1.25 DMIPS/MHz core with hardware multiplier and single-cycle MAC, dual-bank Flash with security bit and 128-bit unique ID, multi-layer AHB bus matrix, and the SAM4S Peripheral Event System for low-latency hardware-triggered tasks. The device supports 1.62V to 3.6V operation with an integrated voltage regulator, and offers Sleep, Wait, and Backup modes with fast wake-up for power-constrained designs. The 12-bit ADC reaches up to 1 Msps and pairs well with the chip's hardware-triggered timers.
Typical applications include industrial automation and PLC I/O, USB peripherals, CAN-based automotive body and automotive clusters, smart energy metering (smart meters), consumer audio and human-machine interface panels, and home automation gateways. The wide memory configuration (2MB Flash + 160KB SRAM) also fits well into embedded Linux-adjacent workloads such as gateway firmware, secure boot, and OTA upgrade handlers.
When designing with this part, ensure PCB layout routes the VFBGA 0.65 mm pitch on inner layers with appropriate microvia stackups and provides a solid GND plane under the exposed die pad for thermal dissipation. The integrated voltage regulator requires a 10 uF bulk capacitor on VDDOUT, and decoupling must follow Microchip's SAM4S hardware design guide.
ドロップイン代替品: ATSAM4SD32CA-CFU — 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: ATSAM4SD32CA-CFU （同一形状・フットプリント） — 相違点: ADC, Operating Temperature, Package, Core Architecture, Program Memory (Flash).
クイック比較ツール — 並列比較する代替部品を選択:
ATSAM4S16CB-CFNR
✅ ドロップイン📋 参考代替品（カタログ未掲載）
ATSAM4S8CB-CFNR
✅ ドロップイン✓ 在庫あり
$6.85 / 個
データシートを見る →ATSAM4SD16CB-CFNR
✅ ドロップイン✓ 在庫あり
$6.12 / 個
データシートを見る →ATSAM4SD32CA-CFU 最大定格＆電気的特性
| Core Architecture | ARM Cortex-M4 |
| Core Bit Width | 32-bit |
| 最大クロック周波数 | 120 MHz |
| Program Memory (Flash) | 2 MB (2048 KB) |
| Data Memory (SRAM) | 160 KB |
| パッケージ | 100-pin VFBGA (7x7 mm, 0.65 mm pitch) |
| Operating Voltage Range | 1.62 V to 3.6 V |
| USB Interface | USB 2.0 Full-Speed Device/Host/OTG |
| CAN Controllers | 2 (CAN 2.0A/B) |
| ADC | 12-bit, up to 1 Msps |
| External Bus Interface (EBI) | Yes |
| Supply Voltage (typical) | 1.2 V core / 3.3 V I/O |
| 動作温度 | -40 C to +85 C (industrial) |
| RoHS ステータス | Compliant |
| 実装タイプ | Surface Mount |
| MSLレベル | 3 |
ATSAM4SD32CA-CFU ピン構成
| ピン A1 | VDDIO — I/O supply voltage |
| ピン A2 | PA0 — GPIO / peripheral function |
| ピン A3 | PA1 — GPIO / peripheral function |
| ピン A4 | PA2 — GPIO / peripheral function |
| ピン A5 | PA3 — GPIO / peripheral function |
| ピン A6 | PA4 — GPIO / peripheral function |
| ピン A7 | PA5 — GPIO / peripheral function |
| ピン A8 | PA6 — GPIO / peripheral function |
| ピン A9 | PA7 — GPIO / peripheral function |
| ピン A10 | VDDIO — I/O supply voltage |
| ピン B1 | VDDIO — I/O supply voltage |
| ピン B2 | PB0 — GPIO / peripheral function |
| ピン B3 | PB1 — GPIO / peripheral function |
| ピン B4 | PB2 — GPIO / peripheral function |
| ピン B5 | PB3 — GPIO / peripheral function |
| ピン B6 | PB4 — GPIO / peripheral function |
| ピン B7 | PB5 — GPIO / peripheral function |
| ピン B8 | PB6 — GPIO / peripheral function |
| ピン B9 | PB7 — GPIO / peripheral function |
| ピン B10 | GND — Ground |
主な用途
ATSAM4SD32CA-CFU の用途: 6 件s: Industrial Automation & PLC I/O, USB Peripherals & HID Devices, CAN-Based Automotive Body & Cluster Modules, Smart Energy Metering & Smart Grid Gateways, Consumer Audio & Human-Machine Interface Panels, Home Automation & IoT Gateways.
Industrial Automation & PLC I/O
The ATSAM4SD32CA-CFU fits industrial automation and PLC I/O modules because its 120 MHz Cortex-M4 core delivers 1.25 DMIPS/MHz, sufficient for deterministic scan loops, while the 2 MB Flash holds IEC 61131-3 runtime plus bootloader plus OTA staging. The dual CAN 2.0A/B controllers, three TWI, and multiple USARTs natively cover fieldbus, Modbus, and HMI expansion without an external bus IC. The 12-bit ADC up to 1 Msps is well-suited for analog sensor conditioning, and the -40 C to +85 C industrial temperature range matches cabinet environments. Designers should leverage the SAM4S Peripheral Event System for sub-microsecond deterministic I/O triggering in motion-control loops.
おすすめ
USB Peripherals & HID Devices
The ATSAM4SD32CA-CFU integrates a USB 2.0 Full-Speed Device/Host/OTG controller with on-chip transceivers, removing the need for an external PHY and enabling compact USB peripherals such as HID input devices, USB audio interfaces, USB-to-CAN gateways, and USB data loggers. The 120 MHz core and 160 KB SRAM support USB isochronous endpoints with low jitter, while the 2 MB Flash comfortably stores USB class firmware stacks (HID, CDC, MSD, audio) alongside bootloaders and OEM descriptors. The Peripheral DMA Controller offloads bulk transfers, freeing CPU cycles for application processing, and the 3.3 V I/O range connects directly to USB VBUS through a regulator.
おすすめ
CAN-Based Automotive Body & Cluster Modules
The ATSAM4SD32CA-CFU's dual CAN 2.0A/B controllers make it a natural fit for automotive body controllers, instrument clusters, and CAN gateway nodes that need to bridge powertrain, body, and chassis networks. The Cortex-M4 with single-cycle MAC handles CAN message filtering, diagnostic services (UDS/KWP2000), and cluster rendering in parallel, while 2 MB Flash stores graphics assets, calibration data, and bootloader images. The -40 C to +85 C industrial range covers most cabin environments, though AEC-Q100 automotive grade is not explicitly listed on this part. Pair with an external CAN transceiver such as the MCP2551 or TJA1050 for physical-layer connectivity.
おすすめ
Smart Energy Metering & Smart Grid Gateways
The ATSAM4SD32CA-CFU suits smart electricity meters, water/gas meter data concentrators, and smart-grid gateways that demand both deterministic real-time performance and rich connectivity. The Cortex-M4 core's DSP extensions accelerate real-time DSP routines for power-quality analysis (THD, RMS, harmonic extraction) while the 12-bit ADC samples voltage and current CT channels at 1 Msps. The 160 KB SRAM buffers measurement frames, and 2 MB Flash holds DLMS/COSEM protocol stacks, TLS libraries, and OTA firmware. Dual CAN and multiple UARTs interface with metrology front-ends, PLC modems, and RF sub-GHz modules for AMR/AMI deployments.
おすすめ
Consumer Audio & Human-Machine Interface Panels
The ATSAM4SD32CA-CFU targets consumer audio devices and HMI panels because its 120 MHz Cortex-M4 can drive TFT LCD panels through the external bus interface, decode compressed audio over I2S, and run capacitive-touch sensing on GPIOs without a separate touch controller. The 2 MB Flash comfortably stores audio samples, multilingual UI strings, and graphics bitmaps for 320x240 to 800x480 panels, while 160 KB SRAM holds frame buffers. The integrated USB Full-Speed enables firmware updates and audio streaming from a host PC, and the low-power Wait mode drops consumption for battery-powered remote panels.
おすすめ
Home Automation & IoT Gateways
The ATSAM4SD32CA-CFU is a strong fit for home automation gateways, smart thermostats, and IoT edge nodes because it combines multiple wired interfaces (USB, dual CAN, three TWI, multiple USARTs) with low-power modes that drop quiescent current into the microamp range during standby. The Cortex-M4 core runs TLS, MQTT, and Zigbee/Thread host stacks concurrently, while 2 MB Flash hosts the application image plus secure-bootloader and OTA staging partitions. The 128-bit unique ID supports per-device key provisioning for secure commissioning, and the 100-pin VFBGA footprint keeps the BOM compact for wall-mounted or tabletop enclosures.
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: ATSAM4SD32CA-CFU — 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 | ATSAM4SD32CA-AUR | ATSAM4S16CB-CFNR | ATSAM4S8CB-CFNR | ATSAM4SD16CB-CFNR | ATSAM4SD32BB-MNR |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 100-pin VFBGA (7x7 mm) | 100-pin LQFP (different footprint) | 100-pin VFBGA (7x7 mm) - same | 100-pin VFBGA (7x7 mm) - same | 100-pin VFBGA (7x7 mm) - same | 64-pin QFN (different footprint) |
| Core | ARM Cortex-M4 | ARM Cortex-M4 | ARM Cortex-M4 | ARM Cortex-M4 | ARM Cortex-M4 | ARM Cortex-M4 |
| Max Clock Frequency | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz |
| Flash Memory | 2 MB | 2 MB | 1 MB | 512 KB | 1 MB | 2 MB |
| SRAM | 160 KB | 160 KB | 128 KB | 128 KB | 128 KB | 160 KB |
| USB | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG |
| CAN Controllers | 2 | 2 | 2 | 2 | 2 | 1 |
主な差別化要因
- Highest Flash density in the SAM4S VFBGA-100 family （vs ATSAM4S16CB-CFNR)
- Compact 7x7 mm VFBGA footprint vs LQFP （vs ATSAM4SD32CA-AUR)
- Dual CAN controllers for gateway designs （vs ATSAM4SD32BB-MNR)
設計ノート
The 100-pin VFBGA (7x7 mm) package has a 0.65 mm ball pitch requiring microvia stackups on inner layers. Use laser-drilled microvias with 0.4 mm capture pads and route signal traces on the top layer only when possible. Place a solid GND plane on layer 2 directly under the package to provide thermal dissipation and a low-impedance return path for high-speed USB and CAN signals.
Place a 10 uF X7R ceramic bulk capacitor within 5 mm of the VDDOUT pin that powers the internal 1.2 V regulator. Decouple every VDDIO pin with 100 nF X7R placed within 2 mm of the pin. The SAM4S hardware design guide recommends a 4.7 uF capacitor on the VDDPLL supply to minimize PLL jitter on the 120 MHz system clock.
Do not leave the JTAG pins TCK, TMS, TDI, TDO floating during production - they will draw extra current and may inadvertently enter debug mode. Either pull TCK low or enable the internal pull-ups in the WPMC and PIO controllers during board bring-up. Also ensure the NRST pin has a 10 kohm pull-up and 100 nF capacitor per the reference design; missing this capacitor causes brown-out reset failures.
USB DP/DM traces must be 90 ohm differential with respect to GND, length-matched to within 2 mm, and routed over a continuous ground plane to meet USB 2.0 Full-Speed compliance. CANH/CANL traces similarly require 120 ohm characteristic impedance and a common-mode choke near the transceiver for automotive EMC robustness. Keep high-speed signals away from the ADC analog inputs to avoid digital switching noise coupling.
コンプライアンス情報
RoHS and REACH compliant per Microchip product page. AEC-Q100 automotive grade is not explicitly qualified for this part; for AEC-Q100 automotive applications, consult Microchip's automotive-grade SAM V71/V70/S70 family.
