ATSAM4SA16CA-CU - 120MHz Cortex-M4 MCU 1MB Flash | Microchip
MPN: ATSAM4SA16CA-CU ✓ فعالATSAM4SA16CA-CU نمای کلی
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (typically Flash), working memory (SRAM), and peripherals such as timers, ADC/DAC, communication controllers, and GPIO. MCUs belong to the embedded systems hierarchy: MCU -> microcontroller -> embedded processor -> semiconductor IC. Cortex-M class MCUs are designed for deterministic interrupt-driven firmware, deterministic interrupt latency, and ultra-low power operation, and they dominate consumer, industrial, and IoT applications due to their energy efficiency and broad toolchain support.
Key features of the ATSAM4SA16CA-CU include the high-performance 120 MHz Cortex-M4 core with DSP extensions, 1 MB on-chip Flash for code and data, 160 KB SRAM, 79 general-purpose I/O lines, and a multilayer bus matrix with multi-channel DMA for high data-rate communication. The peripheral set comprises USB 2.0 Full-Speed, up to four UART/USART, three TWI (I2C), two SPI, one HS-SPI, an EMAC 10/100 Ethernet MAC, PWM, 12-bit ADC, 12-bit DAC, and external bus interface supporting 8-bit data with 24-bit address bus width.
The SAM4S architecture leverages a multi-layer AHB/APB bus matrix that allows simultaneous master access from the CPU, DMA controller, and peripherals, eliminating contention. The peripheral DMA controller (PDC) and dedicated DMA channels feed high-bandwidth interfaces such as Ethernet and HS-SPI without CPU intervention, enabling deterministic real-time response in motor control and communication gateway designs.
Typical applications include industrial automation controllers, building automation gateways, smart energy metering, POS terminals, USB peripherals, motor control (BLDC/PMSM), and embedded connectivity nodes. Pin-to-pin compatibility with SAM3N, SAM3S (64- and 100-pin), and SAM7S legacy products enables smooth upward migration without PCB rework.
When designing with the ATSAM4SA16CA-CU, verify that the 100-pin TFBGA PCB layout uses microvia-compatible stack-up, since the 0.8 mm ball pitch requires advanced assembly processes. Plan decoupling with 100 nF per power pin cluster and a 4.7 uF bulk capacitor per supply rail to suppress switching transients.
This page synthesizes distributor pricing, pin-to-pin compatible drop-in alternatives, and PCB design guidance not consolidated in the manufacturer datasheet.
جایگزین‌های drop-in برای ATSAM4SA16CA-CU — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
گونه‌ها در این سری
مدل‌های هم‌سری که جایگزین مستقیم هستند برای ATSAM4SA16CA-CU (همان فرم‌فاکتور و فوت‌پرینت) — متفاوت در Package, RoHS Status, CAN, ADC, Core.
ATSAM4SA16CA-AUR
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشدهبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←ATSAM4SA16CA-ANR
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشدهبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←ATSAM4SA16BB-ANR
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشدهبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←ATSAM4SA16BA-AUR
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشدهبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←ATSAM4S16CB-CFN
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشدهبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←ATSAM4S8CB-CFN
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشدهبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←ATSAM4S8CB-CFNR
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشدهبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←ATSAM4SA16CA-CU حداکثر مقادیر مجاز و مشخصات الکتریکی
| Core Architecture | ARM Cortex-M4 with FPU and DSP |
| Bit Width | 32-bit |
| Maximum CPU Frequency | 120 MHz |
| Program Memory (Flash) | 1 MB (1024 KB) |
| SRAM | 160 KB |
| Instruction Cache | 2 KB |
| MPU (Memory Protection Unit) | Yes |
| GPIO Lines | 79 |
| بسته‌بندی | 100-pin TFBGA (9x9 mm) |
| نوع نصب | Surface Mount |
| دمای کاری | -40C to +85C (Industrial) |
| ولتاژ تغذیه | 1.2 V core / 3.3 V I/O (typical) |
| External Bus Interface | 8-bit data, 24-bit address |
| ADC Resolution | 12-bit |
| DAC Resolution | 12-bit |
| DMA Channels | Multi-channel DMA + Peripheral DMA Controller (PDC) |
| Communication Interfaces | USB 2.0 FS, EMAC 10/100, 4x USART, 3x TWI, 2x SPI, 1x HS-SPI |
| Instruction Set | Thumb-2, DSP extensions |
| وضعیت RoHS | Compliant |
| Pin-to-Pin Compatibility | SAM3N, SAM3S (64/100-pin), SAM7S legacy |
راهنمای پیکربندی پین ATSAM4SA16CA-CU 100-pin tfbga (9x9 mm)
پیکربندی پین برای ATSAM4SA16CA-CU (پکیج 100-pin tfbga (9x9 mm)). این IC دیجیتال شامل GPIO، رابط‌های ارتباطی (UART، SPI، I2C) و پین‌های تغذیه است. برای عملکردهای جایگزین پین و گزینه‌های پیکربندی به دیتاشیت سازنده مراجعه کنید. ضروری برای طراحی سیستم‌های نهفته و چیدمان PCB.
داده پین‌آوت تفصیلی موجود نیست برای ATSAM4SA16CA-CU.
به دیتاشیت برای پیکربندی کامل پین‌ها.
کاربردهای معمول
ATSAM4SA16CA-CU مناسب است برای 6 کاربردs: Industrial Automation Controllers, USB Peripherals and HID Devices, Smart Energy Meters and Gateways, POS Terminals and Payment Devices, Motor Control (BLDC/PMSM) Drives, Building Automation Gateways.
Industrial Automation Controllers
The ATSAM4SA16CA-CU is well suited for industrial PLC and HMI controllers thanks to its 120 MHz Cortex-M4 with DSP extensions, which provides the computational headroom for PID loops and fieldbus protocol stacks. The 1 MB Flash accommodates full IEC 61131-3 runtime plus user logic, while 160 KB SRAM handles Ethernet and CAN buffering without dropping packets. Industrial-grade -40C to +85C operation plus 79 GPIO support 24V optically-isolated inputs and relay outputs. The peripheral DMA controller (PDC) offloads high-speed communication such as 10/100 Ethernet MAC, allowing deterministic response in multi-axis motion systems.
پیشنهادی
USB Peripherals and HID Devices
The ATSAM4SA16CA-CU integrates USB 2.0 Full-Speed device/host/OTG controllers suitable for barcode scanners, custom HID peripherals, and data loggers. Its 120 MHz Cortex-M4 plus DSP instructions allow on-the-fly data compression, while 1 MB Flash holds USB class drivers and application firmware. The 160 KB SRAM is sufficient for USB endpoint buffering plus protocol state machines. With 79 GPIO and multiple USART/SPI ports, designers can simultaneously support USB plus auxiliary sensors or displays without external bus-expanders.
پیشنهادی
Smart Energy Meters and Gateways
The ATSAM4SA16CA-CU fits single-phase and poly-phase smart electricity meter designs, where 12-bit ADC accuracy and DSP extensions enable real-time power-quality calculations. The integrated 10/100 EMAC supports HAN (Home Area Network) connectivity to AMI concentrators, while the 1 MB Flash stores metrology library plus DLMS/COSEM protocol stack. The multilayer bus matrix and DMA controller handle simultaneous sampling of voltage/current channels without jitter. Industrial -40C to +85C operation tolerates outdoor meter enclosure thermal stress.
پیشنهادی
POS Terminals and Payment Devices
The ATSAM4SA16CA-CU drives POS terminal designs combining secure PIN entry, contactless card readers, and TCP/IP network connectivity. The Cortex-M4 with hardware FPU accelerates RSA and ECC cryptographic operations for payment transaction security, while 1 MB Flash holds firmware plus EMVCo level 2 libraries. USB 2.0 Full-Speed, multiple USART, and SPI ports connect to printers, NFC readers, and secure modules. The 100-pin TFBGA package minimizes PCB footprint for compact handheld POS form factors.
پیشنهادی
Motor Control (BLDC/PMSM) Drives
The ATSAM4SA16CA-CU drives sensorless and sensored BLDC/PMSM motor controllers using its Cortex-M4 DSP extensions for Park/Clarke transforms and field-oriented control (FOC) algorithms. PWM outputs from the motor-control peripheral generate complementary 3-phase gate drive signals with hardware dead-time insertion. 12-bit ADC with multi-channel DMA sampling current and back-EMF inputs simultaneously at high PWM rates. Industrial -40C to +85C and 79 GPIO allow direct connection to gate drivers, Hall sensors, and encoder feedback.
پیشنهادی
Building Automation Gateways
The ATSAM4SA16CA-CU builds BACnet, Modbus, or KNX building automation gateways interfacing HVAC, lighting, and access-control subsystems. Its 10/100 EMAC plus four USART and three TWI (I2C) buses connect to multiple fieldbus segments concurrently, while the 1 MB Flash stores gateway routing tables and web configuration interfaces. The Cortex-M4 at 120 MHz runs the full TCP/IP stack plus TLS/DTLS without external network processors. The 100-pin TFBGA supports compact DIN-rail gateway enclosures with extended -40C to +85C industrial temperature range.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای ATSAM4SA16CA-CU — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | ATSAM4SA16CA-AUR | ATSAM4SA16CA-ANR | ATSAM4SA16BB-ANR | ATSAM4SA16BA-AUR | ATSAM4S16CB-CFN | ATSAM4S8CB-CFN | ATSAM4S8CB-CFNR |
|---|---|---|---|---|---|---|---|---|
| Package | 100-pin TFBGA (9x9 mm) | LQFP-64 | LQFP-64 | LQFP-64 | LQFP-64 | LQFP-100 | LQFP-100 | LQFP-100 |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | ARM Cortex-M4 120 MHz | ARM Cortex-M4 120 MHz | ARM Cortex-M4 120 MHz | ARM Cortex-M4 120 MHz | ARM Cortex-M4 120 MHz | ARM Cortex-M4 120 MHz | ARM Cortex-M4 120 MHz | ARM Cortex-M4 120 MHz |
| Flash | 1 MB | 1 MB | 1 MB | 1 MB | 1 MB | 1 MB | 512 KB | 512 KB |
| SRAM | 160 KB | 160 KB | 160 KB | 160 KB | 160 KB | 160 KB | 128 KB | 128 KB |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| USB 2.0 FS | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Ethernet MAC | 10/100 EMAC | 10/100 EMAC | 10/100 EMAC | 10/100 EMAC | 10/100 EMAC | 10/100 EMAC | 10/100 EMAC | 10/100 EMAC |
| Pin-to-Pin Compatible | Reference (SAM4S family) | No (LQFP-64 vs TFBGA-100) | No (LQFP-64 vs TFBGA-100) | No (LQFP-64 vs TFBGA-100) | No (LQFP-64 vs TFBGA-100) | No (LQFP-100 vs TFBGA-100) | No (LQFP-100 vs TFBGA-100) | No (LQFP-100 vs TFBGA-100) |
تفاوت‌های کلیدی
- Largest Flash density in SAM4S 100-pin TFBGA family (در مقابلATSAM4S8CB-CFN)
- TFBGA package for compact PCB layouts (در مقابلATSAM4S16CB-CFN)
- Pin-to-pin compatible with SAM3S migration path (در مقابلATSAM4SA16CA-AUR)
یادداشت‌های طراحی
The 100-pin TFBGA package uses 0.8 mm ball pitch and requires a PCB stack-up with microvias and 0.4 mm or smaller trace/spacing rules. Estimated: standard 4-layer 1 oz copper FR-4 with 0.2 mm laser-drilled microvias is sufficient for production assembly per IPC-7093 design guidelines. Plan for X-ray inspection during prototyping to verify BGA solder joint quality, since visual inspection of 0.8 mm pitch BGA is impractical.
Place 100 nF X7R ceramic decoupling capacitors within 2 mm of each VDD/VDDIO power pin pair, plus a 4.7 uF bulk capacitor per supply rail. Estimated: with 120 MHz operation and 79 GPIO toggling simultaneously, peak transient current reaches approximately 150 mA, requiring low-impedance power distribution. Use a ground flood on the top layer stitched to the internal ground plane with 0.5 mm via arrays every 5 mm for low inductance return paths.
Verify the silicon revision before firmware development. The ATSAM4SA16CA-CU is revision A silicon, while ATSAM4SA16BA/B is revision B. According to Microchip errata documents, revision A has known issues that revision B corrects, particularly around USB DMA and EMAC operation. Plan for migration to revision B in new designs to avoid field-update risk. Boot pins and JTAG/SWD interfaces require 10 kohm pull-ups on NRST and pull-downs on TST for normal operation.
Keep the 25 MHz external crystal within 5 mm of the XIN/XOUT pins with a continuous ground reference plane underneath. Estimated: trace impedance mismatch or excessive loading capacitance will cause crystal startup failures and frequency drift at temperature extremes. Use guarded routing for the USB DP/DM differential pair with 90 ohm differential impedance and length matching within 150 mil. Place the 33 ohm series termination resistors within 5 mm of the MCU pins.
اطلاعات انطباق
RoHS compliant per Microchip product page. Industrial -40C to +85C temperature range. Not AEC-Q100 qualified - choose SAM V71/V70/SAM E70 automotive variants for AEC-Q100 requirements.