ATSAM4SA16CA-ANR - 120MHz Cortex-M4 MCU 1MB Flash | Microchip
MPN: ATSAM4SA16CA-ANR ✓ Hoạt độngATSAM4SA16CA-ANR Tóm tắt
A microcontroller (MCU) is an integrated circuit that combines a CPU core, program and data memory, peripherals, and I/O on a single die. Within the broader taxonomy, the ATSAM4SA16CA-ANR is an ARM Cortex-M4 microcontroller (32-bit MCU), which sits inside the embedded processor family, inside the semiconductor hierarchy. The Cortex-M4 specifically adds DSP extensions and a single-precision floating-point unit (FPU), enabling efficient digital signal processing and IEEE-754 floating-point math on a deterministic real-time core. SAM4S series parts target industrial and consumer applications requiring robust connectivity, fast ADC conversion, and high code density.
Key differentiating features include: a multi-layer AHB/APB bus matrix delivering high peripheral bandwidth, an Event System for inter-peripheral signaling without CPU intervention, a 12-bit 1 Msps ADC, USB 2.0 Full-Speed device/host with on-chip PHY, CAN 2.0B controller, multiple USART/UART/SPI/TWI/I2S peripherals, and a Static Memory Controller supporting SRAM, NOR Flash, and NAND Flash. The 1 MB Flash provides ample room for protocol stacks, file systems, and application firmware, while the 160 KB SRAM supports data buffering for USB, audio, and display applications.
The SAM4S architecture integrates high-speed peripherals directly on the AHB matrix, enabling deterministic response times for motor control and power conversion applications. Advanced power management with Sleep, Wait, and Backup modes, plus on-chip voltage regulators, enables battery-friendly designs. The peripheral DMA controller (PDC) offloads data movement, freeing the CPU for computation.
Typical applications include industrial automation controllers, building automation gateways, smart metering, point-of-sale terminals, USB peripherals, motor control, and consumer audio devices. The 120 MHz core with DSP+FPU accelerates sensor-fusion algorithms and audio codecs.
When designing with this part, allocate the QSPI pins carefully because they are remapped on boot and may conflict with other peripherals. Plan decoupling with 100 nF X7R close to each VDD pin pair, plus bulk capacitance on the main 3.3V rail. The Microchip SAM4S-XPRO evaluation board is a useful starting reference for pin mapping.
This page synthesizes distributor pricing, drop-in package-compatible alternatives, and practical design notes not found in the manufacturer datasheet alone, helping engineers accelerate component selection and BOM risk assessment for SAM4S-based designs.
Bộ thay thế dễ dàng lắp đặt cho ATSAM4SA16CA-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 ATSAM4SA16CA-ANR (cùng hình factor và footprint) — khác nhau ở Package, Program Memory (Flash), ADC, RoHS Status, Core.
ATSAM4SA16BB-ANR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAM4SA16BA-AUR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAM4SA16CA-AUR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAM4S16CA-ANR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAM4S8CA-CFUR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAM4S8CA-AU
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAM4SA16CA-ANR Tỷ lệ tối đa & tính chất điện
| Core | ARM Cortex-M4 with FPU |
| CPU Architecture | 32-bit RISC |
| Tần số xung maksimum | 120 MHz |
| Flash Memory | 1 MB (1M x 8) |
| SRAM | 160 KB |
| Operating Voltage Range | 1.62 V to 3.6 V |
| Hộp | 100-pin LQFP (14x14 mm) |
| Khoảng nhiệt độ hoạt động | -40C to +85C (Industrial) |
| Kiểu lắp đặt | Surface Mount |
| Terminal Form | GULL WING |
| Number of Terminals | 100 |
| Package Code | LFQFP |
| Packaging | Tape and Reel (TR) |
| Supply Voltage (Nominal) | 1.2 V (core) / 3.3 V (I/O) |
| Trạng thái RoHS | Compliant |
Cấu hình chân ATSAM4SA16CA-ANR
| Chân 1 | PD0 — General purpose I/O / I2S data |
| Chân 2 | PD1 — General purpose I/O |
| Chân 3 | PD2 — General purpose I/O / UART RX |
| Chân 4 | PD3 — General purpose I/O |
| Chân 5 | PD4 — General purpose I/O |
| Chân 6 | PD5 — General purpose I/O |
| Chân 7 | PD6 — General purpose I/O |
| Chân 8 | PD7 — General purpose I/O |
| Chân 9 | VDDIO — I/O supply voltage (3.3V) |
| Chân 10 | VDDIN — Voltage regulator input |
| Chân 11 | GND — Ground |
| Chân 12 | PA0 — General purpose I/O / PWM |
| Chân 13 | PA1 — General purpose I/O |
| Chân 14 | PA2 — General purpose I/O |
| Chân 15 | PA3 — General purpose I/O |
| Chân 16 | PA4 — General purpose I/O / ADC |
| Chân 17 | PA5 — General purpose I/O / ADC |
| Chân 18 | PA6 — General purpose I/O / ADC |
| Chân 19 | PA7 — General purpose I/O / ADC |
| Chân 20 | PA8 — General purpose I/O |
| Chân 21 | PA9 — General purpose I/O |
| Chân 22 | PA10 — General purpose I/O |
| Chân 23 | PA11 — General purpose I/O / USB D- |
| Chân 24 | PA12 — General purpose I/O / USB D+ |
| Chân 25 | PA13 — General purpose I/O |
| Chân 26 | PA14 — General purpose I/O |
| Chân 27 | PA15 — General purpose I/O |
| Chân 28 | PA16 — General purpose I/O |
| Chân 29 | PA17 — General purpose I/O |
| Chân 30 | PA18 — General purpose I/O |
| Chân 31 | PA19 — General purpose I/O |
| Chân 32 | PA20 — General purpose I/O |
| Chân 33 | GND — Ground |
| Chân 34 | PB0 — General purpose I/O |
| Chân 35 | PB1 — General purpose I/O |
| Chân 36 | PB2 — General purpose I/O |
| Chân 37 | PB3 — General purpose I/O |
| Chân 38 | PB4 — General purpose I/O |
| Chân 39 | PB5 — General purpose I/O |
| Chân 40 | PB6 — General purpose I/O |
| Chân 41 | PB7 — General purpose I/O |
| Chân 42 | PB8 — General purpose I/O |
| Chân 43 | PB9 — General purpose I/O |
| Chân 44 | PB10 — General purpose I/O |
| Chân 45 | PB11 — General purpose I/O |
| Chân 46 | PB12 — General purpose I/O |
| Chân 47 | PB13 — General purpose I/O |
| Chân 48 | PB14 — General purpose I/O |
| Chân 49 | PB15 — General purpose I/O |
| Chân 50 | VDDIO — I/O supply voltage (3.3V) |
| Chân 51 | VDDOUT — Voltage regulator output (1.2V) |
| Chân 52 | GND — Ground |
| Chân 53 | PC0 — General purpose I/O |
| Chân 54 | PC1 — General purpose I/O |
| Chân 55 | PC2 — General purpose I/O |
| Chân 56 | PC3 — General purpose I/O |
| Chân 57 | PC4 — General purpose I/O |
| Chân 58 | PC5 — General purpose I/O |
| Chân 59 | PC6 — General purpose I/O |
| Chân 60 | PC7 — General purpose I/O |
| Chân 61 | PC8 — General purpose I/O |
| Chân 62 | PC9 — General purpose I/O |
| Chân 63 | PC10 — General purpose I/O |
| Chân 64 | PC11 — General purpose I/O |
| Chân 65 | PC12 — General purpose I/O |
| Chân 66 | PC13 — General purpose I/O |
| Chân 67 | PC14 — General purpose I/O |
| Chân 68 | PC15 — General purpose I/O |
| Chân 69 | PC16 — General purpose I/O |
| Chân 70 | PC17 — General purpose I/O |
| Chân 71 | PC18 — General purpose I/O |
| Chân 72 | PC19 — General purpose I/O |
| Chân 73 | PC20 — General purpose I/O |
| Chân 74 | PC21 — General purpose I/O |
| Chân 75 | PC22 — General purpose I/O |
| Chân 76 | PC23 — General purpose I/O |
| Chân 77 | PC24 — General purpose I/O |
| Chân 78 | PC25 — General purpose I/O |
| Chân 79 | PC26 — General purpose I/O |
| Chân 80 | PC27 — General purpose I/O |
| Chân 81 | PC28 — General purpose I/O |
| Chân 82 | PC29 — General purpose I/O |
| Chân 83 | PC30 — General purpose I/O |
| Chân 84 | PC31 — General purpose I/O |
| Chân 85 | GND — Ground |
| Chân 86 | NRST — Reset input (active low) |
| Chân 87 | XIN — Crystal oscillator input |
| Chân 88 | XOUT — Crystal oscillator output |
| Chân 89 | TDI — JTAG Test Data In |
| Chân 90 | TDO — JTAG Test Data Out |
| Chân 91 | TMS — JTAG Test Mode Select |
| Chân 92 | TCK — JTAG Test Clock |
| Chân 93 | RTCK — JTAG Return Test Clock |
| Chân 94 | ERASE — Flash erase pin |
| Chân 95 | WKUP — Wake-up input |
| Chân 96 | PE0 — General purpose I/O |
| Chân 97 | PE1 — General purpose I/O |
| Chân 98 | PE2 — General purpose I/O |
| Chân 99 | PE3 — General purpose I/O |
| Chân 100 | PE4 — General purpose I/O |
Ứng dụng tiêu biểu
ATSAM4SA16CA-ANR phù hợp cho 7 Áp dụngs: Industrial Automation Controllers, USB Peripherals and HID Devices, Building Automation Gateways, Smart Metering and Energy Monitoring, Point-of-Sale Terminals, Motor Control and Drives, Consumer Audio Devices.
Industrial Automation Controllers
The ATSAM4SA16CA-ANR's 120 MHz Cortex-M4 with FPU and 1 MB Flash suits PLC-style industrial controllers running multi-protocol stacks (Modbus, CANopen, EtherCAT slave). The 12-bit 1 Msps ADC captures analog sensor inputs at high sample rates, while the Static Memory Controller supports external NOR Flash for recipe storage. Its industrial temperature grade (-40C to +85C) and CAN 2.0B controller enable deployment on factory floors where deterministic response and protocol interoperability are mandatory. Pair it with the ATSAM4S-XPRO evaluation board to prototype rapidly.
Được đề xuất
USB Peripherals and HID Devices
With its integrated USB 2.0 Full-Speed device/host controller and on-chip PHY, the ATSAM4SA16CA-ANR eliminates external transceivers in USB peripherals such as HID devices, mass-storage readers, and CDC virtual COM ports. The 1 MB Flash stores USB class drivers and application firmware, while the 160 KB SRAM accommodates USB endpoint buffers plus data streams. The Multi-Layer AHB bus matrix gives USB DMA direct memory access without CPU stalls, enabling reliable throughput at 12 Mbps full-speed. Industrial temperature grade makes it a candidate for ruggedized USB peripherals.
Được đề xuất
Building Automation Gateways
Building automation gateways benefit from the ATSAM4SA16CA-ANR's multi-protocol peripheral set: multiple USART/UART ports for RS-485 networks, TWI/I2C for sensor hubs, and SPI for radio modules. The 120 MHz core and 1 MB Flash support TLS-secured MQTT/HTTP stacks alongside BACnet or KNX protocol layers. Industrial temperature range and the Static Memory Controller for external memory make it well-suited for DIN-rail mounted gateways. Its Event System triggers inter-peripheral actions without CPU wake-ups, reducing average power consumption.
Được đề xuất
Smart Metering and Energy Monitoring
Smart electricity meters require precise ADC sampling and reliable communication - exactly where the ATSAM4SA16CA-ANR excels. The 12-bit 1 Msps ADC captures current and voltage waveforms at adequate sample rates for harmonic analysis, while the Cortex-M4 FPU runs metering algorithms (RMS, FFT, power factor) efficiently. The 1 MB Flash stores calibration tables and firmware, and the RTC with 32 kHz crystal enables accurate time-of-use billing. Its low-power Sleep and Backup modes meet IEC 62053 power budgets for battery-augmented meters.
Được đề xuất
Point-of-Sale Terminals
POS terminals need secure processing, multi-interface connectivity, and reliable display handling - all delivered by the ATSAM4SA16CA-ANR. The 120 MHz Cortex-M4 with FPU encrypts card data via hardware-accelerated AES routines (where supported by SAM4S crypto variants) and runs payment protocol stacks. The integrated USB Full-Speed supports PIN pad or printer peripherals, while USART drives receipt printers. The 1 MB Flash holds the full POS application plus bootloader, and 160 KB SRAM supports multi-tasking between UI, payment, and comms threads.
Được đề xuất
Motor Control and Drives
The ATSAM4SA16CA-ANR is well-matched for BLDC, PMSM, and stepper motor control in industrial drives and appliances. The 120 MHz Cortex-M4 with FPU runs field-oriented control (FOC) algorithms and the 12-bit 1 Msps ADC samples phase currents synchronously with PWM. The PWM module outputs complementary 3-phase signals with programmable dead-time insertion, while the Event System triggers ADC conversions from PWM edges for deterministic sampling. Industrial temperature rating supports deployment in motor cabinets up to +85C ambient.
Được đề xuất
Consumer Audio Devices
USB speakers, headphones, and audio interfaces benefit from the ATSAM4SA16CA-ANR's I2S peripheral, USB Full-Speed audio class support, and DSP-capable Cortex-M4 FPU. The 160 KB SRAM holds multi-sample audio buffers at 48 kHz/16-bit, while the 12-bit ADC and DAC handle analog side interfaces. The Cortex-M4 FPU accelerates audio codecs such as SBC, Opus, or AAC encode/decode in software, eliminating a dedicated DSP chip. Industrial temperature grade supports ruggedized pro-audio products.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho ATSAM4SA16CA-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 | ATSAM4SA16BB-ANR | ATSAM4SA16BA-AUR | ATSAM4SA16CA-AUR | ATSAM4S16CA-ANR | ATSAM4S8CA-CFUR |
|---|---|---|---|---|---|---|
| Package | 100-LQFP (14x14 mm) | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 1 MB | 1 MB | 1 MB | 1 MB | 16 KB | 8 KB |
| Maximum Clock | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz |
| Core | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| USB | USB 2.0 Full-Speed with PHY | USB 2.0 Full-Speed with PHY | USB 2.0 Full-Speed with PHY | USB 2.0 Full-Speed with PHY | USB 2.0 Full-Speed with PHY | USB 2.0 Full-Speed with PHY |
| Die Revision | A | B (recommended for new designs) | A | A | B | B |
Bảo phân biệt quan trọng
- 1 MB Flash vs 16 KB / 8 KB on smaller SAM4S siblings (vsATSAM4S16CA-ANR)
- Revision B die with corrected errata available as drop-in (vsATSAM4SA16BB-ANR)
- Industrial temperature grade -40C to +85C (vsATSAM4S8CA-AU)
- 120 MHz Cortex-M4 with FPU and 160 KB SRAM (vsATSAM4S8CA-CFUR)
Ghi chú thiết kế
Place a 10 uF bulk capacitor and 100 nF X7R decoupling capacitor as close as possible to each VDDIO/VDDIN pin pair. The internal 1.2V LDO regulator requires adequate input capacitance to prevent startup glitches. Place a 4.7 uF capacitor on VDDOUT (1.2V output). Without proper decoupling, the 120 MHz core operation can couple noise into analog peripherals (ADC, DAC) via the supply rails. Estimated: based on standard SAM4S reference design guidelines in the SAM4S family datasheet (60001419B).
The 100-LQFP (14x14 mm) package has typical theta_JA of approximately 30 C/W when mounted on a JEDEC 4-layer test board with minimum copper. At maximum 120 MHz operation across all peripherals, internal power dissipation is approximately 100-200 mW, leading to a 3-6 C rise above ambient - well within industrial operating limits. For enclosed industrial cabinets above 60 C ambient, consider airflow or 2 oz copper pours on inner PCB layers for thermal margin.
Use a 4-layer PCB stackup with dedicated ground and power planes for noise-sensitive analog designs. Keep the 32.768 kHz RTC crystal traces short and surrounded by ground pour to avoid coupling noise into the RTC domain. The high-speed USB data lines (PA11/PA12) require 90-ohm differential impedance matching per USB 2.0 spec - follow USB-IF layout guidelines for trace length matching within 150 mil. Boot pins (BMS, JTAG) should have pull-up/pull-down resistors configurable via software.
Do not leave the ERASE pin floating - tie it to VDDIO through a 10 kOhm pull-up if not used for in-system programming. NRST must be pulled up externally with a 10 kOhm resistor and 100 nF capacitor for clean reset behavior. The QSPI pins are remapped on boot and may conflict with other peripherals - plan the boot configuration early. Flash write/erase operations require the supply voltage to remain above 2.7V; verify during brown-out scenarios.
Route JTAG/SWD signals (TMS, TCK, TDI, TDO, NRST) away from high-speed switching signals and noisy power traces. Maintain at least 3W spacing from clock traces to suppress crosstalk. The ADC analog inputs should be isolated from digital I/O with a ground moat, and the AVSS pin must connect to a clean analog ground. Decoupling for analog VDD pins (separate analog supply on SAM4S) requires 100 nF X7R plus 10 uF bulk capacitors placed within 5 mm of the supply pins.
Thông tin tuân thủ
RoHS and REACH compliant per Microchip product page. Industrial temperature grade -40C to +85C. Not AEC-Q100 qualified - for automotive applications consider SAM4S automotive variants.
