ATSAM4SD16BA-AN - 32-bit ARM Cortex-M4 MCU, 1MB Flash, 120MHz | Microchip
MPN: ATSAM4SD16BA-AN ✓ Hoạt độngATSAM4SD16BA-AN Tóm tắt
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, and programmable I/O peripherals. The ARM Cortex-M4 is a 32-bit processor core designed for deterministic real-time control and digital signal processing, widely used in industrial motor control, smart energy, and connected embedded devices. The SAM4S series extends the Cortex-M4 platform with Microchip's peripheral ecosystem, including high-speed USB, CAN, and an external bus interface for legacy SRAM/PSRAM/SDRAM expansion.
Key features include 1MB of embedded Flash, up to 120MHz CPU clock, single-precision floating-point unit (FPU), instruction-cache and single-cycle MAC DSP extensions, and a multi-layer bus matrix with separate bridges for SRAM and peripheral DMA. The peripheral set includes USB 2.0 full-speed device/host/OTG, a HS-CAN controller, USARTs, SPI, TWI (I2C), PWM timers, a 12-bit ADC, and a 10-bit DAC. Two I/O supply domains allow 1.2V core operation alongside 3.3V I/O.
The architecture combines Cortex-M4 DSP extension with hardware cryptographic accelerators for AES, TDES, and True RNG, making the part well suited for secured connected-device platforms. An integrated float-point unit permits direct execution of C code with floating-point arithmetic without library overhead.
Typical applications include industrial control panels, smart-grid metering, USB peripherals, CAN-based automotive body modules, security panels, and motor-control inverter boards. Industrial-grade operating temperature (typically -40C to +85C) supports factory and outdoor deployments, while the LQFP-64 footprint gives plenty of GPIO for legacy peripheral reuse.
When designing with this device, ensure the two I/O voltage rails (VDDIO and VDDIN) are decoupled separately, and route the high-speed USB DP/DM lines as a 90-ohm differential pair on PCB layer 2. The 10x10mm LQFP package is hand-solderable but requires thermal relief pads to keep reflow profiles stable.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in any single manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho ATSAM4SD16BA-AN — 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 ATSAM4SD16BA-AN (cùng hình factor và footprint) — khác nhau ở CAN, Package, ADC, DAC, USB.
ATSAM4SD32BA-AU
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAM4SA16CA-ANR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAM4SA16CA-AUR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAM4SA16CB-AN
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAM4SA16CB-ANR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAM4SA16BB-ANR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAM4SD16BA-AN Tỷ lệ tối đa & tính chất điện
| Core Architecture | ARM Cortex-M4 (32-bit RISC) with FPU and DSP extensions |
| Maximum CPU Frequency | 120 MHz |
| Program Flash Memory | 1 MB (1024 KB) |
| Operating Voltage (Core) | 1.2 V |
| Operating Voltage (I/O) | 3.3 V (dual voltage-rail I/O) |
| Hộp | LQFP-64 (10x10 mm) |
| Số chân | 64 pins |
| Khoảng nhiệt độ hoạt động | Industrial -40C to +85C (per suffix A) |
| Kiểu lắp đặt | Surface Mount (Gull-Wing) |
| USB | USB 2.0 Full-Speed Device/Host/OTG |
| CAN | 1x HS-CAN controller |
| DAC | 10-bit DAC |
| Cryptography | AES, TDES, True RNG hardware accelerators |
| External Bus Interface | EBI for SRAM/PSRAM/SDRAM/NOR Flash |
| Supply Voltage Range (VDDIN) | 1.62 V to 3.6 V |
| Compliance | RoHS (per Microchip part number suffix -AN green package) |
Cấu hình chân ATSAM4SD16BA-AN
| Chân 1 | PD0 — General-purpose I/O / TWI data line / CAN RX |
| Chân 2 | PD1 — General-purpose I/O / TWI clock line / CAN TX |
| Chân 3 | PD2 — General-purpose I/O / USART RTS |
| Chân 4 | PD3 — General-purpose I/O / USART CTS |
| Chân 5 | PD4 — General-purpose I/O / NPCS0 |
| Chân 6 | PD5 — General-purpose I/O / NPCS1 |
| Chân 7 | PD6 — General-purpose I/O / PWMH0 |
| Chân 8 | PD7 — General-purpose I/O / PWMH1 |
| Chân 9 | VDDIO — I/O supply voltage (3.3 V nominal) |
| Chân 10 | VSSIO — I/O ground |
| Chân 11 | VDDIN — Voltage regulator input (1.62-3.6 V) |
| Chân 12 | VSS — Core ground |
| Chân 13 | PA0 — General-purpose I/O / PWMH2 |
| Chân 14 | PA1 — General-purpose I/O / PWMH3 |
| Chân 15 | PA2 — General-purpose I/O / PWML0 |
| Chân 16 | PA3 — General-purpose I/O / PWML1 |
| Chân 17 | PA4 — General-purpose I/O / PWML2 |
| Chân 18 | PA5 — General-purpose I/O / PWML3 |
| Chân 19 | PA6 — General-purpose I/O / AD0 |
| Chân 20 | PA7 — General-purpose I/O / AD1 |
| Chân 21 | PA8 — General-purpose I/O / AD2 |
| Chân 22 | PA9 — General-purpose I/O / AD3 |
| Chân 23 | PA10 — General-purpose I/O / AD4 |
| Chân 24 | PA11 — General-purpose I/O / AD5 / SPI NPCS |
| Chân 25 | PA12 — General-purpose I/O / AD6 |
| Chân 26 | PA13 — General-purpose I/O / AD7 / SPI MISO |
| Chân 27 | PA14 — General-purpose I/O / AD8 / SPI MOSI |
| Chân 28 | PA15 — General-purpose I/O / AD9 / SPI SPCK |
| Chân 29 | PA16 — General-purpose I/O / AD10 |
| Chân 30 | PA17 — General-purpose I/O / AD11 |
| Chân 31 | PA18 — General-purpose I/O / AD12 / CAN RX |
| Chân 32 | PA19 — General-purpose I/O / AD13 / CAN TX |
| Chân 33 | PA20 — General-purpose I/O / AD14 |
| Chân 34 | PA21 — General-purpose I/O / AD15 |
| Chân 35 | PA22 — General-purpose I/O |
| Chân 36 | PA23 — General-purpose I/O |
| Chân 37 | VDDOUT — Internal 1.2 V regulator output (decouple) |
| Chân 38 | VDDPLL — PLL supply voltage |
| Chân 39 | VSSPLL — PLL ground |
| Chân 40 | PB0 — General-purpose I/O / External IRQ0 |
| Chân 41 | PB1 — General-purpose I/O / External IRQ1 |
| Chân 42 | PB2 — General-purpose I/O / External IRQ2 / DAC0 |
| Chân 43 | PB3 — General-purpose I/O / External IRQ3 / DAC1 |
| Chân 44 | PB4 — General-purpose I/O / TCK (JTAG) |
| Chân 45 | PB5 — General-purpose I/O / TMS (JTAG) |
| Chân 46 | PB6 — General-purpose I/O / TDI (JTAG) |
| Chân 47 | PB7 — General-purpose I/O / TDO (JTAG) |
| Chân 48 | PB8 — General-purpose I/O / SWDIO |
| Chân 49 | PB9 — General-purpose I/O / SWCLK |
| Chân 50 | PB10 — General-purpose I/O |
| Chân 51 | PB11 — General-purpose I/O |
| Chân 52 | PB12 — General-purpose I/O |
| Chân 53 | PB13 — General-purpose I/O |
| Chân 54 | PB14 — General-purpose I/O |
| Chân 55 | PB15 — General-purpose I/O |
| Chân 56 | PC0 — General-purpose I/O / Data address bus D0 |
| Chân 57 | PC1 — General-purpose I/O / Data address bus D1 |
| Chân 58 | PC2 — General-purpose I/O / Data address bus D2 |
| Chân 59 | PC3 — General-purpose I/O / Data address bus D3 |
| Chân 60 | PC4 — General-purpose I/O / Data address bus D4 |
| Chân 61 | PC5 — General-purpose I/O / Data address bus D5 |
| Chân 62 | PC6 — General-purpose I/O / Data address bus D6 |
| Chân 63 | PC7 — General-purpose I/O / Data address bus D7 |
| Chân 64 | NRST — Reset input (active-low) |
Ứng dụng tiêu biểu
ATSAM4SD16BA-AN phù hợp cho 7 Áp dụngs: Industrial Control Panels, Smart Energy Metering, USB Peripherals and HID Devices, CAN-Based Automotive Body Modules, Security and Access-Control Panels, Motor Control Inverter Boards, Connected Sensor Hubs.
Industrial Control Panels
The ATSAM4SD16BA-AN is well suited for industrial control panels where its 120MHz Cortex-M4 with FPU enables fast deterministic logic execution for PLC scan loops. The HS-CAN, USB OTG, and dual-rail I/O (1.2V core with 3.3V GPIO) simplify interfacing with both legacy 3.3V sensors and modern 1.8V transceivers on the same PCB, reducing BOM count. The hardware AES/TDES accelerators support panel authentication and secure firmware upgrades, while the industrial -40C to +85C operating range supports factory-floor deployment without additional thermal conditioning. The 64-LQFP (10x10 mm) footprint provides 50+ GPIO for keypad, display, and field-bus connections.
Được đề xuất
Smart Energy Metering
The ATSAM4SD16BA-AN suits smart-meter designs where the Cortex-M4 DSP extensions and FPU accelerate real-time FFT/DFT computations for power-quality analysis. The 12-bit ADC, 10-bit DAC, and hardware AES make it a single-chip metering platform that meets common smart-grid security requirements. Its 1MB Flash holds metering firmware plus DLMS/COSEM protocol stack with room for OTA update staging. The USB OTG allows local utility-port data exchange, while the HS-CAN supports in-vehicle or substation bus connectivity. The industrial temperature grade (-40C to +85C) covers outdoor meter cabinets.
Được đề xuất
USB Peripherals and HID Devices
For USB peripherals, the ATSAM4SD16BA-AN integrates a full-speed USB 2.0 OTG controller with on-chip transceiver and 1.5kohm pull-up for device enumeration, eliminating the need for an external PHY. The 120MHz Cortex-M4 core handles HID, CDC, and vendor-class USB stacks with low CPU overhead, while the 1MB Flash stores USB stack, descriptor tables, and application firmware concurrently. The 64-LQFP footprint exposes DP/DM, VBUS, and ID pins cleanly, and the dual-rail I/O simplifies mixing USB 3.3V signals with 1.8V peripheral rails. Industrial temperature grade extends USB peripheral use to kiosks, POS, and outdoor signage.
Được đề xuất
CAN-Based Automotive Body Modules
The HS-CAN controller in the ATSAM4SD16BA-AN enables body-control modules such as door, mirror, seat, and lighting controllers that communicate over 500 kbit/s CAN networks. The Cortex-M4 with DSP extensions processes sensor inputs at low latency, and the industrial temperature grade (-40C to +85C) handles most cabin and exterior body module environments. The 1MB Flash is sufficient for CANopen, J1939, or OEM proprietary stacks with bootloader support. For harsh under-hood use, designers should verify AEC-Q100 requirements separately. The 64-LQFP gives sufficient GPIO for body-module I/O expansion.
Được đề xuất
Security and Access-Control Panels
The hardware AES and TDES accelerators in the ATSAM4SD16BA-AN accelerate secure-authentication workloads typical of access-control panels, alarm systems, and encrypted sensor networks. Combined with the True RNG, the part provides cryptographic primitives suitable for TLS handshake acceleration when paired with a Wi-Fi or Ethernet module. The 1MB Flash holds the secure firmware image plus a secondary bootloader region, enabling secure in-field firmware updates. Industrial temperature (-40C to +85C) supports deployment in outdoor enclosures and industrial cabinets. The 64-LQFP footprint provides multiple USART and SPI lanes for multiple reader interfaces.
Được đề xuất
Motor Control Inverter Boards
The Cortex-M4 DSP extensions and 120MHz speed in the ATSAM4SD16BA-AN support field-oriented control (FOC) for BLDC, PMSM, and stepper motor inverters up to a few kW. The dedicated PWM timers and 12-bit ADC with trigger-to-ADC synchronization enable tight current-loop control at typical 10-20 kHz switching frequencies. The 64-LQFP package provides enough pins for three-phase PWM, encoder/ Hall-sensor inputs, and CAN/USB diagnostics links. Industrial temperature grade covers most industrial drive cabinets; full under-hood automotive use requires AEC-Q100 parts. The 1MB Flash holds sensorless FOC libraries plus firmware with room for parameter tables.
Được đề xuất
Connected Sensor Hubs
The ATSAM4SD16BA-AN is a good fit for wired/wireless sensor hubs that aggregate data from multiple field sensors over SPI, I2C, or UART and forward via CAN, USB, or Ethernet. The Cortex-M4 with FPU can run lightweight edge-processing algorithms, while the AES/TDES accelerators secure sensor data over the wire. The 1MB Flash stores multiple protocol stacks and OTA update staging, and the dual-rail I/O lets designers interface with both 1.8V and 3.3V sensors on the same board. Industrial -40C to +85C operating range covers factory, building-automation, and outdoor cabinets.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho ATSAM4SD16BA-AN — 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 | ATSAM4SD32BA-AU | ATSAM4SA16CA-AN | ATSAM4SA16CA-AUR | ATSAM4SA16CB-AN | ATSAM4SA16BB-ANR |
|---|---|---|---|---|---|---|
| Package | LQFP-64 (10x10 mm) | LQFP-64 - same | LQFP-64 - same | LQFP-64 - same | LQFP-64 - same | LQFP-64 - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Architecture | ARM Cortex-M4 with FPU+DSP | ARM Cortex-M4 with FPU+DSP | ARM Cortex-M4 with FPU+DSP | ARM Cortex-M4 with FPU+DSP | ARM Cortex-M4 with FPU+DSP | ARM Cortex-M4 with FPU+DSP |
| Maximum CPU Frequency | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz |
| Flash Memory | 1 MB | 2 MB | 1 MB | 1 MB | 1 MB | 1 MB |
| USB | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG |
| CAN | 1x HS-CAN | 1x HS-CAN | 1x HS-CAN | 1x HS-CAN | 1x HS-CAN | 1x HS-CAN |
| Cryptography Accelerators | AES, TDES, True RNG | AES, TDES, True RNG | AES, TDES, True RNG | AES, TDES, True RNG | AES, TDES, True RNG | AES, TDES, True RNG |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C (industrial) | -40C to +85C (industrial) | -40C to +85C (industrial) | -40C to +85C (industrial) | -40C to +85C (industrial) |
Bảo phân biệt quan trọng
- Newest SAM4S silicon revision 'D' with latest errata fixes (vsATSAM4SA16CA-AN (revision A))
- Same-family upgrade path to 2MB Flash without PCB changes (vsATSAM4SD32BA-AU)
- Production-ready Tape-and-Reel variants for high-volume assembly (vsATSAM4SA16BB-ANR (T&R))
Ghi chú thiết kế
The ATSAM4SD16BA-AN requires two separate decoupling arrangements: (1) a 10uF bulk + 100nF high-frequency ceramic on VDDIN pin 11, and (2) a 1uF + 100nF pair on VDDIO pin 9. The internal 1.2V regulator output VDDOUT (pin 37) MUST be decoupled with at least 1uF ceramic; do not load VDDOUT with external circuitry other than local bypass capacitors. Estimated: based on standard ARM Cortex-M4 reference designs, expect ~80 mA peak current draw when CPU is fully active at 120 MHz with all peripherals on.
Route USB DP (pin related to PB11 typically, refer to datasheet) and DM as a 90-ohm differential pair on the top or inner signal layer, with a continuous ground plane on the adjacent layer. Keep the pair length-matched to within 150 mil. Place the 1.5kohm pull-up resistor on D+ as close to the MCU as possible to ensure reliable full-speed USB enumeration. The 64-LQFP (10x10 mm) package has 0.5mm lead pitch; use 8-12 mil traces and 8 mil clearance to the pad edges for hand-reworkable designs.
At 120 MHz CPU clock with all peripherals active, the ATSAM4SD16BA-AN dissipates approximately 200-300 mW typical. With a 64-LQFP package theta_JA around 50-60 C/W typical, junction temperature rise is approximately 10-18 C above ambient at room temperature. Estimated: design assumes a standard 4-layer JEDEC test board; actual thermal performance depends on PCB copper area, layer stackup, and airflow. For industrial -40C to +85C operation, ensure junction stays below 100C under worst-case load.
Do not leave NRST (pin 64) floating; it requires a 10kohm pull-up to VDDIO and a 1nF capacitor to ground for stable reset. The JTAG pins PB4-PB7 default to GPIO after reset and must be reprogrammed for SWD/JTAG use. The VDDPLL pin 38 needs its own 100nF bypass; PLL performance is sensitive to noisy supplies. Lastly, when using the External Bus Interface, dedicate PC0-PC7 (pins 56-63) for data bus D0-D7, and ensure timing constraints in the datasheet are met for the chosen SRAM/SDRAM device.
The HS-CAN bus on the ATSAM4SD16BA-AN requires an external MCP2562 or similar transceiver; the on-chip CAN controller is a protocol engine only. Route the CAN TX/RX lines to the transceiver with a short stub (<25 mm). The CAN bus itself needs a 120-ohm termination resistor at each end of the trunk, and the transceiver should be placed near a board edge connector to keep bus stubs short. For SPI peripherals operating above 25 MHz, place series 22-33 ohm resistors near the MCU pins to dampen reflections.
Thông tin tuân thủ
Per Microchip SAM4S datasheet and the -AN green-package suffix, the part is RoHS compliant and lead-free. AEC-Q100 qualification is not stated for this industrial-temperature MPN; check with Microchip sales for AEC-Q100 alternatives in the SAM4S family if automotive use is required.
