ATSAMA5D43B-CU - 600MHz Cortex-A5 MPU, 289-LFBGA | Microchip
MPN: ATSAMA5D43B-CU ✓ NakahandaATSAMA5D43B-CU Ulas
What is an ARM Cortex-A5 microprocessor? An ARM Cortex-A5 is a 32-bit application-class processor core implementing the ARMv7-A architecture. It sits in the Cortex-A family hierarchy (A5 < A7 < A8 < A9 < A15) as the entry-level application core, above microcontroller-class Cortex-M cores. Microprocessors in the SAMA5 family target Linux- and Android-capable human-machine interface (HMI) and edge-node applications, where a Cortex-A5 supplies more compute than a Cortex-M and lower cost/power than a Cortex-A7/A9.
Key features of the ATSAMA5D43B-CU include ARM Cortex-A5 core running at up to 600 MHz with NEON media engine, hardware floating-point (VFPv4), 32 KB I-cache and 32 KB D-cache with MMU, integrated TFT LCD controller up to WVGA (2048x2048 max), built-in 10/100 Ethernet MAC with GMII/RGMII/MII interface, three USB 2.0 high-speed ports, image sensor interface (ISI), CAN, I2S audio, SD/MMC, NAND/NOR flash controllers, and a security subsystem with secure boot and hardware crypto accelerators (AES, SHA, TRNG).
Architecturally, the SAMA5D43B silicon uses a 65 nm low-power CMOS process. The core operates from a 1.2 V internal rail, the memory interface from 1.2/1.8/3.3 V, and most I/O from 3.3 V. Per Microchip documentation, the device draws roughly 200 mA active at 600 MHz and supports deep-sleep modes drawing under 1 mA, making it suitable for fanless industrial designs with proper thermal management.
Typical applications for the ATSAMA5D43B-CU include industrial HMI panels, building automation gateways, smart energy concentrators, medical patient-interface displays, and ruggedized handheld terminals. The integrated display, touchscreen, and Ethernet make it well suited for Linux-driven HMI, while the secure-boot and crypto engines support payment- and access-control appliances.
When designing with this MPU, allocate four-layer PCB stack-up with continuous GND planes under the BGA to provide both return paths and thermal dissipation, and follow Microchip's SAMA5D4 hardware design checklist for DDR2/LPDDR signal routing. Ensure proper decoupling per the reference schematic and validate boot media (NAND/SD/eMMC) against the BSP you intend to use (mainline Linux, Buildroot, or Microchip's AT91 distribution).
This page synthesizes distributor pricing, drop-in alternatives from the SAMA5D4 family, and practical design notes not consolidated in any single manufacturer datasheet.
Mga alternatibo na pwedeng ilagay na ATSAMA5D43B-CU — parehas na package, pin-to-pin na katugmang. Hindi kasama ang mga bahagi ng iba't-ibang package na nangangailangan ng pagpapaayos ng PCB.
Variante sa Seri na ito
Katulad na modelo sa serye na katugma sa pagpasok ATSAMA5D43B-CU (parehas na form factor at footprint) — pagkakaiba sa Package, Ethernet, USB, Operating Temperature, MSL Level.
ATSAMA5D43B-CUR
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →ATSAMA5D43A-CU
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →ATSAMA5D43A-CUR
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →ATSAMA5D42B-CU
✅ Drop-In ⚠️ Mga Talaan Hindi NaiwerikmoMagkontak para sa presyo
Tingnan ang Datasheet →ATSAMA5D42B-CUR
✅ Drop-In ⚠️ Mga Talaan Hindi NaiwerikmoMagkontak para sa presyo
Tingnan ang Datasheet →ATSAMA5D43B-CU Mga Pinakamataas na Rating at Electrical Characteristics
| Manufacturer | Microchip Technology |
| Series | SAMA5D4 |
| Core Processor | ARM Cortex-A5 |
| Core Count | 1 Core, 32-Bit |
| Maximum CPU Clock | 600 MHz |
| Co-processors / Accelerators | NEON, FPU (VFPv4) |
| Instruction Set Architecture | ARMv7-A |
| On-chip ROM | 128 KB |
| On-chip SRAM | 128 KB |
| L1 Cache | 32 KB I-cache + 32 KB D-cache |
| External Memory Interface | LPDDR, LPDDR2, DDR2 |
| Graphics Acceleration | Yes (2D) |
| Display Controller | LCD up to WVGA, Touchscreen |
| Ethernet | 10/100 Mbps (1x) |
| USB | 3x USB 2.0 (incl. HSIC) |
| Supply Voltage - I/O | 1.2 V / 1.8 V / 3.3 V |
| Temperature na Operasyon | -40C to +85C (industrial) |
| Packhaging | 289-LFBGA (14x14 mm) |
| Uri ng Pagpapasok | Surface Mount |
| Level ng MSL | 3 (168 hours) |
| Tindminan RoHS | Compliant |
Gabay sa Pin Configuration ng ATSAMA5D43B-CU 289-lfbga (14x14 mm)
Pin configuration para sa ATSAMA5D43B-CU (289-lfbga (14x14 mm) package). Kasama sa digital IC na ito ang GPIO, mga communication interface (UART, SPI, I2C), at mga power pin. Sumangguni sa datasheet ng manufacturer para sa mga alternatibong function ng pin at mga opsyon sa configuration. Mahalaga para sa disenyo ng embedded system at PCB layout.
Wala ng detalyadong pinout data na magagamit para sa ATSAMA5D43B-CU.
Sumangguni sa datasheet para sa buong pin configuration.
Tipikal na mga Gamit
ATSAMA5D43B-CU ay nararapat para sa 6 aplikasyons: Industrial HMI Panels, Building Automation Gateways, Medical Patient-Interface Displays, Smart Energy Concentrators, Ruggedized Handheld Terminals, Secure Payment Terminals.
Industrial HMI Panels
The ATSAMA5D43B-CU is purpose-built for industrial HMI panels requiring a Linux-capable Cortex-A5 core with integrated graphics and touchscreen support. Its integrated WVGA-class LCD controller with hardware 2D acceleration drives TFT displays up to 2048x2048, while the 600 MHz ARM Cortex-A5 with NEON handles Qt/GTK framebuffers smoothly. The 10/100 Ethernet MAC enables real-time Modbus/TCP, EtherNet/IP, or PROFINET connectivity, and the industrial -40C to +85C temperature grade supports factory-floor deployment. Three USB 2.0 ports (one HSIC) allow barcode scanners, RFID readers, and external storage simultaneously. The 128 KB on-chip ROM enables secure-boot flows required in IIoT gateways.
Inirekomenda
Building Automation Gateways
In building-automation gateways, the ATSAMA5D43B-CU runs Linux with BACnet, KNX, or LonWorks stacks, aggregating data from HVAC, lighting, and access-control subsystems. The hardware crypto engine (AES, SHA, TRNG) supports TLS 1.3 termination for cloud connectivity, while secure-boot prevents firmware tampering. The 10/100 Ethernet MAC and three USB 2.0 ports provide multiple physical interfaces, and the CAN bus peripheral integrates with industrial HVAC equipment. Deep-sleep modes below 1 mA allow the gateway to remain network-responsive while reducing energy bills by 30-50% versus always-on designs.
Inirekomenda
Medical Patient-Interface Displays
Medical patient-interface displays benefit from the ATSAMA5D43B-CU's integrated touchscreen controller, hardware encryption, and long-life industrial temperature support. The Cortex-A5 at 600 MHz drives Qt-based UIs for infusion pumps, patient monitors, and diagnostic terminals while consuming under 250 mW active. The image-sensor interface (ISI) allows direct connection to a camera for telemedicine endpoints. Hardware secure-boot and AES/SHA accelerators meet FDA cybersecurity premarket guidance. The 289-LFBGA package enables compact 5-inch handheld form factors with single-board layouts.
Inirekomenda
Smart Energy Concentrators
Smart energy concentrators aggregate data from electricity, water, and gas meters over M-Bus, Wireless M-Bus, or PLC links. The ATSAMA5D43B-CU runs DLMS/COSEM stacks on Linux with its 600 MHz Cortex-A5 and 128 KB on-chip SRAM boot ROM. The hardware crypto accelerator handles TLS and DTLS handshakes required for AMI backhaul to utility head-end systems. Industrial temperature rating and LFBGA packaging suit outdoor meter-data concentrator enclosures. The three USB 2.0 ports and Ethernet MAC allow redundant WAN paths (cellular modem + Ethernet).
Inirekomenda
Ruggedized Handheld Terminals
Ruggedized handheld terminals - used in warehouses, field service, and logistics - leverage the ATSAMA5D43B-CU's low-power deep-sleep modes, industrial temperature range, and integrated peripherals. The image-sensor interface connects directly to a barcode/2D imager, while the LCD controller drives 4-7 inch sunlight-readable displays. Three USB 2.0 ports support charging cradles, RFID readers, and Wi-Fi dongles. Hardware encryption and secure-boot protect sensitive shipment data. The 289-LFBGA enables a slim handheld PCB less than 80x140 mm with BGA-internal routing only.
Inirekomenda
Secure Payment Terminals
POS and payment terminals benefit from the ATSAMA5D43B-CU's hardware secure-boot chain, AES/SHA accelerators, and tamper-resistant boot ROM. The 600 MHz Cortex-A5 runs Android or Linux payment applications with PCI PTS 5.x certified firmware stacks. Integrated LCD and touchscreen support drive signature-capture displays, while the image-sensor interface attaches to camera modules for QR-code payment flows. The 10/100 Ethernet plus three USB 2.0 ports support chip-card readers, NFC modules, and receipt printers simultaneously. Hardware TRNG meets payment-industry cryptographic randomness requirements.
Inirekomenda
Buod ng mga Inirekomendang Produkto
Impormasyon ng Talumpati sa Engineering for ATSAMA5D43B-CU — ikabit, gabay sa disenyo, at impormasyon ng pagsunod sa kautusan.
Paunawang Hanapin
Ikabit sa Mga Alternatibo
| Parametro | Ito ang Producto | ATSAMA5D43B-CUR | ATSAMA5D43A-CU | ATSAMA5D43A-CUR | ATSAMA5D42B-CU |
|---|---|---|---|---|---|
| Package | 289-LFBGA (14x14 mm) | 289-LFBGA (14x14 mm) | 289-LFBGA (14x14 mm) | 289-LFBGA (14x14 mm) | 289-LFBGA (14x14 mm) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Core | ARM Cortex-A5 (1-core, 32-bit) | ARM Cortex-A5 (1-core, 32-bit) | ARM Cortex-A5 (1-core, 32-bit) | ARM Cortex-A5 (1-core, 32-bit) | ARM Cortex-A5 (1-core, 32-bit) |
| Max CPU Clock | 600 MHz | 600 MHz | 600 MHz | 600 MHz | lower-speed SAMA5D4 variant |
| On-chip ROM / SRAM | 128 KB ROM / 128 KB SRAM | 128 KB ROM / 128 KB SRAM | 128 KB ROM / 128 KB SRAM | 128 KB ROM / 128 KB SRAM | 128 KB ROM / 128 KB SRAM |
| Ethernet | 10/100 Mbps (1x) | 10/100 Mbps (1x) | 10/100 Mbps (1x) | 10/100 Mbps (1x) | 10/100 Mbps (1x) |
| USB Ports | 3x USB 2.0 (incl. HSIC) | 3x USB 2.0 (incl. HSIC) | 3x USB 2.0 (incl. HSIC) | 3x USB 2.0 (incl. HSIC) | 3x USB 2.0 (incl. HSIC) |
| Packaging Carrier | Tray | Tape & Reel | Tray | Tape & Reel | Tray |
| Lifecycle Status | Active | Active | Active | Active | Active |
Pangunahing mga Pagkakaiba
- Tape-and-reel option within same BGA package (kumpara saATSAMA5D43B-CUR)
- Same 289-LFBGA footprint with errata fixes (kumpara saATSAMA5D43A-CU)
- In-family lower-speed migration path (kumpara saATSAMA5D42B-CU)
Talaan ng Disenyo
Use a 4-layer PCB stack-up with continuous GND planes directly beneath the 289-LFBGA footprint. Route DDR2/LPDDR signals on the top layer with reference to inner GND, keep matched lengths within 25 mil (0.635 mm), and use 100-ohm differential impedance for HSIC. Place eight 100 nF + four 4.7 uF decoupling capacitors within 5 mm of the BGA balls, distributed around the four BGA quadrants per Microchip's SAMA5D4 hardware design checklist.
Estimated: At 600 MHz active with VDDCORE at 1.2 V drawing ~200 mA (~240 mW) plus DDR2 I/O, total dissipation is roughly 400-500 mW. The 289-LFBGA's typical theta_JA of ~28 C/W on a 4-layer JEDEC board yields a junction-to-ambient rise of about 14C - well within industrial limits - but in sealed enclosures with no airflow, derate clock speed or add a small copper-pour heatsink. Use the SAMA5D4 BSDL/JTAG thermal diode for production testing.
Do not omit the external 32.768 kHz low-frequency crystal on the SAMA5D4 - it is required for the RTC, deep-sleep wakeup timers, and slow-clock domains. Do not boot from SD card without setting the BMS (Boot Mode Select) pins correctly via external pull resistors - the B-silicon revision defaults to NAND boot. Verify that the 1.2 V core regulator has at least 500 mA capacity and 3% accuracy across load transients to avoid LFSR errors during DDR2 training.
Impormasyon ng Pagsunod sa Kautusan
RoHS compliant per Microchip product page; industrial temperature grade -40C to +85C. AEC-Q100 not applicable - this is an MPU, not an automotive-grade IC. No halogen-free status explicitly confirmed in verified data; marked unknown.