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Texas Instruments XAM437XAZDN
- Part No.:
- XAM437XAZDN
- Manufacturer:
- Texas Instruments
- Category:
- Microprocessors
- Package:
- -
- Datasheet:
-
XAM437XAZDN.pdf
- Description:
- IC MPU SITARA 800MHZ 491NFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:4,903
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Product details
Overview
XAM437XAZDN from Texas Instruments is a high-performance Sitara™ ARM® Cortex®-A9 processor operating at up to 1000 MHz, integrating dual 12-bit SAR ADCs (867 kSPS), six eHRPWM modules, three eQEP modules, and PRU-ICSS for industrial Ethernet protocols including EtherCAT and PROFINET. It supports LPDDR2/DDR3/DDR3L memory, features a PowerVR SGX530 3D graphics engine, and targets industrial automation and embedded HMI applications.
For engineers reviewing the XAM437XAZDN datasheet, XAM437XAZDN pinout, XAM437XAZDN application, or XAM437XAZDN equivalent, this page delivers verified technical context, package mapping, validated alternatives, and real-world use-value for deterministic real-time control, touch-enabled HMI, and multi-protocol industrial connectivity.
Technical Context
The XAM437XAZDN implements a dual-core-capable ARM Cortex-A9 subsystem with 32KB L1 instruction/data cache and configurable 256KB L2 cache or L3 RAM, paired with a dedicated PRU-ICSS subsystem containing two 200-MHz programmable real-time units supporting parallel EtherCAT and EnDat execution. Its memory subsystem includes 32-bit DDR3/DDR3L interfaces (400-MHz clock, DDR-800 data rate) and GPMC with BCH-based ECC for NAND/NOR/SRAM.
Peripherals include two USB 2.0 dual-role ports with integrated PHY, dual gigabit Ethernet MACs with IEEE 1588v2 PTP support, two CAN 2.0B controllers, six UARTs with IrDA/CIR, five McSPIs, three I²C masters/slaves, QSPI with XIP capability, and dual 12-bit SAR ADCs-one configurable as a 4-/5-/8-wire resistive touch screen controller.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-A9, up to 1000 MHz - enables Linux-based HLOS with deterministic real-time response via PRU-ICSS offload. |
| Memory Interface | 32-bit DDR3/DDR3L @ 400 MHz (DDR-800) - supports 2GB address space with x32/x16/x8 device configurations for scalable system memory. |
| ADC Performance | Two 12-bit SAR ADCs, 867 kSPS max - provides simultaneous analog sensing and resistive touch control without external ICs. |
| PRU-ICSS | Two independent PRU cores @ 200 MHz, 12KB+4KB IRAM, 8KB+4KB DRAM - executes EtherCAT, PROFINET, and EnDat in parallel with ARM core. |
| Graphics Engine | PowerVR SGX530, 20M triangles/sec - renders WXGA displays with overlay, gamma correction, and partial refresh for low-power HMIs. |
| Package | 491-pin NFBGA (ZDN), 17 mm × 17 mm, 0.65-mm pitch - enables cost-effective routing using via-channel array technology. |
| Industrial Interfaces | 2× CAN 2.0B, 6× UART, 5× McSPI, 3× I²C, QSPI, HDQ/1-Wire - supports sensor fusion, motor control, and legacy fieldbus bridging. |
Pinout & Package
491-ball NFBGA (ZDN) package, 17.0 mm × 17.0 mm body size, 0.65-mm ball pitch, via-channel array architecture for simplified PCB routing and thermal performance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| XTALIN / XTALOUT | Oscillator input/output | Accepts 19.2/24/25/26 MHz crystal for system clock generation; drives internal ADPLLs for MPU, DDR, USB, and peripheral clocks. |
| VDD_MPU / VDD_CORE | Core power domains | Separate 1.05–1.15 V supplies for MPU and core logic; enable DVFS and deep-sleep mode sequencing via PRCM module. |
| dss_data[0:15] / dss_pclk / dss_hsync / dss_vsync | Display subsystem interface | Supports RGB888, YUV422, and CLUT formats up to 2048×2048; enables direct connection to active/passive LCD panels and RFBI remote frame buffers. |
| mcasp0_axr0 / mcasp0_fsx / mcasp0_aclkx | McASP0 serial audio interface | Configurable for TDM/I²S/SPDIF with 50-MHz clocks and 256-byte FIFOs - suitable for voice prompt, audio feedback, and industrial comms. |
| USB0_DRVVBUS / USB1_DRVVBUS | USB VBUS control | Drives external VBUS switches for dual-role USB operation; supports host/device enumeration without external level shifters. |
| gpio5_8 / gpio5_9 / gpio5_10 / gpio5_11 / gpio5_12 / gpio5_13 | General-purpose I/O bank | 32-bit multiplexed GPIO per bank; supports interrupt generation, DMA event triggering, and PRU-ICSS pin access for custom peripheral emulation. |
Key Features
| Feature | Design Value |
|---|---|
| PRU-ICSS with dual 200-MHz RISC cores | Enables concurrent execution of EtherCAT master and EnDat 2.2 position feedback on same SoC without ARM intervention. |
| Integrated touch-screen controller (TSC) | ADC0 configured as 4-/5-/8-wire resistive TSC eliminates need for external touch controller in portable HMIs and medical devices. |
| Dual gigabit Ethernet with IEEE 1588v2 | Hardware timestamping and PTP stack acceleration support sub-microsecond synchronization for motion control networks. |
| Secure boot (HS variant only) | Boot ROM validates signed images before execution - prevents unauthorized firmware loading in safety-critical industrial systems. |
| QSPI with execute-in-place (XIP) | Direct code execution from serial NOR flash reduces BOM cost and simplifies boot media design for headless edge nodes. |
Applications
| Industrial PLC HMI | Barcode Scanner Terminal |
|---|---|
Use Scenario: Compact panel-mounted HMI with touchscreen, real-time motion control visualization, and EtherCAT slave interface. IC Role / Device Role / Timing Role: XAM437XAZDN serves as main application processor, display controller, TSC, and EtherCAT protocol stack executor via PRU-ICSS. Use Value: Single-chip integration replaces discrete MCU + FPGA + graphics + PHY solution, reducing board area by >40% and enabling <100 µs servo loop jitter. |
Use Scenario: Handheld barcode scanner with laser/imager, Bluetooth/Wi-Fi connectivity, and battery-powered operation. IC Role / Device Role / Timing Role: XAM437XAZDN runs Linux OS, manages camera interface (BT656/BT1120), processes image data, and handles dual-role USB for firmware updates. Use Value: On-chip ADC and PWM support analog sensor monitoring and LED/laser driver control; QSPI XIP enables fast boot from low-cost flash. |
| Medical Patient Monitor | Test & Measurement Equipment |
Use Scenario: Portable patient monitor with ECG waveform display, touch UI, and wireless data upload to hospital network. IC Role / Device Role / Timing Role: XAM437XAZDN acquires analog biosignals via ADC1, renders real-time waveforms using SGX530 GPU, and manages dual Ethernet/USB for secure data export. Use Value: Integrated RTC with battery backup maintains time-stamped clinical data across power cycles; dual CAN supports infusion pump coordination. |
Use Scenario: Benchtop oscilloscope or signal generator with high-resolution display, multi-channel analog capture, and PC connectivity. IC Role / Device Role / Timing Role: XAM437XAZDN acts as system controller, display compositor, and waveform generator using eHRPWM and eCAP modules. Use Value: Six eHRPWM channels generate precise arbitrary waveforms; 12-bit ADCs sample at 867 kSPS for basic acquisition; PRU-ICSS handles trigger timing with nanosecond resolution. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ARM-based industrial processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AM4379ZDN | Same ZDN package and pinout; higher guaranteed max frequency (1000 MHz vs. XAM437XAZDN's unspecified speed grade); identical peripheral set and PRU-ICSS feature set. | Targeted at full-spec industrial designs requiring guaranteed 1-GHz operation under extended temperature (–40°C to 105°C). | Select AM4379ZDN when full-speed operation across automotive-grade temp range is required; otherwise XAM437XAZDN offers identical functionality at lower cost. |
| AM4377ZDN | Same ZDN package; lower guaranteed CPU frequency (300 MHz); identical PRU-ICSS, ADC, PWM, and interface peripherals; shares same software stack and Linux SDK. | Suitable for cost-sensitive, lower-throughput applications such as simple HMIs or gateway nodes where real-time latency is less critical. | Choose AM4377ZDN for designs prioritizing BOM cost over processing headroom; software compatibility ensures seamless migration path to XAM437XAZDN if performance needs evolve. |
Compared with AM4379ZDN and AM4377ZDN, XAM437XAZDN occupies the mid-tier performance segment-delivering full PRU-ICSS and graphics capability without the premium thermal rating of AM4379ZDN or the frequency limitation of AM4377ZDN-making it optimal for balanced industrial HMI and control applications.
Availability
XAM437XAZDN is available at Aetrix Electronics and suitable for industrial automation, portable medical devices, and test & measurement equipment requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for XAM437XAZDN includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor company specializing in analog, embedded processing, and connectivity technologies, with decades of leadership in industrial and automotive silicon.
The AM437x family-including XAM437XAZDN-is designed for deterministic real-time industrial communication, rich graphical HMIs, and scalable embedded computing, targeting applications from PLCs to portable diagnostics.
FAQ
What is the maximum operating frequency of the XAM437XAZDN?
The XAM437XAZDN is part of the AM437x family rated up to 1000 MHz. While its exact speed grade is not specified in public documentation, it shares the same silicon process and package as the AM4379ZDN (guaranteed 1000 MHz) and supports identical clocking architecture via five ADPLLs. System-level performance depends on thermal design and voltage regulation.
Does the XAM437XAZDN support secure boot functionality?
XAM437XAZDN does not include secure boot capability. That feature is exclusive to AM437xHS (High-Security) variants, which contain additional fuse-based key storage and cryptographic authentication hardware. XAM437XAZDN supports crypto acceleration (AES/SHA/RNG) but lacks the secure boot ROM and debug security enforcement found in HS devices.
Can the XAM437XAZDN drive a capacitive touchscreen?
No-the XAM437XAZDN integrates only a resistive touch-screen controller (TSC) within ADC0, supporting 4-/5-/8-wire configurations. Capacitive touch requires external controller ICs or companion PMICs with CTP support; the device's GPIO and PRU-ICSS can interface with such external controllers but provide no native capacitive sensing circuitry.
What industrial Ethernet protocols does the PRU-ICSS in XAM437XAZDN support?
The PRU-ICSS in XAM437XAZDN supports EtherCAT, PROFINET, EtherNet/IP, PROFIBUS, EnDat 2.2, and Sercos out of the box via TI's Industrial Communications Engine (ICE) software stack. Both PRU-ICSS subsystems operate independently, enabling concurrent execution of multiple protocols-for example, EtherCAT master and EnDat slave simultaneously.
Is the XAM437XAZDN pin-compatible with other AM437x ZDN-package devices?
Yes-XAM437XAZDN uses the same 491-pin NFBGA (ZDN) package as AM4372ZDN, AM4376ZDN, AM4377ZDN, AM4378ZDN, and AM4379ZDN. All share identical ball map, power domains, and peripheral pin assignments, enabling hardware reuse across performance grades and feature sets within the AM437x family.
XAM437XAZDN Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- -
- Series:
- Sitara™
- Packaging:
- Tray
- Product Status:
- Obsolete
- Core Processor:
- ARM® Cortex®-A9
- Number of Cores/Bus Width:
- 1 Core, 32-Bit
- Speed:
- 800MHz
- Co-Processors/DSP:
- Multimedia; NEON™ SIMD
- RAM Controllers:
- LPDDR2, DDR3, DDR3L
- Graphics Acceleration:
- Yes
- Display & Interface Controllers:
- TSC, WXGA
- Ethernet:
- 10/100/1000Mbps (2)
- SATA:
- -
- USB:
- USB 2.0 + PHY (2)
- Voltage - I/O:
- 1.8V, 3.3V
- Operating Temperature:
- 0°C ~ 90°C (TJ)
- Grade:
- -
- Qualification:
- -
- Security Features:
- Crypto Accelerator
- Mounting Type:
- -
- Supplier Device Package:
- 491-NFBGA (17x17)
- Additional Interfaces:
- CAN, HDQ/1-Wire, I2C, McASP, MMC/SD/SDIO, QSPI, SPI, SD/SDIO, UART
XAM437XAZDN FAQ
1.How can I place an order for XAM437XAZDN through Aetrix?
Please submit a Request for Quotation (RFQ) for XAM437XAZDN on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for XAM437XAZDN reliable?
The price and inventory of XAM437XAZDN are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for XAM437XAZDN is usually 5 days.
3.What payment methods are accepted for XAM437XAZDN?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for XAM437XAZDN transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for XAM437XAZDN?
XAM437XAZDN orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your XAM437XAZDN order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for XAM437XAZDN?
For technical support, including XAM437XAZDN datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your XAM437XAZDN requirements.
6.How does Aetrix verify that XAM437XAZDN is sourced from the original manufacturer or authorized distributors?
All XAM437XAZDN products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that XAM437XAZDN meets industry standards.
7.What is the process for return or replacement of XAM437XAZDN?
All XAM437XAZDN units undergo pre-shipment inspection (PSI). If there is an issue with XAM437XAZDN, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The XAM437XAZDN part is unused and in its original packaging.
Return procedure for XAM437XAZDN:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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