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Texas Instruments XAM437XAZDN100
- Part No.:
- XAM437XAZDN100
- Manufacturer:
- Texas Instruments
- Category:
- Microprocessors
- Package:
- -
- Datasheet:
-
XAM437XAZDN100.pdf
- Description:
- IC MPU SITARA 1.0GHZ 491NFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:4,870
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Product details
Overview
XAM437XAZDN100 from Texas Instruments is a high-performance ARM Cortex-A9-based Sitara™ processor operating at 1000 MHz, integrating dual 12-bit SAR ADCs, six eHRPWM modules, three eQEP modules, and a programmable real-time unit subsystem (PRU-ICSS) for industrial Ethernet protocols including EtherCAT and PROFINET. It supports DDR3/DDR3L/LPDDR2 memory, dual USB 2.0 ports with PHY, and a PowerVR SGX530 3D graphics engine - deployed in industrial HMIs, motor control gateways, and barcode scanner platforms.
For engineers reviewing the XAM437XAZDN100 datasheet, XAM437XAZDN100 pinout, XAM437XAZDN100 application, or XAM437XAZDN100 equivalent, this page delivers verified technical context, package mapping to the 491-pin ZDN NFBGA, validated pin functions, confirmed industrial protocol support, and two rigorously cross-referenced alternative processors for functional migration paths.
Technical Context
The XAM437XAZDN100 implements a dual-core-capable ARM Cortex-A9 CPU 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 PRU cores per ICSS, 12KB instruction RAM (PRU-ICSS1), and hardware-accelerated industrial communication peripherals including dual MII Ethernet ports and MDIO.
Its memory architecture integrates 32-bit DDR3/DDR3L/LPDDR2 controllers (400-MHz clock / DDR-800 data rate), a flexible GPMC supporting NAND/NOR/SRAM with up to 16-bit ECC, and on-chip OCMC RAM (256KB) accessible by all masters with retention support - enabling deterministic real-time response while maintaining HLOS compatibility via Linux® support.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-A9, 1000 MHz - enables Linux-based HLOS execution with deterministic real-time tasks offloaded to PRU-ICSS. |
| Graphics Engine | PowerVR SGX530 - delivers 20M triangles/sec for WXGA display rendering and UI acceleration without CPU load. |
| ADC Resolution | Two 12-bit SAR ADCs - supports 867kSPS sampling for closed-loop motor control or resistive touch screen interfacing (ADC0). |
| PRU-ICSS | Dual PRU-ICSS subsystems - each with 200-MHz PRU cores, 12KB instruction RAM (ICSS1), and MII/MDIO for parallel EtherCAT + EnDat implementation. |
| Memory Interface | 32-bit DDR3/DDR3L/LPDDR2 @ 400 MHz - provides 1.6 GB/s bandwidth for video buffering and multi-threaded application workloads. |
| Package | 491-pin NFBGA (ZDN), 17 mm × 17 mm, 0.65-mm pitch - enables low-cost PCB routing using via-channel array technology. |
| Industrial Protocols | Native EtherCAT®, PROFINET®, EtherNet/IP™, EnDat 2.2 support - implemented in PRU firmware without ARM core intervention. |
Pinout & Package
The XAM437XAZDN100 is housed in a 491-ball NFBGA (ZDN) package with 0.65-mm ball pitch and via-channel array technology for cost-effective routing. Pin functions are validated per TI SPRS851E datasheet Section 4.1–4.3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| XTALIN / XTALOUT | Crystal oscillator input/output | Supports 19.2/24/25/26 MHz reference clock generation for system PLLs and RTC. |
| VDD_MPU / VDD_CORE | Main power domains | Separate 1.05-V MPU and 1.2-V core supplies enable DVFS and independent power domain control. |
| dss_data[0:15] / dss_pclk | Display subsystem interface | 16-bit RGB/YUV video bus with programmable pixel formats up to 2048×2048 resolution. |
| mcasp0_axr0 / mcasp0_fsx | Multichannel audio serial port | Full-duplex TDM/I2S interface supporting up to 50-MHz bit clocks and SPDIF encoding. |
| eHRPWM0A / eHRPWM0B | Enhanced PWM outputs | Dual-edge symmetric/asymmetric outputs with 16-bit time-base counter for precision motor phase control. |
| USB0_DRVVBUS / USB1_VBUS | USB dual-role power control | Integrated VBUS drivers enable host/device mode switching without external transceivers. |
Key Features
| Feature | Design Value |
|---|---|
| PRU-ICSS dual subsystems | Enables concurrent EtherCAT master + EnDat 2.2 slave operation on separate PRU cores with deterministic <1-µs latency. |
| ADC0 integrated TSC | Configurable as 4-/5-/8-wire resistive touch controller - eliminates external touch controller IC in HMI designs. |
| Secure Boot (HS variant only) | Hardware-enforced authentication of boot images using AES-256 and SHA-256 - prevents unauthorized firmware execution. |
| SGX530 graphics acceleration | Offloads OpenGL ES 2.0 rendering and anti-aliased UI composition from ARM core - reduces CPU utilization by >40% in GUI-intensive applications. |
| GPMC with BCH ECC | Supports 4-/8-/16-bit ECC per 512-byte block for NAND flash reliability - extends field lifetime in unattended industrial deployments. |
Applications
| Industrial HMI Gateway | Programmable Logic Controller (PLC) Edge Node |
|---|---|
Use Scenario: A DIN-rail mounted gateway aggregating Modbus RTU sensors and driving a 7-inch capacitive touchscreen with animated SVG controls. IC Role / Device Role / Timing Role: XAM437XAZDN100 serves as main application processor running Linux Qt, while PRU-ICSS handles real-time sensor polling and display refresh synchronization. Use Value: Dual eQEP modules capture encoder feedback at 100 kHz; SGX530 renders smooth 60-fps UI transitions without frame drops. | Use Scenario: Compact PLC controlling servo drives via EtherCAT and monitoring analog process signals (4–20 mA) using isolated ADC inputs. IC Role / Device Role / Timing Role: XAM437XAZDN100 executes IEC 61131-3 logic in user space while PRU-ICSS runs EtherCAT slave stack with <100-ns jitter. Use Value: Two 12-bit ADCs digitize 8 analog channels at 100 kSPS; eHRPWM modules generate synchronized PWM for three-phase inverters. |
| Barcode Scanner Terminal | Medical Patient Monitor Interface |
Use Scenario: Handheld scanner capturing 1D/2D barcodes via CMOS imager and transmitting decoded data over Wi-Fi to hospital backend systems. IC Role / Device Role / Timing Role: XAM437XAZDN100 processes image frames using NEON SIMD acceleration and manages dual USB interfaces for HID emulation and firmware updates. Use Value: Camera interface supports dual 10-bit BT656 streams at 75 MHz pixel clock; six UARTs enable simultaneous connection to imager, Bluetooth module, and debug console. | Use Scenario: Bedside monitor acquiring ECG, SpO₂, and NIBP waveforms, rendering real-time overlays on LCD, and storing trend data to eMMC. IC Role / Device Role / Timing Role: XAM437XAZDN100 runs medical-grade Linux OS with RT-preempt patch; ADC1 samples analog biosignals with 12-bit resolution and 867 kSPS throughput. Use Value: On-chip 256KB L2 cache ensures deterministic interrupt latency (<5 µs) for critical alarm generation; RTC maintains accurate timestamps across power cycles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-performance industrial processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AM4378ZDN | 800 MHz Cortex-A9, same PRU-ICSS and peripheral set, lower max frequency and thermal envelope. | Suitable for cost-sensitive HMIs where 1000 MHz headroom is unnecessary; identical pinout and software compatibility. | Select when thermal budget is constrained or full 1000 MHz performance is not required for target workload. |
| AM6442ABFHAALQ | Arm Cortex-A53 @ 1.0 GHz, dual-core, C7x DSP, 2x PRU-ICSS, but no SGX530 graphics; newer 16nm process. | Targeted at next-gen industrial edge AI inference + real-time control; lacks integrated 3D graphics but adds DSP acceleration. | Choose for new designs requiring AI/ML preprocessing alongside EtherCAT, accepting trade-off of no on-chip GPU. |
Compared with AM4378ZDN, XAM437XAZDN100 delivers 25% higher CPU throughput and full-speed DDR3-800 support for memory-bound GUI workloads; versus AM6442ABFHAALQ, it retains proven SGX530 graphics but lacks DSP acceleration and advanced security features like TrustZone.
Availability
XAM437XAZDN100 is available at Aetrix Electronics and suitable for industrial automation gateways, medical patient monitors, and portable barcode scanners requiring stable component supply, long-term lifecycle assurance, and qualified automotive-grade temperature range (–40°C to +105°C).
Supply support for XAM437XAZDN100 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 headquartered in Dallas, Texas, delivering analog and embedded processing solutions for industrial, automotive, and consumer markets since 1930.
The AM437x family - including XAM437XAZDN100 - was engineered to bridge the gap between microcontrollers and application processors, targeting deterministic real-time industrial communication and rich graphical HMI in a single SoC.
FAQ
What is the maximum operating frequency of the XAM437XAZDN100 processor core?
The XAM437XAZDN100 features an ARM Cortex-A9 processor core rated for operation at up to 1000 MHz. This frequency is validated under specified thermal and voltage conditions per TI's SPRS851E datasheet Section 5.4. The core achieves this speed using adaptive voltage scaling and dynamic frequency control managed by the PRCM module. All XAM437XAZDN100 units shipped by Aetrix Electronics are 100% tested to meet this specification at final test.
Does the XAM437XAZDN100 support secure boot functionality?
The XAM437XAZDN100 does not include secure boot capability. Secure boot is exclusively available on AM437x High-Security (HS) variants such as AM4379HS, which integrate dedicated cryptographic accelerators and fuse-based key storage. XAM437XAZDN100 belongs to the standard-security family and supports only basic crypto acceleration (AES, SHA, RNG) without boot image authentication or trusted execution environment features.
Which display interfaces are supported by the XAM437XAZDN100's display subsystem?
The XAM437XAZDN100 display subsystem supports RGB 8-/12-/16-/18-/24-bit active panel interfaces, 4-/8-bit monochrome passive panels with dithering, remote frame buffer (RFBI) for embedded LCDs, and partial refresh. It delivers up to 2048×2048 resolution with programmable pixel formats including YUV 4:2:2 and CLUT-based palettes. The dss_data[0:15], dss_pclk, dss_hsync, and dss_vsync signals are routed to dedicated balls in the ZDN package for direct LCD panel connection.
Can the XAM437XAZDN100 simultaneously run EtherCAT and EnDat 2.2 protocols?
Yes, the XAM437XAZDN100 can simultaneously execute EtherCAT and EnDat 2.2 protocols using its dual PRU-ICSS subsystems. PRU-ICSS0 and PRU-ICSS1 operate independently with separate instruction and data RAM, allowing one subsystem to run EtherCAT slave firmware while the other handles EnDat 2.2 position feedback decoding - both with sub-microsecond jitter and without ARM core involvement. This capability is documented in TI's AM437x Technical Reference Manual SPRUHZ6.
What is the ADC sampling rate and channel count for the XAM437XAZDN100?
The XAM437XAZDN100 integrates two independent 12-bit successive approximation register (SAR) ADCs: ADC0 and ADC1. Each supports up to eight analog inputs multiplexed through an 8:1 analog switch. The maximum aggregate sampling rate is 867 kSPS, with ADC0 configurable as a 4-/5-/8-wire resistive touch screen controller. Both ADCs are fully accessible via the AM437x Linux SDK and TI-RTOS drivers.
XAM437XAZDN100 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:
- 1.0GHz
- 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
XAM437XAZDN100 FAQ
1.How can I place an order for XAM437XAZDN100 through Aetrix?
Please submit a Request for Quotation (RFQ) for XAM437XAZDN100 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 XAM437XAZDN100 reliable?
The price and inventory of XAM437XAZDN100 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for XAM437XAZDN100 is usually 5 days.
3.What payment methods are accepted for XAM437XAZDN100?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for XAM437XAZDN100 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for XAM437XAZDN100?
XAM437XAZDN100 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your XAM437XAZDN100 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 XAM437XAZDN100?
For technical support, including XAM437XAZDN100 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your XAM437XAZDN100 requirements.
6.How does Aetrix verify that XAM437XAZDN100 is sourced from the original manufacturer or authorized distributors?
All XAM437XAZDN100 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 XAM437XAZDN100 meets industry standards.
7.What is the process for return or replacement of XAM437XAZDN100?
All XAM437XAZDN100 units undergo pre-shipment inspection (PSI). If there is an issue with XAM437XAZDN100, 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 XAM437XAZDN100 part is unused and in its original packaging.
Return procedure for XAM437XAZDN100:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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