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Texas Instruments AM4376BZDND100
- Part No.:
- AM4376BZDND100
- Manufacturer:
- Texas Instruments
- Category:
- Microprocessors
- Package:
- 491-LFBGA
- Datasheet:
-
AM4376BZDND100.pdf
- Description:
- IC MPU SITARA 1.0GHZ 491NFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:160
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Product details
Overview
AM4376BZDND100 from Texas Instruments is a high-performance ARM Cortex-A9 microprocessor operating at 800 MHz, integrating PowerVR SGX530 3D graphics, dual 12-bit SAR ADCs (867 kSPS), six eHRPWM modules, and dual industrial Ethernet MACs with IEEE 1588v2 support. It features PRU-ICSS for real-time EtherCAT/PROFINET offload and is packaged in a 491-ball NFBGA (17 mm × 17 mm, 0.65 mm pitch) for industrial automation control units.
For engineers reviewing the AM4376BZDND100 datasheet, AM4376BZDND100 pinout, AM4376BZDND100 application, or AM4376BZDND100 equivalent, key selection criteria include its 800 MHz Cortex-A9 core, dual 12-bit ADCs with touch-screen controller capability, PRU-ICSS real-time subsystem, 2× Gigabit Ethernet with PTP, and DDR3/LPDDR2 memory interface compatibility.
Technical Context
The AM4376BZDND100 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 containing two 200-MHz programmable real-time units supporting parallel EtherCAT and EnDat 2.2 execution. Its memory architecture includes 32-bit LPDDR2/DDR3/DDR3L interfaces (up to 400 MHz clock, DDR-800 data rate) and GPMC with BCH-based ECC for NAND/NOR/SRAM.
Peripherals are segmented across multiple clock domains: dual USB 2.0 dual-role ports with integrated PHY, two CAN 2.0B controllers, six UARTs with IrDA/CIR support, five McSPIs (up to 48 MHz), three I²C masters/slaves, and a display subsystem supporting up to 2048×2048 resolution with RGB/YUV overlays and gamma correction - all managed via a centralized PRCM module with five ADPLLs and DVFS.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-A9, 800 MHz - delivers deterministic real-time response for Linux-based HLOS while enabling concurrent industrial protocol stacks. |
| Graphics Engine | PowerVR SGX530, 20 MTri/s - enables hardware-accelerated GUI rendering for WXGA displays without CPU overhead. |
| ADC Performance | Two 12-bit SAR ADCs, 867 kSPS - supports simultaneous motor current sensing (ADC1) and resistive touch-screen control (ADC0). |
| Real-Time Subsystem | PRU-ICSS with two 200-MHz PRUs, 12KB+4KB IRAM/DRAM - executes EtherCAT slave stack independently of ARM core, reducing jitter to <1 µs. |
| Ethernet Interface | Dual 10/100/1000 Mbps MACs + integrated switch + IEEE 1588v2 PTP - enables time-synchronized multi-port industrial networking with hardware timestamping. |
| Memory Support | 32-bit DDR3/DDR3L/LPDDR2 (400/266 MHz), GPMC with 16-bit ECC - allows boot from NAND/NOR and high-bandwidth external RAM for real-time buffering. |
| Package | NFBGA-491, 17 mm × 17 mm, 0.65 mm pitch - optimized for cost-effective PCB routing using via-channel array technology. |
Pinout & Package
The AM4376BZDND100 is housed in a 491-ball NFBGA (ZDN suffix) package measuring 17.0 mm × 17.0 mm with 0.65 mm ball pitch and via-channel array technology for simplified layer routing and thermal management.
| 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, and peripheral clocks. |
| VDD_MPU / VDD_CORE | Core power supplies | Separate 0.95–1.1 V domains for MPU and core logic - enable independent DVFS scaling to balance performance and thermal load. |
| dss_data[0:13], dss_pclk, dss_hsync, dss_vsync | Display subsystem interface | Parallel RGB/YUV video bus supporting up to 2048×2048 @ 60 Hz - directly drives active matrix LCDs without external frame buffer. |
| ecap0_in_pwm0_out | eCAP/eHRPWM shared pin | Configurable as capture input for encoder feedback or PWM output for motor gate drive - supports closed-loop servo control with sub-microsecond timing. |
| uart0_rxd / uart0_txd | UART0 primary interface | Full-duplex serial port supporting IrDA/CIR modes and RTS/CTS flow control - used for debug console or fieldbus gateway communication. |
| USB0_DRVVBUS / USB1_DRVVBUS | USB VBUS control | GPIO-driven VBUS enable signals for dual USB 2.0 dual-role ports - allow host/device mode switching without external power switches. |
Key Features
| Feature | Design Value |
|---|---|
| PRU-ICSS real-time co-processor | Two independent 200-MHz RISC cores with 12KB+4KB parity-protected IRAM/DRAM - execute EtherCAT/PROFINET stacks with <1 µs jitter, freeing Cortex-A9 for HLOS tasks. |
| Integrated touch-screen controller | ADC0 configured as 4-/5-/8-wire resistive TSC - eliminates external touch controller IC and reduces BOM cost in HMI panels. |
| Dual industrial Ethernet MACs | Hardware IEEE 1588v2 timestamping and MII/RMII/RGMII/MDIO support - enables synchronized motion control across distributed drives without external timing hardware. |
| Crypto acceleration engine | AES-128/256, SHA-1/256, DES/3DES, RNG - accelerates secure boot, encrypted firmware updates, and TLS handshakes in edge IoT gateways. |
| Camera interface | Dual 8-/10-bit BT.656 or single 12-bit parallel input - supports barcode scanner imaging and dual-camera preview in portable data terminals. |
Applications
| Industrial PLC Controller | Human-Machine Interface (HMI) |
|---|---|
Use Scenario: Compact DIN-rail mounted programmable logic controller executing ladder logic and fieldbus protocols in factory automation cells. IC Role / Device Role / Timing Role: AM4376BZDND100 serves as main application processor running Linux RT, with PRU-ICSS handling EtherCAT slave timing and eQEP modules capturing encoder position data. Use Value: Dual Ethernet ports with PTP enable precise synchronization of I/O modules; 800 MHz Cortex-A9 ensures fast scan cycle times for complex control algorithms. | Use Scenario: Touch-enabled operator panel with color LCD display, local data logging, and remote diagnostics over cellular/Wi-Fi. IC Role / Device Role / Timing Role: AM4376BZDND100 integrates display controller, resistive touch-screen ADC, and crypto engine - eliminating discrete graphics and security ICs. Use Value: SGX530 GPU renders smooth GUI animations; on-chip ADC0 provides direct touch digitization; secure boot prevents unauthorized firmware loading. |
| Barcode Scanner Terminal | Motor Drive Control Unit |
Use Scenario: Handheld or fixed-mount scanner capturing 1D/2D barcodes in warehouse logistics with real-time image processing and Bluetooth connectivity. IC Role / Device Role / Timing Role: AM4376BZDND100 processes camera input via VPFE, runs OCR algorithms on Cortex-A9, and manages USB/Bluetooth comms - all within one SoC. Use Value: Dual 12-bit ADCs monitor battery voltage and temperature sensors; 6× eHRPWM channels generate precise gate drive signals for BLDC inverters. | Use Scenario: Compact servo drive controlling PMSM/BLDC motors in CNC machines or robotic arms with field-oriented control and current loop closure. IC Role / Device Role / Timing Role: AM4376BZDND100 executes FOC algorithm on Cortex-A9 while ADC1 samples phase currents and eCAP modules capture rotor position. Use Value: 867 kSPS ADC sampling enables 20 kHz current loop bandwidth; PRU-ICSS handles encoder interpolation and PWM dead-time insertion deterministically. |
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 |
|---|---|---|---|
| AM4379BZDND100 | 1000 MHz Cortex-A9, same PRU-ICSS and peripheral set - higher CPU throughput but increased power and thermal demand. | Better suited for compute-intensive vision analytics or multi-protocol gateways requiring >800 MHz headroom. | Select AM4379BZDND100 only if application requires sustained >800 MHz operation under thermal constraints; otherwise AM4376BZDND100 offers optimal power/performance balance. |
| AM4372BZDND600 | 600 MHz Cortex-A9, identical package and peripheral complement - lower frequency grade with reduced dynamic power and cost. | Ideal for cost-sensitive PLCs or HMIs where deterministic real-time latency matters more than raw MIPS. | Choose AM4372BZDND600 when application workload fits within 600 MHz budget and thermal envelope is tighter; retains full PRU-ICSS and ADC functionality. |
Compared with AM4379BZDND100, the AM4376BZDND100 delivers 800 MHz performance with lower junction temperature rise and reduced cooling requirements, while retaining identical real-time capabilities via PRU-ICSS and industrial peripherals - making it the preferred choice for thermally constrained embedded control designs.
Availability
AM4376BZDND100 is available at Aetrix Electronics and suitable for industrial automation, human-machine interface, and portable data terminal applications requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for AM4376BZDND100 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 communications markets since 1930.
The AM437x Sitara™ processor family - including the AM4376BZDND100 - was designed specifically for industrial automation and real-time edge computing, combining ARM Cortex-A9 application processing with PRU-ICSS for deterministic protocol offload and integrated peripherals for HMI, motor control, and machine vision.
FAQ
What is the maximum operating frequency of the AM4376BZDND100 processor core?
The AM4376BZDND100 features an ARM Cortex-A9 microprocessor core rated for operation at up to 800 MHz. This frequency is validated across the commercial temperature range (0°C to 90°C) and supported by TI's production test flow. The core includes 32KB L1 instruction and data caches, and the device can configure its 256KB on-chip memory as either L2 cache or L3 RAM depending on system requirements. The AM4376BZDND100 maintains full peripheral functionality at this speed.
Does the AM4376BZDND100 support secure boot functionality?
No, the AM4376BZDND100 does not support secure boot. Secure boot is exclusively available on AM437x High-Security (AM437xHS) devices, which include additional cryptographic keys, secure watchdog timers, and debug security features. The AM4376BZDND100 includes crypto hardware accelerators (AES, SHA, RNG, DES, 3DES) but lacks the fuse-based secure boot chain required for authenticated firmware loading. For secure boot requirements, consider AM437xHS variants.
What types of memory interfaces does the AM4376BZDND100 support?
The AM4376BZDND100 supports multiple memory interfaces: a 32-bit LPDDR2/DDR3/DDR3L EMIF with 400 MHz clock (DDR-800 data rate), a General-Purpose Memory Controller (GPMC) for NAND/NOR/SRAM with up to 16-bit ECC, and a Quad-SPI interface supporting XIP from serial NOR flash. It also includes 256KB on-chip OCMC RAM accessible by all masters and 64KB on-chip boot ROM. These interfaces enable flexible boot options and high-bandwidth external memory access for real-time buffering.
Can the AM4376BZDND100 operate in extended temperature environments?
No, the AM4376BZDND100 is specified for operation from 0°C to 90°C ambient temperature. It belongs to the commercial-grade AM437x family variant. For extended temperature operation (–40°C to 105°C), TI offers the AM4377BZDND100 and AM4378BZDND100 variants. These share identical pinout and peripheral sets but undergo additional qualification testing for industrial temperature ranges. Thermal design for AM4376BZDND100 must remain within its specified junction temperature limits.
How many real-time Ethernet protocols can the AM4376BZDND100 support simultaneously via PRU-ICSS?
The AM4376BZDND100's PRU-ICSS supports concurrent execution of multiple real-time industrial protocols - specifically, it can run EtherCAT and EnDat 2.2 simultaneously on separate PRU cores. Each PRU subsystem contains two 200-MHz RISC cores with dedicated instruction and data RAM, allowing independent protocol stacks. TI documentation confirms parallel EtherCAT slave and EnDat master operation, enabling coordinated motion control and position feedback without CPU intervention.
AM4376BZDND100 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 491-LFBGA
- Series:
- Sitara™
- Packaging:
- Tray
- Product Status:
- Active
- 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:
- No
- 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:
- -40°C ~ 90°C (TJ)
- Grade:
- -
- Qualification:
- -
- Security Features:
- Crypto Accelerator
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 491-NFBGA (17x17)
- Additional Interfaces:
- CAN, HDQ/1-Wire, I2C, McASP, MMC/SD/SDIO, QSPI, SPI, SD/SDIO, UART
AM4376BZDND100 FAQ
1.How can I place an order for AM4376BZDND100 through Aetrix?
Please submit a Request for Quotation (RFQ) for AM4376BZDND100 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 AM4376BZDND100 reliable?
The price and inventory of AM4376BZDND100 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AM4376BZDND100 is usually 5 days.
3.What payment methods are accepted for AM4376BZDND100?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AM4376BZDND100 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AM4376BZDND100?
AM4376BZDND100 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AM4376BZDND100 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 AM4376BZDND100?
For technical support, including AM4376BZDND100 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AM4376BZDND100 requirements.
6.How does Aetrix verify that AM4376BZDND100 is sourced from the original manufacturer or authorized distributors?
All AM4376BZDND100 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 AM4376BZDND100 meets industry standards.
7.What is the process for return or replacement of AM4376BZDND100?
All AM4376BZDND100 units undergo pre-shipment inspection (PSI). If there is an issue with AM4376BZDND100, 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 AM4376BZDND100 part is unused and in its original packaging.
Return procedure for AM4376BZDND100:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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