AM4378BZDNA100

Overview

The AM4378BZDNA100 is a microprocessor from the Texas Instruments Sitara AM437x series, built on an ARM Cortex-A9 core. It operates at a maximum clock frequency of 1000 MHz and utilizes a 32-bit data bus. The component is housed in a BGA-491 package with surface-mount installation. It supports multiple I/O voltages including 1.2 V, 1.35 V, 1.5 V, 1.8 V, and 3.3 V. The processor features integrated L1/L2 cache, RAM, and ROM storage types. It includes interfaces such as CAN, Ethernet, I2C, SPI, UART, and USB. The operating temperature range spans from -40°C to +105°C.

Feature Summary

• Integrates a single-core ARM Cortex-A9 processor for embedded control tasks
• Includes hardware security enablers supporting secure boot and cryptographic acceleration
• Features a 3D graphics co-processor for display rendering
• Incorporates Programmable Real-Time Unit and Industrial Communication Subsystem (PRU-ICSS)

Applications

• Industrial automation systems requiring real-time processing
• Human-machine interface (HMI) displays
• Smart building controllers
• Medical equipment

Procurement Notes

Verify the specific suffix DNA100 against official Texas Instruments documentation to confirm the exact speed grade and package variant. Ensure compatibility with required power management ICs and memory configurations. Check for current availability status as product lifecycles may affect supply. Confirm RoHS compliance and moisture sensitivity levels prior to assembly planning.

Selection Notes

Select this component when a high-performance Cortex-A9 solution with industrial temperature ratings is required. The 1000 MHz speed grade offers enhanced processing capability compared to lower-frequency variants. Consider the integrated PRU-ICSS for deterministic I/O control needs. Evaluate the BGA-491 footprint constraints during PCB layout design.

Part Context

This part belongs to the Texas Instruments Sitara AM437x family of application processors. These devices are designed for cost-sensitive, high-volume embedded applications. The family shares common architectural features but varies in clock speed, memory size, and peripheral sets. The AM4378 specifically targets applications needing robust connectivity and multimedia capabilities.

Replacement Considerations

Consult official substitution guides for compatible parts within the AM437x family. Verify pin-to-pin compatibility and electrical specifications before replacing.