AM4378BZDND80

Overview

The AM4378BZDND80 is a microprocessor from the Texas Instruments Sitara family, featuring an ARM Cortex-A9 core operating at a maximum clock frequency of 800 MHz. It utilizes a BGA-491 package and supports a 32-bit data bus width. The device includes 32 kB L1 instruction and data caches, along with 256 kB of L2 cache. Internal memory consists of 64 kB RAM and 256 kB ROM. It operates within a temperature range of -40°C to +105°C and requires a working supply voltage of 1.26 V.

Feature Summary

• Integrates Programmable Real-Time Unit and Industrial Communication Subsystem (PRU-ICSS) for deterministic real-time processing and industrial protocol support.
• Includes PowerVR SGX graphics accelerator subsystem to enable rich graphical user interfaces and display acceleration.
• Supports multiple high-speed peripheral interfaces including Ethernet, USB, CAN, I2C, SPI, and UART.

Applications

• Industrial automation systems requiring EtherCAT or PROFINET connectivity
• Human-machine interface (HMI) displays with advanced graphics capabilities
• Smart energy management devices such as smart meters

Procurement Notes

Verify the exact suffix against the manufacturer's official datasheet to confirm pin compatibility and thermal specifications. Ensure that the procurement channel provides valid traceability documentation. Confirm that the component meets the required RoHS compliance standards for your specific manufacturing region before finalizing orders.

Selection Notes

Select this processor when deterministic real-time control via PRU-ICSS is required alongside general-purpose computing. It is suitable for applications needing hardware-accelerated graphics without external GPU components. Consider the BGA-491 package constraints during PCB layout and ensure adequate thermal management for the specified operating temperature range.

Part Context

This component belongs to the AM437x Sitara processor series, designed for embedded applications bridging high-performance computing and real-time control. It serves as an upgrade path for legacy systems using lower-performance ARM cores, offering enhanced peripherals like QSPI-NOR and LPDDR2 memory options while maintaining software compatibility.

Replacement Considerations

Consult the official AM437x family datasheet for verified cross-references. Potential substitutes include other variants within the AM437x series, such as the AM4376 or AM4378, provided they match the specific package type and performance requirements.