AM4377BZDNA80

Overview

The AM4377BZDNA80 is a microprocessor from the Texas Instruments Sitara family, featuring an ARM Cortex-A9 core. It operates at a maximum clock frequency of 800 MHz and utilizes a BGA-491 package. The device includes 32 kB L1 instruction and data caches, 64 kB data RAM, 256 kB data ROM, and a 256 kB L2 cache. 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 functions within a temperature range of -40°C to +105°C and requires a 1.26 V operating supply voltage.

Feature Summary

• Integrates Programmable Real-Time Unit and Industrial Communication Subsystem (PRU-ICS) for deterministic real-time control tasks alongside the main application processor.
• Supports diverse industrial communication protocols through integrated interfaces including CAN, Ethernet, I2C, SPI, UART, and USB.
• Designed for robust operation in demanding environments with extended industrial temperature ratings.

Applications

• Industrial automation controllers
• Human-machine interface (HMI) displays
• Smart grid energy management systems

Procurement Notes

Verify the specific suffix DNA80 against the official datasheet to confirm the exact speed grade and package variant. Ensure compatibility with required I/O voltage levels during board design. Confirm moisture sensitivity level handling procedures are followed according to the manufacturer's guidelines for surface-mount assembly.

Selection Notes

Select this component when deterministic real-time performance via PRU-ICS is required alongside general-purpose processing. Consider the 800 MHz clock speed and available memory resources relative to the target operating system complexity. Evaluate the BGA-491 footprint constraints and thermal dissipation requirements for the specific enclosure design.

Part Context

This part belongs to the Texas Instruments Sitara AM43xx series, which targets cost-sensitive embedded applications requiring Linux or RTOS capabilities. The AM4377 variant specifically emphasizes connectivity and real-time features suitable for industrial networking and control applications.

Replacement Considerations

Consult the official Texas Instruments Sitara product migration guide for verified pin-to-pin or functional equivalents. Cross-reference memory maps and peripheral availability before substituting with other AM43xx variants.