AM1707BZKBA3

Overview

The AM1707BZKBA3 is a Texas Instruments ARM microprocessor based on the ARM926EJ-S core. It operates at clock frequencies of 375 MHz or 456 MHz, depending on the supply voltage. The device integrates 16KB instruction cache, 16KB data cache, 8KB vector table RAM, and 64KB ROM. Additional memory includes 128KB of on-chip RAM. Connectivity features include USB 2.0 OTG, USB 1.1 OHCI, 10/100 Mbps Ethernet MAC, three UARTs, two SPIs, and two I2C buses. Peripheral support encompasses McASP, eHRPWM, eCAP, eQEP, LCD controller, and PRUSS.

Feature Summary

• Integrates ARM926EJ-S RISC processor with MMU and trace capabilities
• Includes dual USB interfaces supporting OTG and host modes
• Features Programmable Real-Time Unit Subsystem for deterministic control
• Provides comprehensive multimedia and industrial peripheral set

Applications

• Industrial Automation
• Test and Measurement
• Home Automation
• Portable Data Terminals

Procurement Notes

Verify the specific silicon revision and operating frequency variant (375 MHz vs 456 MHz) required for your design. Confirm that the ZKB package dimensions match your PCB footprint constraints. Ensure power supply rails meet the nominal voltage requirements for the selected clock speed to maintain signal integrity and thermal performance.

Selection Notes

Select this component when a robust ARM9-based solution with integrated connectivity and real-time processing is needed. Consider the available pin count and peripheral multiplexing options. Evaluate the memory map compatibility with your existing software architecture. Verify that the commercial, industrial, or automotive temperature range meets your environmental specifications.

Part Context

This part belongs to the AM170x family of ARM microprocessors designed for mixed-processor solutions. It targets applications requiring rich user interfaces and robust OS support. The device combines high processing performance with low power consumption, making it suitable for OEMs and ODMs seeking flexible integration of various communication and control interfaces.

Replacement Considerations

Check for updated revisions within the AM170x family. Verify pin-to-pin compatibility if substituting with other variants in the series. Review any changes in peripheral availability or memory organization between different silicon revisions.