AM3894CCYGA120

Overview

The AM3894CCYGA120 is a microprocessor from the Texas Instruments Sitara ARM MPU series. It features an ARM Cortex-A8 core with a maximum clock frequency of 1.1 GHz and a 32-bit data bus width. The device utilizes a PBGA-1031 package and supports surface mount installation. Internal memory includes 32 kB L1 instruction cache, 32 kB L1 data cache, 64 kB data RAM, 48 kB data ROM, and 256 kB L2 cache. Operating voltage ranges from 850 mV to 1.1 V, with I/O voltages of 1.5 V, 1.8 V, and 3.3 V. It operates within a temperature range of -40°C to +105°C and provides 64 I/O pins.

Feature Summary

• Integrates an ARM Cortex-A8 processor core with floating-point capabilities for efficient computation.
• Includes integrated multimedia accelerators and NEON SIMD technology for enhanced processing performance.
• Supports multiple high-speed interfaces including Ethernet, PCIe, USB, and SATA for versatile connectivity.
• Features robust internal caching architecture with L1 and L2 caches to optimize data access speeds.

Applications

• Industrial automation controllers
• Medical imaging systems
• Smart energy metering devices

Procurement Notes

Verify the specific suffix GA120 against official datasheets to confirm pinout and thermal specifications. Ensure compatibility with required operating temperatures ranging from -40°C to +105°C. Confirm moisture sensitivity level handling procedures during assembly. Validate power supply requirements between 850 mV and 1.1 V for the core voltage domain.

Selection Notes

Select this component when an ARM Cortex-A8 core with 1.1 GHz performance is required for industrial or medical applications. Consider the 1031-pin BGA package constraints and thermal management needs. Verify interface requirements for Ethernet, PCIe, and USB support. Ensure the system design accommodates the specified I/O voltage levels of 1.5 V, 1.8 V, and 3.3 V.

Part Context

This part belongs to the Texas Instruments Sitara AM38xx family, designed for demanding embedded applications. It shares architectural similarities with other AM38xx variants but offers specific performance and interface configurations tailored for industrial and medical markets. The device integrates necessary peripherals for complex control tasks while maintaining low power consumption characteristics typical of the Cortex-A8 architecture.

Replacement Considerations

AM3892CCYG135 is a related variant within the same family offering different clock speeds and temperature ranges.