BM94803AEKU-Z

Audio Special Purpose Overview

The BM94803AEKU-Z is a specialized audio processor from ROHM Semiconductor, integrating an ARM946ES core with 128-pin HTQFP packaging. It operates on 3.3V supply voltage and supports interfaces including I2C, SPI, and UART. The device features 4 kB L1 instruction cache and 4 kB L1 data cache. Operating within -40°C to +85°C, it runs at a maximum clock frequency of 108 MHz. This single-chip SOC is designed for consumer audio applications requiring high-performance signal processing.

Audio Special Purpose Feature Summary

• Integrates ARM946ES core with dual 4 kB L1 caches (Instruction and Data)
• Supports multiple communication interfaces: I2C, SPI, UART
• Operates at 108 MHz max clock frequency with 3.3V supply
• Available in 128-HTQFP (14x14) package

Audio Special Purpose Applications

• Consumer Audio Systems
• Audio Signal Processing
• Single-Chip Audio Solutions

Audio Special Purpose Procurement Notes

This component is classified as NRND (Not Recommended for New Designs). Verification should confirm current availability status through official ROHM channels or authorized distributors before procurement planning. Ensure the 128-HTQFP package matches PCB layout requirements.