ISD94124PDI

Application Specific Microcontrollers Overview

The ISD94124PDI is an ARM Cortex-M4F audio microcontroller manufactured by Nuvoton Technology Corporation. It operates at a maximum clock frequency of 200 MHz and features 512 kB of APROM flash memory alongside 192 kB of RAM. The device supports a supply voltage range of 1.8 V to 3.3 V, with analog power supplied between 1.08 V and 1.32 V. It includes 13 channels of 12-bit ADCs and offers connectivity via USB 1.1, I2C, I2S, SPI, UART, and GPIO. Packaged in LQFP-64 for SMD/SMT installation, it functions within a temperature range of -40°C to +85°C.

Application Specific Microcontrollers Feature Summary

• ARM Cortex-M4F core running up to 200 MHz
• 512 kB Flash and 192 kB RAM configuration
• Integrated USB 1.1 interface and I2S audio connectivity
• 13-channel 12-bit ADC with 1.8V to 3.3V operating voltage

Application Specific Microcontrollers Applications

• Audio MCU ChipCorder applications
• Voice recording systems
• Multimedia devices requiring embedded audio processing

Application Specific Microcontrollers Procurement Notes

Verify the specific suffix 'PDI' against the manufacturer's official datasheet to confirm package type and temperature grade. Confirm availability status as distribution listings may indicate regional sales restrictions or discontinuation. Ensure the component matches the required LQFP-64 form factor for PCB design compatibility.

Application Specific Microcontrollers Selection Notes

Select this model when a high-performance Cortex-M4F processor is needed for dedicated audio tasks. The 200 MHz speed and substantial memory support complex DSP algorithms. Verify that the USB 1.1 interface meets system requirements, as newer designs might require USB 2.0. Check if the 1.8V to 3.3V voltage range aligns with the target board's power rails.

Application Specific Microcontrollers Part Context

This part belongs to the ISD94xx series of Audio MCUs from Nuvoton. These chips are designed specifically for voice and audio recording applications, integrating necessary peripherals like I2S and USB directly on-chip to reduce external component count compared to general-purpose MCUs paired with separate audio codecs.

Application Specific Microcontrollers Replacement Considerations

Direct replacements depend on pin-to-pin compatibility and software architecture. Potential alternatives include other Nuvoton ISD94xx variants with different memory sizes or packages. Cross-vendor migration requires significant firmware adaptation due to the specific Cortex-M4F peripheral set.