ISD9160FI

Application Specific Microcontrollers Overview

The ISD9160FI is a voice/audio system-on-chip (SoC) from Nuvoton Technology Corporation, designed for industrial and consumer applications. It integrates a 32-bit ARM Cortex-M0 processor running up to 50MHz with embedded flash memory for user code and audio storage. The device supports a wide operating voltage range of 2.4V to 5.5V and features a Sigma-Delta ADC with a programmable gain amplifier for microphone input. It includes a digital audio interface and an analog-enabled GPIO port for sensor connectivity.

Application Specific Microcontrollers Feature Summary

• ARM Cortex-M0 core operating at frequencies up to 50MHz
• Deep Power Down mode consuming less than 1µA
• Sigma-Delta ADC with PGA and gain boost stage for microphone interface
• Audio PWM speaker driver capable of 1W output at 5.5V

Application Specific Microcontrollers Applications

• Voice-controlled remote controls
• Smart home lighting switches
• Industrial automation interfaces
• Consumer electronic voice prompts

Application Specific Microcontrollers Procurement Notes

Verify the specific suffix 'FI' against official Nuvoton documentation to confirm package type and temperature grade. Confirm availability status as distribution channels may list limited stock or regional restrictions. Ensure compatibility with required development tools such as the ISD-Nu-Link for programming and debugging during the procurement phase.

Application Specific Microcontrollers Selection Notes

Select the ISD9160FI when a cost-effective solution combining processing power and audio capabilities is required. The chip is suitable for projects needing offline local speech recognition and high compression algorithms that reduce memory size by over 50% compared to ADPCM. Consider external flash requirements if internal storage limits exceed application needs.

Application Specific Microcontrollers Part Context

The ISD9160 series represents Nuvoton's ChipCorder technology, offering a highly integrated single-chip solution. This family targets markets requiring robust voice and audio features without complex external components. The FI variant specifically denotes the packaged form factor available through authorized distributors like Mouser and the Nuvoton eStore.

Application Specific Microcontrollers Replacement Considerations

No direct public substitute part numbers are confirmed in the provided data. Evaluate other Nuvoton SoCs within the same product line for pin-compatible alternatives if supply constraints exist. Verify functional equivalence regarding the Cortex-M0 architecture and audio peripheral specifications before substitution.