ISD91230RI

Application Specific Microcontrollers Overview

The ISD91230RI is an application-specific microcontroller from the ISD91200 series, manufactured by Nuvoton Technology Corporation. It integrates an ARM Cortex-M0 core processor with 64kB of FLASH program memory. The device supports a supply voltage range of 1.8V to 5.5V and operates within a temperature range of -40°C to 85°C (TA). It features 32 I/O pins and includes communication interfaces such as I2C, I2S, IrDA, LIN, SPI, and UART/USART. Designed for audio record and playback applications, it utilizes a 64-LQFP surface mount package.

Application Specific Microcontrollers Feature Summary

• Integrates ARM Cortex-M0 core for efficient processing in audio applications
• Includes 64kB FLASH memory for program storage
• Supports multiple communication protocols including I2S, SPI, and UART

Application Specific Microcontrollers Applications

• Audio recording devices
• Voice playback systems
• Interactive voice response units

Application Specific Microcontrollers Procurement Notes

Verify the specific ordering suffix and package type against official Nuvoton documentation to ensure compatibility with design requirements. Confirm that the component status remains active before procurement. Ensure that environmental compliance standards, such as REACH status, meet project specifications. Cross-reference the datasheet for exact pinout and electrical characteristics to avoid integration errors during hardware development.

Application Specific Microcontrollers Selection Notes

Select this component when an embedded solution requires integrated audio handling capabilities alongside standard microcontroller functions. The inclusion of I2S interface makes it suitable for direct connection to audio codecs or amplifiers. Consider the operating temperature range and supply voltage flexibility for diverse environmental conditions. Evaluate the 64kB memory size against application code requirements to ensure sufficient storage for firmware and audio buffers.

Application Specific Microcontrollers Part Context

The ISD91230RI belongs to the ISD91200 series of audio system-on-chip devices from Nuvoton. These components are designed to simplify audio product development by combining processing power with memory and peripheral interfaces. The series targets cost-sensitive applications requiring reliable voice recording and playback functionality without external digital signal processors.

Application Specific Microcontrollers Replacement Considerations

Consult Nuvoton's official cross-reference guides for compatible alternatives within the ISD91200 family. Verify pin-to-pin compatibility and software library support before substituting any other microcontroller models.