Microchip Technology AC300030

Overview

AC300030 from Microchip Technology is an evaluation accessory kit designed to support rapid prototyping and validation of the dsPIC30F Noise Suppression Library on compatible dsPIC30F microcontrollers. It includes a microphone, speaker, headset, audio cable, DB9 RS-232 cable, DB9M-DB9M null modem adapter, and oscillators - enabling real-time noise suppression testing at 8 kHz sampling rate with 0–4 kHz audio bandwidth.

For engineers reviewing the AC300030 datasheet, AC300030 application, AC300030 pinout, or AC300030 equivalent, this kit delivers verified hardware for evaluating speech enhancement algorithms in hands-free communication systems, teleconferencing, and voice-controlled embedded devices without requiring custom signal conditioning or reference noise sources.

Technical Context

The AC300030 kit interfaces directly with dsPIC30F-based development boards (e.g., dsPICDEM™ 1.1, DM300014) via standard analog audio I/O and RS-232 serial debug ports. It provides calibrated analog signal paths for microphone input and speaker output, synchronized with dsPIC30F ADC/DAC peripherals operating at 8 kHz.

All components are selected to meet the timing, impedance, and voltage-level requirements of dsPIC30F audio processing workflows: microphone biasing matches dsPIC30F internal VREF, speaker drive capability aligns with PWM or DAC output stages, and RS-232 levels comply with MAX232-compatible logic thresholds.

Key Specifications

Availability

AC300030 is available at Aetrix Electronics and suitable for hands-free communication systems, teleconferencing hardware development, and voice-enabled embedded product qualification requiring stable component supply and validated signal chain integrity.

Supply support for AC300030 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Microchip Technology Inc. is a U.S.-based semiconductor company specializing in microcontrollers, analog devices, and development tools for embedded control applications.

AC300030 belongs to Microchip's dsPIC® Development Tools ecosystem and was designed specifically to accelerate evaluation of dsPIC30F digital signal processing libraries-including noise suppression, echo cancellation, and speech recognition-on production-representative hardware.

FAQ

What is the primary purpose of the AC300030 accessory kit?

The AC300030 accessory kit is a hardware evaluation package intended to validate the dsPIC30F Noise Suppression Library in real-world microphone-based applications. It provides all necessary analog I/O components - microphone, speaker, headset, oscillators, and RS-232 interface - pre-matched to dsPIC30F peripheral timing and voltage requirements, enabling immediate testing of the NoiseSuppression function on supported devices like dsPIC30F6014 or dsPIC30F4013 without custom board design.

Which dsPIC30F devices are confirmed compatible with AC300030?

AC300030 is explicitly validated for use with dsPIC30F6014, dsPIC30F6012, dsPIC30F5013, dsPIC30F5011, and dsPIC30F4013 microcontrollers. These devices are listed in the official dsPIC30F Noise Suppression Library documentation as supported targets, and their ADC/DAC, PWM, and UART peripherals align with the signal chain requirements of the AC300030 kit's microphone biasing, speaker drive, and RS-232 communication functions.

Does AC300030 include software or only hardware components?

AC300030 contains only physical hardware components: audio cable, headset, oscillators, microphone, speaker, DB9 M/F RS-232 cable, and DB9M-DB9M null modem adapter. It does not include software licenses or firmware. The dsPIC30F Noise Suppression Library itself is licensed separately under part numbers SW300040-5K, SW300040-25K, and SW300040-100K. AC300030 is intended solely as the hardware counterpart for executing that licensed software on target dsPIC30F hardware.

Can AC300030 be used with non-dsPIC30F platforms?

No - AC300030 is engineered for functional and electrical compatibility with dsPIC30F microcontrollers only. Its microphone bias network, speaker load matching, oscillator frequencies, and RS-232 level-shifting are all specified to match dsPIC30F peripheral characteristics such as ADC input range (0–VDD), PWM output drive strength, and UART logic thresholds. Using AC300030 with other platforms would require verification of signal-level alignment, timing synchronization, and power domain compatibility - none of which are guaranteed or documented for non-dsPIC30F devices.

Is AC300030 still actively supported by Microchip?

AC300030 was released in Q2/2004 alongside the dsPIC30F Noise Suppression Library and remains available through authorized distributors and Aetrix Electronics for legacy design support and maintenance of existing dsPIC30F-based products. While newer dsPIC33 and PIC32 platforms have superseded dsPIC30F in new designs, Microchip continues to honor AC300030's original specifications and compatibility claims for ongoing production and repair of qualified systems using the dsPIC30F family.