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Аудио подсистема: все-в-одном

Описание:
The PIC32 Audio Codec Daughter Board AC320100 is a high-performance stereo codec board for selected PIC32 hardware development platforms. This board features the AKM AK4642EN stereo codec, which includes built-in microphone and headphone amplifiers. This board is suitable for adding audio input and output capabilities to the PIC32 Bluetooth Starter Kit (DM320018), and is compatible with the PIC32 Bluetooth Audio Development Kit (DV320032).

- Based on the AKM 4642 16-bit audio codec
- The board replaces the Audio DAC (AK4384) daughter board on the PIC32 Bluetooth Audio Development Kit (DV320032)
- This enables microphone capability and full duplex audio I2S from the PIC32
o Audio voice capture
o Bluetooth Hands free profile
o Integrated MEMS microphone on board, or external microphone input
- Can enable the PIC32 Bluetooth Starter Kit (DM320018) with audio in specific applications
- Has a new application featured in MPLAB Harmony v1.03 and later, with more to come
Возможности:

    The PIC32 Audio Codec Daughter Board AC320100 features include:
    • AK4642EN Stereo Input / Output Codec
    • MCP1801 Power Regulator
    • On-board MEMs Microphone
    • 3.5 mm Inputs and Outputs:
    - Line In
    - External Mic In
    - Line Out
    - Headphone Out

Документация:
  • Даташит
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Описание:
The Multimedia Expansion Board (MEB) providesPIC32 Starter Kit,dsPIC33E USB Starter KitorPIC24E USB Starter Kitusers with an integrated-yet flexible-solution for the development of high-impact user interfaces. The board comes with a 3.2 color TFT touch-screen QVGA display, an onboard FCC-certified W-iFi® module, a 24-bit stereo audio code, a three-axis accelerometer, a joystick and a microSD®®™ memory card slot. Simply connect any DM320001, DM320003-2, DM320004, DM330012 and DM240012 Starter Kit to the MEB and you're ready to develop, program and debug code for the user interface features. Demo software for the MEB can be downloaded using the links below and is also contained within theMicrochip Application Library, including software for the joystick, accelerometer, CPLD and more.

Connect
  • Attach any PIC32, dsPIC33E or PIC24E Starter Kit (required)
  • Power via USB through the starter kit, or external 9V supply
View
  • Fast High Color Images
  • Localized Fonts
  • Visual Prompts and buttons
Listen
  • 24-bit Stereo Audio
  • Speex Voice Playback
  • MP3 Music
Interact
  • Touch Screen Buttons
  • 8 position Joystick with Fire button
  • 3 Axis Orientation / Acceleration
Network
  • FCC Certified Wi-Fi™
  • 10/100 Ethernet via PIC32 Ethernet Starter Kit
Возможности:

    • 3.2 inch (8.1 cm) QVGA touch screen display with backlight
    • Five user-controlled LEDs
    • Four-way joystick (S2)
    • Fire button (S1)
    • Headphone jack
    • Line output jack
    • Microphone input jack
    • Power LED
    • PICtail™ compatible expansion connector
    • Solomon Systech Graphics Controller (SSD1926)
    • microSD card slot.
    • Regulated 3.3V and 1.8V power supply for powering the board via a starter kit or 9-14V power supply
    • Accelerometer and temperature sensor (BMA150)
    • 24LC08 EEPROM.
    • SPI Flash (SST25VF016)
    • 24-bit audio codec (WM8731)
    • CPLD for SPI and Chip Select configuration
    • Starter kit connector
    • Integrated 802.11 wireless connectivity

Документация:
  • Даташит
  • Програмное обеспечение
  • Тестирование
Описание:
Multimedia Expansion Board II (MEB-II) is a highly integrated, compact and flexible development platform which works with PIC32MZ Starter Kit. The MEB-II kit features a 4.3” WQVGA PCAP touch display daughter board. The kit also has an onboard 24-bit stereo audio codec, VGA camera, 802.11 b/g wireless module, Bluetooth HCI transceiver, temperature sensor, microSD slot and analog accelerometer.

FOR DEMONSTRATION SOFTWARE, PLEASE VISIT MPLAB HARMONY SOFTWARE FRAMEWORK

To get started quickly, refer the Multimedia Expansion Board (MEB II) Info Sheet in the documentation section below:

Возможности:

Документация:
  • Даташит
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Описание:
The audio development board for PIC32 (DM320011) provides developers a flexible platform for 24-bit audio record and playback, USB Digital Audio, MP3 Decode and Sample Rate Conversion.

The audio board can be easily connected through the MFi dock edge connector to the accessory development platform for iPod and iPhone enabling users to develop applications for iPod and iPhone.
Возможности:

    • On-board PIC32MX795F512 with 80 MIPS of performance, 512KB Flash and 128KB of RAM
    • 24-bit Wolfson CODEC
    • USB Type A interface
    • On-board Microphone
    • Headphone out and Line in
    • High quality 2” Color LCD
    • Pre-loaded demo code
    • MFi Dock Edge Connector

Документация:
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  • Тестирование
Описание:
The PIC32 MX1/ MX2 Starter kit (DM320013) is a complete solution for exploring the low-cost, high-performance PIC32MX1/MX2 devices. This kit is perfect for development of basic user interfaces with mTouchTM buttons and high quality audio. The board is pre-loaded with demo code for an audio player. Simply download a free copy of MPLAB IDE and the demo code source from the web to jump start your development effort.
Возможности:

    • 24Bit Audio playback
    • Integrated Programmer Debugger
    • USB Powered
    • 2” Color TFT Dispaly – 220 x 176 pixel
    • mTouchTM slider and buttons
    • PIC32MX250F128 with 128KB of Flash, 32KB RAM
    • Micro SD Flash Card

Документация:
  • Даташит
  • Програмное обеспечение
  • Тестирование
Описание:
The PIC32 USB Digital Audio Accessory Board showcases a 16/24-bit quality digital stereo audio development platform using the PIC32 microcontroller (MCU). It can be used for 16/24-bit stereo audio playback and recording with a sample rate of up to 48 kHz. This accessory board is powered by the USB Host and can be used with any personal computer (PC), tablet, gaming station, or mobile device that supports the USB Audio Device Class. The digital audio stream is transferred over USB isochronous transfers. The PIC32 USB Digital Audio Accessory Board features the PIC32 MCU, which has a USB module with Host and Device capability, SPI module with Audio Mode that supports I2S, LJ, RJ, DSP/PCM modes, and a flexible audio reference clock output generation module that can be used as time base for the external codec or Digital-to-Analog Converter (DAC).
Возможности:

    • PIC32MX250F128B MCU: 128 KB of program memory and 32 KB of RAM
    • PIC32 I2S support (LJ, RJ, DSP/PCM modes supported) – all modes can be 16/24-bit
    • PIC32 reference clock output for codec master clock
    • Audio codec (AK4645A) with up to 48 kHz sampling rate and 16/24-bit resolution
    • Supported codec-based audio processing features:
      • 5-band equalizer
      • Analog output mixing
      • Stereo separation emphasis and wind-noise filtering
      • Auto-level control

Документация:
  • Програмное обеспечение
  • Тестирование
Описание:
The audio development board for dsPIC33E (DM330016) provides developers a flexible platform for 24-bit audio record and playback, USB digital audio and sample rate conversion.
Возможности:

    - On-board dsPIC33EP512MU810 with 60 MIPS of performance, 512 KB Flash, 24 KB Auxiliary Flash and 52KB of RAM
    - 24-bit Wolfson codec
    - USB Type A interface
    - On-board microphone
    - Headphone out and Line in
    - High quality 2” Color LCD
    - Pre-loaded demo code
    - iPod®, iPhone® dock edge connector

Документация:
  • Даташит
  • Програмное обеспечение
  • Тестирование
Описание:
chipKIT™ Pi (Designed for Raspberry Pi) is the latest Arduino® compatible chipKIT platform from Microchip and element14. It features a 32-bit PIC32 microcontroller in a prototyping-friendly, low pin count SPDIP package. The PIC32’s performance, memory and integrated peripherals allow users to create applications including touch sensing, audio processing and advanced control. The board is supported by the free chipKIT Multi-Platform IDE (MPIDE) that can be hosted on the Raspberry Pi.

For additional information, visit element14.com/chipkit_pi

element14 is a trusted Third Party Tool provider.

Getting Started with chipKIT Pi
Возможности:

    • Designed exclusively for the Raspberry Pi and Arduino ecosystems
    • Includes a PIC32MX250F128B MCU [in socket] with 128K Flash, 32K RAM
    • USB, ICSP and JTAG connectors for maximum compatibility
    • Create, compile and program Arduino sketch-based chipKIT applications within the Raspberry Pi operating system
    • Develop 3.3V Arduino compatible applications for the Raspberry Pi

Документация:
  • Схемотехника
Описание:
A low THD+N amplifier signal chain for driving headphones is presented. The design walks through various factors to consider in order to optimize performance based on customer needs.

Возможности:

Ultra-low distortion, THD+N < 0.0003% Low power consumption, 18.25mW/channel Ability to drive 50mW of output power into 32W headphone load without sacrificing performance Compact design ideal for portable application Low-power mode to save power in portable applications The circuit performance is thoroughly whetted and includes the entire amplifier singal-chain and a design guide that walks the user throguh various options to consider when designing a headphone amplifier

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Документация:
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Описание:

Проверенная TI разработка реализует аналоговый активный кроссовер для двухканальных акустических систем, которая может использоваться в студиях звукозаписи или домашних системах высокого качества. Путь НЧ-сигнала включает в себя низкочастотный контур компенсации дефлектора и низкочастотный Linkwitz-Riley фильтр 4-го порядка. ВЧ-сигнал проходит Linkwitz-Riley фильтр 4-го порядка, всечастотный фильтр временной задержки 3-го порядка и выход затухания и буферизации.

Возможности:

  • Реализует Linkwitz-Riley фильтр 4-го порядка для двухканальных акустических систем;
  • Профессиональные уровни аудиосигнала (+4dBu/1.228Vrms);
  • Низкочастотный контур компенсации дефлектора 3 порядка для всех частот для временной задержки;
  • Использует OPA1602/1604 операционный усилитель с малым уровнем шума.

Возможность заказа
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Документация:
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  • Схемотехника
  • BOM
  • Топология платы