Datasheet

18
Software and Hardware Solutions for the 32-bit Designer
PIC32 Audio Solutions
Audio Development Board for PIC32 (DM320011)
Audio Development Board for
PIC32 MCUs features an 80 MIPS
PIC32 MCU, a 24-bit Wolfson
audio codec, a two-inch color LCD
display, a USB interface and an
on-board microphone. Supported
by Microchip’s free software libraries, the kit provides a
perfect solution for the development of speech and audio
recording and playback products. Target applications
include docks for portable audio players, home
entertainment systems and automotive sound systems.
Key Features:
■ On-board PIC32MX795F512 with 80 MHz of
performance, 512 KB Flash and 128 KB 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
PIC32 USB Digital Audio Mixer Board (DM320014)
The PIC32 USB Digital Audio
Accessory Board showcases a
16/24-bit quality digital stereo
audio development platform using
the PIC32 microcontroller. 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.
Key Features:
■ PIC32MX250F128B MCU: 50 MHz, 128 KB of program
memory and 32 KB of RAM
■ PIC32 I
2
S 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 fi ltering
• Auto-level control
Bluetooth Audio Development Kit (DV320032)
The PIC32 Bluetooth Audio Development
Kit provides a complete turnkey solution
to develop streaming digital audio
solutions. The board is coupled with two
daughter cards: the Bluetooth HCI Radio
Daughter Card that demonstrates a low-
cost Bluetooth implementation and the Audio DAC Daughter
Card that demonstrates a high quality 24-bit, 192 kHz
audio conversion/amplification for line or headphones. The
kit ships with demo code that enables wireless streaming
of digital audio from any Bluetooth-enabled smartphone or
portable music player or over USB.
Key Features:
■ PIC32MX450/470 @ 100 MHz
■ Bluetooth A2DP Daughter Board
• Streaming with low-cost HCI module
■ 24-bit 192 kHz DAC DB
■ USB Memory Stick® playback
■ 2 inch color LCD display
■ Headphone/line out
■ Audio control function