AC164129

The AC164129 is a Audio PICtail Plus Daughter Board is an audio extension board used with the Explorer 16 Development Board to facilitate rapid implementation, development and testing of full duplex speech and audio applications. The card features low cost speech and audio playback circuitry, microphone and line pre amp with adjustable gain control, headphone amplifier, 16/24bit codec for high fidelity applications and 4Mega bit serial flash memory. The card also features circuitry required for the dsPIC DSC devices with Audio DAC. This product is also part of the Human Interface Program. The Audio PICtail Plus Daughter Board fits into the expansion slot on the Explorer 16 Development Board and interfaces between an external audio device and the dsPIC33F or PIC24H device on the Explorer 16 Development Board. The output signals from the Audio PICtail Plus Daughter Board are appropriately amplified for the selected output line or speaker.

• Audio Playback using PWM signal from dsPIC/PIC24H output compare module
• 4th order low pass filter for audio PWM signal demodulation
• 110mW headphone amplifier
• Microphone and line input with adjustable gain
• Line output with adjustable gain

警告

为避免损坏Audio PICtail Plus子板, 连接到Audio PICtail Plus子板时, 28引脚入门开发板必须以+3.3V工作.

注释

仅限90天保修, 保修期到期后, 必须经过Microchip处理