Adafruit has announced the availability of its new Audio Adapter Board for Teensy 4.0 priced at $15.95, offering an easy way to add high quality 16 bit, 44.1 kHz sample rate (CD quality) audio to your projects with Teensy 4.0 (Rev D). The board measures just 38.0mm x 36.8mm x 6.7mm in size and weighs 5.1 g and has been designed to go with the Teensy 4.0 Dev Board, and it is not pin-compatible with the Teensy 3.X boards.
“It supports stereo headphone and stereo line-level output, and also stereo line-level input or mono microphone input. The Teensy Audio Library lets you use the input and output simultaneously together with a toolkit of audio processing objects, to easily create all types of sophisticated audio applications. You can play multiple sound files, create synthesised waveforms, apply effects, mix multiple streams and output high quality audio to the headphones or line out pins.”
Specifications of the Teensy 4.0 USB Development Board
- ARM Cortex-M7 at 600 MHz
- 1024K RAM (512K is tightly coupled)
- 2048K Flash (64K reserved for recovery & EEPROM emulation)
- 2 USB ports, both 480 MBit/sec
- 3 CAN Bus (1 with CAN FD)
- 2 I2S Digital Audio
- 1 S/PDIF Digital Audio
- 1 SDIO (4 bit) native SD
- 3 SPI, all with 16 word FIFO
- 3 I2C, all with 4 byte FIFO
- 7 Serial, all with 4 byte FIFO
- 32 general purpose DMA channels
- 31 PWM pins
- 40 digital pins, all interrrupt capable
- 14 analog pins, 2 ADCs on chip
- Cryptographic Acceleration
- Random Number Generator
- RTC for date/time
- Programmable FlexIO
- Pixel Processing Pipeline
- Peripheral cross triggering
- Power On/Off management
Source: Adafruit
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