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Surround shield

The Surround shield is a multi purpose audio shield for the Teensy 3.6.
There are multiple connections/interfaces on board, as well as extra RAM for large buffers.
Create your own multi channel active crossover, or suround sound decoder.
All in a small pcb of less than 100x50mm!

Current state: planned.
Teensy 3.6 socket (up to 240mhz, 256k ram, 1024k flash, microsd slot)
8 channel line output 16bit, 44,1khz (all buffered)
4 channel line input 16bit
2 channel line output 12bit, 44,1khz (headphone)
4mbit parallel RAM (SOIC16 package)
USB or DC in (do NOT connect both at the same time!)
24pin extention connector: 12 digital, 8 analog, 4 power
(extention connector has 3.3v logic and supply.

DC power jack input (recommended): 8-13VDC, 350mA (center +)
USB power input: 5VDC 500mA