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Texas Instruments TLC5620 8-bit quad DAC (http://www.ti.com/product/tlc5620)

These captures were grabbed from a running Velleman PCSU1000 USB oscilloscope.
This device reconfigures its hardware, including the TLC5620 that controls
level triggering, after every frame transfer. This accounts for the regular
traffic in these captures.

ti_tlc5620_full_range.sr		Skipping through full range, low to high.
ti_tlc5620_low_mid_high.sr		Setting low, (roughly) middle, and high.
ti_tlc5620_running.sr			Running, no configuration changes.
ti_tlc5620_one_change.sr		Running, one configuration change.