Technical articles
Find a practical answer for your next design review: board construction, materials, manufacturing files, assembly and verification. Search by the problem you are solving, then use the related field guides to prepare a project brief.
Budgeting Source and Sink Current for DDR VTT
Review termination current direction and keep the VTT power rail distinct from the memory reference voltage.
Read articleOctober 4, 2026Assigning the RMII Reference Clock Source and Direction
Resolve PHY, MAC, and oscillator clock roles before debugging an RMII link that has power but no traffic.
Read articleOctober 4, 2026Checking MDIO Read Turnaround and Line Ownership
Inspect the handoff from controller to PHY when management reads return all ones or inconsistent register values.
Read articleOctober 4, 2026Mapping Audio TDM Slots Across Multiple Converters
Define frame timing, slot width, offsets, and output ownership before connecting several audio transmitters to one data line.
Read articleOctober 4, 2026Matching QSPI Flash Dummy Cycles to the Controller
Check command, mode, and latency clocks when a flash read returns shifted data at higher clock rates.
Read articleOctober 4, 2026Sequencing SPI Flash Recovery From Deep Power Down
Respect the release command, chip select interval, and recovery timing before the first post-sleep flash access.
Read articleOctober 4, 2026Matching PDM Microphone Clock and PCM Decimation Rate
Calculate the complete clock and filter chain before interpreting pitch or bandwidth errors in a digital microphone capture.
Read articleOctober 4, 2026Setting the Operating Point for a Buck Converter Loop Gain Measurement
Check injection location, perturbation amplitude, and converter mode before interpreting a Bode plot.
Read articleOctober 4, 2026Finding a One Bit Alignment Error on an I2S Audio Link
Compare word select, the first data bit, and receiver format before blaming an audio gain or channel problem on analog circuitry.
Read articleOctober 4, 2026Checking Current Sharing in a Multiphase Buck Converter
Measure phase currents and review sensing error before interpreting unequal component temperatures.
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