User Guide

Figure 83 Keyboard PWB
Keyboard interface electrical characteristics
Description Parameter Min Typ Max Unit Notes
High-level
input voltage
(VIO = 1.8V)
VIH 0.65x VIO VIO 0.3+
VIODDS
V Row
Low-level input
voltage
VIL -0.3 0 0.35x VIO V Row
High-level
output voltage
VOH VIO- 0.45 VIO VIO + 0.3 V Column
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