PixArt Imaging Inc.
ADBS-A350 Optical Finger Navigation
SCL and SDA Timing
SDA sampled after the
rising edge of SCL
SDA driven after the
falling edge of SCL
SCL driven
by host
SDA driven
by host
or ADBS
Clock Low
Clock High
SCL driven
by host
SDA driven
by host
or ADBS
Data Hold time
Data Propagation time
Figure 26. TWI SCL and SDA Timing
ADBS-A350 driven SDA
SCL driven
by host
SDA driven
by host
Data Set-up time
(minimum 0 ns)
Figure 27. Sensor driven SDA
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PixArt Imaging Inc.
E-mail: fae_service@pixart.com.tw
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PIXART [ PIXART IMAGING INC. ]
