LP3950 Datasheet, PDF (9/31 Pages) National Semiconductor (TI) – Color LED Driver with Audio Synchronizer

SPI Interface (Continued)
and it has to be taken high between successive cycles. Data
is clocked in on the rising edge of the SCK clock signal, while
data is clocked out on the falling edge of SCK.
FIGURE 2. SPI Write Cycle
20129307
FIGURE 3. SPI Read Cycle
20129308
FIGURE 4. SPI Timing Diagram
20129309
9
www.national.com