DS1305 Datasheet, PDF (20/22 Pages) Dallas Semiconductor – Serial Alarm Real Time Clock RTC

Figure 12. TIMING DIAGRAM: SPI READ DATA TRANSFER
DS1305
SERMODE = V_CC
* SCLK CAN BE EITHER POLARITY, TIMING SHOWN FOR CPOL = 1.
Figure 13. TIMING DIAGRAM: SPI WRITE DATA TRANSFER
SERMODE = V_CC
* SCLK CAN BE EITHER POLARITY, TIMING SHOWN FOR CPOL = 1.
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