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CDB4227 Datasheet(PDF) 8 Page - Cirrus Logic |
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CDB4227 Datasheet(HTML) 8 Page - Cirrus Logic |
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8 / 36 page  CS4227 8 DS281PP2 SWITCHING CHARACTERISTICS - CONTROL PORT (T A = 25 °C; VA+, VD+ = +5 V ±5%; Inputs: logic 0 = DGND, logic 1 = VD+; CL = 30 pF) Notes: 15. Data must be held for sufficient time to bridge the transition time of CCLK. 16. For FSCK < 1 MHz. Parameter Symbol Min Max Unit SPI Mode (SPI/I2C = 0) CCLK Clock Frequency fsck -6 MHz CS High Time Between Transmissions tcsh 1.0 - µs CS Falling to CCLK Edge tcss 20 - ns CCLK Low Time tscl 66 - ns CCLK High Time tsch 66 - ns CDIN to CCL Rising Setup Time tdsu 40 - ns CCLK Rising to DATA Hold Time (Note 15) tdh 15 - ns CCLK Falling to CDOUT stable tpd -45 ns Rise Time of CDOUT tr1 -25 ns Fall Time of CDOUT tf1 -25 ns Rise Time of CCLK and CDIN (Note 16) tr2 - 100 ns Fall Time of CCLK and CDIN (Note 16) tf2 - 100 ns t r2 t f2 t dsu t dh t sch t scl CS CCLK CDIN t css t pd CDOUT t csh Figure 3. Control Port SPI Mode |
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Similar Description - CDB4227 |
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