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CS4362 数据表(PDF) 11 Page - Cirrus Logic |
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CS4362 数据表(HTML) 11 Page - Cirrus Logic |
11 / 42 page CS4362 DS257F1 11 SWITCHING CHARACTERISTICS - CONTROL PORT - SPI™ FORMAT (For KQZ TA = -10 to +70 °C; VLC = 1.8 V to 5.5 V; Inputs: Logic 0 = GND, Logic 1 = VLC, CL =30pF) Notes: 22. tspi only needed before first falling edge of CS after RST rising edge. tspi = 0 at all other times. 23. Data must be held for sufficient time to bridge the transition time of CCLK. 24. For FSCK < 1 MHz. Parameter Symbol Min Max Unit CCLK Clock Frequency fsclk -MHz RST Rising Edge to CS Falling tsrs 500 - ns CCLK Edge to CS Falling (Note 22) tspi 500 - ns CS High Time Between Transmissions tcsh 1.0 - µs CS Falling to CCLK Edge tcss 20 - ns CCLK Low Time tscl -ns CCLK High Time tsch -ns CDIN to CCLK Rising Setup Time tdsu 40 - ns CCLK Rising to DATA Hold Time (Note 23) tdh 15 - ns Rise Time of CCLK and CDIN (Note 24) tr2 -100 ns Fall Time of CCLK and CDIN (Note 24) tf2 -100 ns MCLK 2 ------------------ 1 MCLK ------------------ 1 MCLK ------------------ t r2 t f2 t dsu t dh t sch t scl CS CC L K CD IN t css t csh t spi t srs RS T Figure 4. Control Port Timing - SPI Format |
类似零件编号 - CS4362_04 |
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类似说明 - CS4362_04 |
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