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CS47L85 датащи(PDF) 40 Page - Cirrus Logic |
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CS47L85 датащи(HTML) 40 Page - Cirrus Logic |
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40 / 370 page ![]() CS47L85 40 Rev 4.3 4-WIRE (SPI) CONTROL MODE SS (input) SCLK (input) MOSI (input) tSSU tSCH tSCL tSCY tDHO tDSU tSHO Figure 9 Control Interface Timing - 4-wire (SPI) Control Mode (Write Cycle) SCLK (input) MISO (output) tDL SS (input) Figure 10 Control Interface Timing - 4-wire (SPI) Control Mode (Read Cycle) Test Conditions The following timing information is valid across the full range of recommended operating conditions, unless otherwise noted. PARAMETER SYMBOL MIN TYP MAX UNIT SS ¯¯ falling edge to SCLK rising edge tSSU 2.6 ns SCLK falling edge to SS ¯¯ rising edge tSHO 0 ns SCLK pulse cycle time SYSCLK disabled (SYSCLK_ENA=0) tSCY 50.0 ns SYSCLK_ENA=1 and SYSCLK_FREQ = 000 76.8 SYSCLK_ENA=1 and SYSCLK_FREQ > 000 38.4 SCLK pulse width low tSCL 15.3 ns SCLK pulse width high tSCH 15.3 ns MOSI to SCLK set-up time tDSU 1.5 ns MOSI to SCLK hold time tDHO 1.7 ns SCLK falling edge to MISO transition SCLK slew (90% to 10%) = 5ns, CLOAD (MISO) = 25pF tDL 0 12.6 ns |
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