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CS49310 数据表(PDF) 16 Page - Cirrus Logic |
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CS49310 数据表(HTML) 16 Page - Cirrus Logic |
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16 / 86 page ![]() CS49300 Family DSP 16 DS339PP4 1.11. Switching Characteristics — Digital Audio Input (TA = 25 °C; VA, VD[3:1] = 2.5 V ±5%; Inputs: Logic 0 = DGND, Logic 1 = VD, CL = 20 pF) Notes: 1. Master mode timing specifications are characterized, not production tested. 2. Master mode is defined as the CS493XX driving LRCLKN1(2) and SCLKN1(2). Master or Slave mode can be programmed. 3. This timing parameter is defined from the non-active edge of SCLKN1(2). The active edge of SCLKN1(2) is the point at which the data is valid. 4. This timing parameter is defined from the active edge of SCLKN1(2). The active edge of SCLKN1(2) is the point at which the data is valid. 5. Slave mode is defined as SCLKN1(2) and LRCLKN1(2) being driven by an external source. Parameter Symbol Min Max Unit SCLKN1(2) period for both Master and Slave mode (Note 1) Tsclki 40 - ns SCLKN1(2) duty cycle for Master and Slave mode (Note 1) 45 55 % Master Mode (Note 1, 2) LRCLKN1(2) delay after SCLKN1(2) transition (Note 3) Tlrds -10 ns SDATAN1(2) setup to SCLKN1(2) transition (Note 4) Tsdsum 10 - ns SDATAN1(2) hold time after SCLKN1(2) transition (Note 4) Tsdhm 5- ns Slave Mode (Note 5) Time from active edge of SCLKN1(2) to LRCLKN1(2) transition Tstlr 10 - ns Time from LRCLKN1(2) transition to SCLKN1(2) active edge Tlrts 10 - ns SDATAN1(2) setup to SCLKN1(2) transition (Note 4) Tsdsus 5- ns SDATAN1(2) hold time after SCLKN1(2) transition (Note 4) Tsdhs 5- ns |
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