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PCM1738E/2K Datasheet(PDF) 19 Page - Texas Instruments |
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PCM1738E/2K Datasheet(HTML) 19 Page - Texas Instruments |
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19 / 47 page ![]() www.ti.com t w(BCH) t w(BCL) t (LB) t (BCY) LRCK BCK DATA t (DS) 1.4V 1.4V 1.4V T0010-10 t (DH) t (BL) HighImpedance WhenReadModeisInstructed A0 D7 D6 D4 D5 D3 D2 D1 D0 D7 D6 D4 D5 D3 D2 D1 D0 W/R A1 A2 A3 A4 A5 A6 CS MC MDI MDO T0048-05 PCM1738 SBAS174C – FEBRUARY 2002 – REVISED FEBRUARY 2007 PARAMETER MIN MAX UNIT t(BCY) BCK clock cycle time 70 ns tw(BCL) BCK low-level time 30 ns tw(BCH) BCK high-level time 30 ns t(BL) BCK rising edge to LRCK edge 10 ns LRCK falling edge to BCK rising t(LB) 10 ns edge t(DS) DATA setup time 10 ns t(DH) DATA hold time 10 ns – LRCK clock duty cycle 50% – 2 bit clocks 50% + 2 bit clocks Figure 36. Audio Interface Timing NOTE: B15 is used for the selection of write or read. Setting W/R = 0 indicates a write, while W/R = 1 indicates a read. B14–B8 are used for the register address. B7–B0 are used for frgister data. Figure 37. Serial Control Format 19 Submit Documentation Feedback |
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