9.1 Timing Specifications

The following figures illustrate the timing diagram of the IS2083BM/BM83 in I2S and PCM modes.

Figure 9-1. Timing Diagram for I2S Modes (Host/Client)
Figure 9-2. Timing Diagram for PCM Modes (Host/Client)

The following figure illustrates the timing diagram of the audio interface.

Figure 9-3. Audio Interface Timing Diagram

The following table provides the timing specifications of the audio interface.

Table 9-13. Audio Interface Timing Specifications(1)
ParameterSymbolMin.Typ.Max.Unit
SCLK1 duty ratiodSCLK50%
SCLK1 cycle timetSCLKCY50ns
SCLK1 pulse width hightSCLKCH20ns
SCLK1 pulse width lowtSCLKCL20ns
RFS1 setup time to SCLK1 rising edgetRFSSU10ns
RFS1 hold time from SCLK1 rising edgetRFSH10ns
DR1 hold time from SCLK1 rising edgetDH10ns
  1. Test Conditions: Client mode, fs = 48 kHz, 24-bit data and SCLK1 period = 256 fs