CS4228A

DS511PP1

3

5.7 DAC De-emphasis Control .............................................................................................. 24

5.8 Digital Volume Control .....................................................................................................24

5.9 Serial Port Mode .............................................................................................................. 25

5.10 Chip Status .................................................................................................................... 25

6. PIN DESCRIPTION ................................................................................................................. 26

7. PARAMETER DEFINITIONS .................................................................................................. 29

8. PACKAGE DIMENSIONS ...................................................................................................... 31

LIST OF FIGURES

Figure 1. Serial Audio Port Master Mode Timing .......................................................................... 7

Figure 2. Serial Audio Port Slave Mode Timing ............................................................................ 7

Figure 3. SPI Control Port Timing ................................................................................................. 8

Figure 4. Two Wire Control Port Timing ........................................................................................ 9

Figure 5. Recommended Connection Diagram ........................................................................... 11

Figure 6. Optional Line Input Buffer ............................................................................................12

Figure 7. Passive Output Filter with Mute ................................................................................... 13

Figure 8. Butterworth Output Filter with Mute ............................................................................. 13

Figure 9. I2S Serial Audio Formats ............................................................................................. 15

Figure 10.Left Justified Serial Audio Formats .............................................................................. 16

Figure 11.Right Justified Serial Audio Formats ............................................................................ 16

Figure 12.One Line Data Serial Audio Format ............................................................................. 16

Figure 13.Control Port Timing, SPI Slave Mode Write ................................................................. 17

Figure 14.Control Port Timing, Two Wire Slave Mode Write ....................................................... 18

Figure 15.Control Port Timing, Two Wire Slave Mode Read ....................................................... 18

LIST OF TABLES

Table 1. Serial Audio Port Input Channel Allocations ................................................................... 15

Table 2. Common Master Clock Frequencies.............................................................................. 27