CS4298

4

DS315PP2

8. PIN DESCRIPTIONS .............................................................................................................. 42

8.1 g2 ..................................................................................................................................... 43

8.2 Analog I/O Pins ................................................................................................................ 45

8.3 Filter and Reference Pins ................................................................................................ 46

8.4 Modem/Telephony ........................................................................................................... 47

8.5 Power Supplies ................................................................................................................ 48

9. PARAMETER AND TERM DEFINITIONS .............................................................................. 49

10. REFERENCES ...................................................................................................................... 50

11. PACKAGE DIMENSIONS ..................................................................................................... 51

LIST OF FIGURES

Figure 1. Power Up Timing............................................................................................................ 10

Figure 2. Clocks ............................................................................................................................ 10

Figure 3. Codec Ready from Startup or Fault Condition ............................................................... 10

Figure 4. Data Setup and Hold ...................................................................................................... 11

Figure 5. PR4 Powerdown ............................................................................................................ 11

Figure 6. Test Mode ...................................................................................................................... 11

Figure 7. AC-link Connections....................................................................................................... 13

Figure 8. Mixer Diagram ................................................................................................................ 15

Figure 9. AC-link Input and Output Framing.................................................................................. 16

Figure 10. Line Inputs.................................................................................................................... 37

Figure 11. Differential CDROM In ................................................................................................. 37

Figure 12. PC ‘99 Microphone Pre-amplifier ................................................................................. 38

Figure 13. Headphones Driver ...................................................................................................... 39

Figure 14. IEC-958 Interface Examples ........................................................................................ 40

Figure 15. Voltage Regulator ........................................................................................................ 40

Figure 16. Hybrid Circuit Secondary ............................................................................................41

LIST OF TABLES

Table 1. Mixer Registers ............................................................................................................... 21

Table 2. Alternate Line-Out and Master Mono Attenuation ........................................................... 24

Table 3. Analog Mixer Input Gain Values...................................................................................... 24

Table 4. Stereo Volume Register Index ........................................................................................ 25

Table 5. Input Mux Selection ......................................................................................................... 25

Table 6. 6 Channel Volume Attenuation........................................................................................ 30

Table 7. GPIO Input/Output Configuration .................................................................................... 33

Table 8. Misc. Modem Configuration............................................................................................. 34

Table 9. Slot Assignments............................................................................................................ 35

Table 10. Reg. 7Eh Defined Part ID’s ........................................................................................... 36