CS4223 CS4224
5.5.3 Serial Data Output Format (DOF).................................................................................. 17
5.5.4 Serial Data Input Format (DIF) ...................................................................................... 17
5.6 Converter Status Report (Read Only) (address 06h) ....................................................... 18
5.6.1 Left and Right Channel Acceptance Bit (ACCR-ACCL) ................................................ 18
5.6.2 Left and Right Channel ADC Output Level (LVR and LVL) ........................................... 18
5.7 Master Clock Control (address 07h)................................................................................. 18
5.7.1 Master Clock Control (MCK).......................................................................................... 18
6. PIN DESCRIPTIONS — CS4223 ............................................................................................ 19
7. PIN DESCRIPTIONS — CS4224 ............................................................................................ 21
8. APPLICATIONS ..................................................................................................................... 23
8.1 Overview .......................................................................................................................... 23
8.2 Grounding and Power Supply Decoupling ....................................................................... 23
8.3 High Pass Filter ............................................................................................................... 23
8.4 Analog Outputs ................................................................................................................ 23
8.5 Master vs. Slave Mode .................................................................................................... 23
8.6 De-emphasis ................................................................................................................... 23
8.7 Power-up / Reset / Power Down Calibration ................................................................... 23
8.8 Control Port Interface (CS4224 only) .............................................................................. 24
8.8.1 SPI Mode ............................................................................................................ 24
2
8.8.2 I C Mode ............................................................................................................. 24
8.9 Memory Address Pointer (MAP)....................................................................................... 25
8.9.1 Auto-Increment Control (INCR) ..................................................................................... 25
8.9.2 Register Pointer (MAP).................................................................................................. 25
9. ADC/DAC FILTER RESPONSE.............................................................................................. 29
10. PARAMETER DEFINITIONS................................................................................................. 30
11. PACKAGE DIMENSIONS ..................................................................................................... 31
LIST OF FIGURES
Figure 1.
Serial Audio Port Data I/O Timing ............................................................................ 8
Figure 2.
Figure 3.
Figure 4.
Figure 5.
Figure 6.
Figure 7.
Figure 8.
Figure 9.
Figure 10.
Figure 11.
Figure 12.
Figure 13.
Figure 14.
Figure 15.
Figure 16.
Figure 17.
Figure 18.
Figure 19.
Figure 20.
Figure 21.
Figure 22.
SPI Control Port Timing............................................................................................ 9
I C Control Port Timing .......................................................................................... 10
2
CS4223 Recommended Connection Diagram ....................................................... 11
CS4224 Recommended Connection Diagram ....................................................... 12
Control Port Timing, SPI mode............................................................................... 25
2
Control Port Timing, I C mode ............................................................................... 25
Serial Audio Format 0 (I2S).................................................................................... 26
Serial Audio Format 1............................................................................................. 26
Serial Audio Format 2............................................................................................. 26
Serial Audio Format 3............................................................................................. 27
Optional Input Buffer .............................................................................................. 27
Single-ended Input Application............................................................................... 27
2- and 3-Pole Butterworth Filters............................................................................ 28
De-emphasis Curve................................................................................................ 28
Hybrid Analog/Digital Attenuation........................................................................... 28
ADC Filter Response.............................................................................................. 29
ADC Passband Ripple............................................................................................ 29
ADC Transition Band.............................................................................................. 29
DAC Filter Response.............................................................................................. 29
DAC Passband Ripple............................................................................................ 29
DAC Transition Band.............................................................................................. 29
DS290F1
3
CIRRUS [ CIRRUS LOGIC ]
