Cirrus Logic CDB42428 - Manual (Page 9)

CDB42428
9
1.16 DSP Header Signals
Header
Pin #
Signal Description Source Schematic
Signal Name
Buffer Buffer
Voltage
1 Master Clock CS424xx or DSP DSP_MCLK 74VHC125 VLS
2 Ground CDB GND - -
3 DAC port LRCK CS424xx or DSP DSP_DAC_LRCK 74VHC125 VLS
4 Ground CDB GND - -
5 DAC port SCLK CS424xx or DSP DSP_DAC_SCLK 74VHC125 VLS
6 Ground CDB GND - -
7 DAC port SDATA Input 1 DSP DSP_SDAT1 74VHC125 VLS
8 Ground CDB GND - -
9 DAC port SDATA Input 2 DSP DSP_SDAT2 74VHC125 VLS
10 Ground CDB GND - -
11 DAC port SDATA Input 3 DSP DSP_SDAT3 74VHC125 VLS
12 Ground CDB GND - -
13 DAC port SDATA Input 4 DSP DSP_SDAT4 74VHC125 VLS
14 Ground CDB GND - -
15 no connect - - - -
16 Ground CDB GND - -
17 ADC port LRCK CS424xx or DSP DSP_ADC_LRCK 74VHC125 VLS
18 Ground CDB GND - -
19 ADC port SCLK CS424xx or DSP DSP_ADC_SCLK 74VHC125 VLS
20 Ground CDB GND - -
21 no connect - - - -
22 Ground CDB GND - -
23 ADC port SDATA Output CS424xx DSP_ADC_SDOUT 74VHC125 VLS
24 Ground CDB GND - -
25 Unused Buffered Output - - 74VHC125 VLS
26 Ground CDB GND - -
27 No Connect - - - -
28 Ground CDB GND - -
29 Serial Port Interface Power CDB VLS - -
30 Ground CDB GND - -
31 Serial Port Interface Power CDB VLS - -
32 Ground CDB GND - -
Table 4. CS424xx DS P H e a d e r S i g n a l s