CDB42428 Cirrus Logic Inc, CDB42428 Datasheet - Page 7

• Manufacturer Part Number: CDB42428
• Description: BOARD EVAL FOR CS42428 CODEC
• Manufacturer: Cirrus Logic Inc

Specifications of CDB42428

• Main Purpose: Audio, CODEC
• Embedded: Yes, FPGA / CPLD
• Utilized Ic / Part: CS42428/26/18/16
• Primary Attributes: 6 Single-Ended Analog Inputs and 8 Outputs, S/PDIF Digital Audio Transmitter and Receiver
• Secondary Attributes: Graphic User Interface
• Product: Audio Modules
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
• Other names: 598-1499

Header
Pin #
1.15
EXT A/D #1 LEFT/RIGHT
EXT A/D #2 LEFT/RIGHT
JUMPER / SWITCH
1
2
3
4
5
6
7
8
9
EXTERNAL CONTROL
OUT_A1 to OUT_B4
ANALOG IN LFT/RT
DSP HEADER - J36
SPDIF TX - OPT2
J13,J15,J16
J18,J19,J20
J23,J25,J26
J28,J29,J30
J32,J34,J35
J39,J40,J41
J43,J45,J46
J9,J10,J11
HEADER - J17
SPDIF TX - J2
External Control Present Signal
Ground
Address Bit 0 (I
Ground
Address Bit 1 (I
Ground
SDA (I
Ground
Serial Control Port Clock
PC Port - J22
External Control Header Signals
J37
J38
S2
OPT4
2
C) / CDOUT (SPI)
Signal Description
2
2
C) / CS- (SPI)
C) / CDIN (SPI)
Selects source of voltage for the
Selects source of voltage for the
DAC Output Filter select - FILT
Stand-Alone Mode Select
Input/Output
Input/Output
Input/Output
Table 3. CS424xx External Control Header Signals
Output
Output
Output
VLS supplies
Input
Input
Input
Input
PURPOSE
VD supply
Table 1. System Connections
Table 2. Jumper Settings
CTRL or CS424xx
CS8416 digital audio interface input via optical
CS8406 digital audio interface output via coax
CS8406 digital audio interface output via optical
Parallel connection to computer for SPI / I
I/O for SPI / I
I/O for DSP serial port signals - see signal descriptions below
RCA phono jacks for analog input signal to CS424xx internal ADCs
RCA phono jacks for analog input signal to CS5361 ADC #1
RCA phono jacks for analog input signal to CS5361 ADC #2
RCA phono jacks for channels A1 to B4 analog outputs
Source
CTRL
CTRL
CTRL
CTRL
CDB
CDB
CDB
CDB
2
POSITION
C control port signals - see signal descriptions below
+3.3 V
+3.3 V
SAM0
SAM1
*+5 V
*+5 V
*1
EXT_CONTROL_PRESENT-
2
Schematic Signal Name
SDA/CDOUT
SCL/CCLK
AD1/CDIN
Stand-Alone Modes are for debug use
Selects instrumentation-amp/LPF/pad
AD0/CS
Voltage source is +5 V binding post
Voltage source is +5 V binding post
Voltage source is +3.3 V regulator
Voltage source is +3.3 V regulator
GND
GND
GND
GND
and are presently unsupported
Selects standard 2-pole LPF
FUNCTION SELECTED
*Default Factory Settings
2
C control port signals
74VHC125
74VHC125
74VHC125
MOSFET
CDB42428
Buffer
-
-
-
-
-
Voltage
Buffer
VLC
VLC
VLC
VLC
-
-
-
-
-
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