6 system connections and jumper pin blocks, 1 system connections, Table 3. system connections – Cirrus Logic CDB4244 User Manual
Page 20: Nally
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DS900DB2
CDB4244
6 SYSTEM CONNECTIONS AND JUMPER PIN BLOCKS
6.1
System Connections
Notes:
3.
Connecting to the PC through a USB hub is not recommended.
4.
for more information on configuring these headers.
5.
These connectors are part of the optional passive differential input filter network and are not used by
default. Refer to
for more information.
6.
When using the default active single-ended-to-differential analog input filter, only the pins labelled “+”
(signal) and “G” (ground) are used. When using the optional passive differential filter, all three pins
are used. This connectivity is shown in
and
.
Connector
Ref. Designator
Direction
Description
+5 V EXT
J15
Input
+5.0-V regulated power supply.
GND
J16
Input
System ground.
-12 V
J18
Input
-12.0-V regulated power supply.
+12 V
J17
Input
+12.0-V regulated power supply.
USB
J7
Input/Output
USB connection to PC for I²C control. See
.
S/PDIF IN (Optical)
S/PDIF IN (Coaxial)
J3
J4
Input
Digital audio input to CS8416.
S/PDIF OUT (Optical)
S/PDIF OUT (Coaxial)
J6
J5
Output
Digital audio output from CS8406.
C2
J8
Input/Output
I/O for programming the microcontroller (U16).
Ext Control Connection
J1
Input/Output
Header for external access to CS4244 control port.
See
Ext Control Connection
J2
Input/Output
Header for external access to CS4244 serial audio sig-
nals. See
.
AIN1 DIFF (Jack)
AIN2 DIFF (Jack)
AIN3 DIFF (Jack)
AIN4 DIFF (Jack)
J25
J9
J12
J28
Input
1/8” stereo audio jacks for differential analog audio
inputs. See
.
AIN1 DIFF (Header)
AIN2 DIFF (Header)
AIN3 DIFF (Header)
AIN4 DIFF (Header)
J27
J11
J14
J30
Input
Three-pin headers for differential analog audio inputs.
See
AIN1
AIN2
AIN3
AIN4
J26
J10
J13
J29
Input
RCA phono jacks for single-ended analog audio inputs.
AOUT1 DIFF (Jack)
AOUT2 DIFF (Jack)
AOUT3 DIFF (Jack)
AOUT4 DIFF (Jack)
J19
J22
J31
J34
Output
1/8” stereo audio jacks for differential analog audio out-
puts. See
AOUT1 DIFF (Header)
AOUT2 DIFF (Header)
AOUT3 DIFF (Header)
AOUT4 DIFF (Header)
J21
J24
J33
J36
Output
Three-pin headers for differential analog audio outputs.
See
AOUT1
AOUT2
AOUT3
AOUT4
J20
J23
J32
J35
Output
RCA phono jacks for single-ended analog audio out-
puts. See
.
Table 3. System Connections