Table 1. system connections – Cirrus Logic CDB44800 User Manual
Page 6

CDB44800
6
DS632DB2
CONNECTOR
Reference
Designator
INPUT /
OUTPUT
SIGNAL PRESENT
+5V
J36
Input
+5.0 V Power Supply
GND
J35
Input
Ground Reference
VDX
J30
Input
+2.5 V, +3.3 V, or +5.0 V Power Supply for VDX
VLS
J31
Input
+2.5 V, +3.3 V, or +5.0 V Power Supply for VLS
VLC
J32
Input
+2.5 V, +3.3 V, or +5.0 V Power Supply for VLC
VDP
J28
Input
+3.3 V or +5.0 V Power Supply for VDP
COAX IN
J33
Input
CS8416 digital audio input via coaxial cable
OPTICAL IN
OPT1
Input
CS8416 digital audio input via optical cable
PCM Input
J24
Input
Input for PCM Clocks and Data
HEADPHONE
J23
Output
Headphone Driver Output
LFE LINE OUT
J22
Output
Line Level Output for LFE Channel
SERIAL
J37
Input
Serial Control Port Interface
VP
J17
Input
+20 V to +50 V Power Supply for the TDA8939 Output Power
Stages
FB_CHANNEL_1/L
J1
J2
Output
Output
Positive and Negative Full Bridge Outputs for Channel 1 / Left
FB_CHANNEL_2/R
J3
J4
Output
Output
Positive and Negative Full Bridge Outputs for Channel 2 / Right
HB_CHANNEL_3/LS
J5
J6
Output
Output
Positive Half Bridge Output and Ground Reference for Channel
3 / Left Surround
HB_CHANNEL_4/RS
J7
J8
Output
Output
Positive Half Bridge Output and Ground Reference for Channel
4 / Right Surround
FB_CHANNEL_5/C
J9
J10
Output
Output
Positive and Negative Full Bridge Outputs for Channel 5 / Cen-
ter
FB_CHANNEL_6/LFE
J11
J12
Output
Output
Positive and Negative Full Bridge Outputs for Channel 6 / Low
Frequency Effects (Subwoofer)
HB_CHANNEL_7/SBL
J13
J14
Output
Output
Positive Half Bridge Output and Ground Reference for Channel
7 / Surround Back Left
HB_CHANNEL_8/SBR
J15
J16
Output
Output
Positive Half Bridge Output and Ground Reference for Channel
8 / Surround Back Right
Table 1. System Connections