User Guide

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Audio Interface (Version 1.3 Edit 47) for layout version 19
"EARN"
"MICP"
"MICN"
"XEARP"
"EARP"
"EARN"
"MIC1N"
"MIC1P"
"MIC2P"
"MIC2N"
"HF"
"HFCM"
"MICB1"
"Close to UEM"
Varistor arrays have reliability issues
MIC3 tracks to SysCon sheet
Used Refs: C151-C153, C155- 166
R151, 153-R160, 162, 163
L151
"EARP"
GND
"XEARN"
"XMICP"
"XMICN"
"MICB2"
1u0
C157
GND
R155
100k
1
0
6
GND
GND GND
C151
2 /2 33n
23
1 /2 33n
C151
C154
89
R157
GND
not_assembled
1n0
2x2k2
C166
1u0
27p
C152
R153
14V/46V
R152
2k2
1k0
R166
C168
27p
/2 22R
R167
1k0
2
R165
/2 22R
R165
1
/2 27p1
C163
/2 27p2
C161 C163
R164
2
2 /2 27p
/2 22R
/2 22R
1
23
4
1
R164
EXC24CB102U
L151
GNDGND
C158
100n
10k
R154
GND
2x2k2
GND
GND
100n
C165
R156
4
3
0
1
0
1
5
/2 33n2
C155
2x33n
/2 33n1
2x33n
C155
2
1
2
3
4
0
1
0
1
0
C161
C153
1 /2 1n
1 /2 27p
C153
2 /2 1n
not_assembled
R161
/2 VWM16V2
1 /2 VWM16V
R161
R159
/2 VWM16V2
1/2 VWM16V
R159
/2 27p2
C160
/2 27p1
C160
UIDRV(5:0)
HOOKINT
PUSL(3:0)
GENIO(31:0)
AUDUEMCTRL(3:0)
HEADINT
XMIC(2:0)
XEAR(3:0)
MIC(2:0)
EAR(1:0)
XAUDIO(17:0)
AUDIO(6:0)
SLOWAD(6:0)
IHF(1:0)