UMTS/HSPA+/LTE Standard Module Series
Mini PCIe-C EVB User Guide
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4.3.1.2. Handset Interface (J404)
The analog audio interface J404 is designed for handset. Its reference circuit design is shown as below.
ESD
33pF
ESD
ESD
ESD
33pF
33pF
33pF
33pF
33pF
10pF
10pF
10pF
10pF
10pF
10pF
MIC_P
MIC_N
SPK_P
SPK_N
FB
4
1
3
2
TLV320AIC1106
J404
CODEC
11
10
5
7
Figure 14: Reference Circuit Design for Handset Interface J404
The figure and table below illustrate the pin assignment and pin definition of the handset interface J404.
1
2
3
4
Figure 15: Pin Assignments of Handset Interface J404