UMTS/HSPA/LTE Module Series
Mini PCIe EVB User Guide
Mini_PCIe_EVB_User_Guide Confidential / Released 19 / 30
ESD
33pF
ESD
ESD
ESD
33pF
33pF
33pF
33pF
33pF
10pF
10pF
10pF
10pF
10pF
10pF
FB
4
1
3
2
J101
J402
UC15 Mini PCIe-MIC_N
UC15 Mini PCIe-MIC_P
UC15 Mini PCIe-SPK_N
UC15 Mini PCIe-SPK_P
1
3
5
7
Figure 14: J402 Handset Circuit
Table 6: Pin Assignment of J404/J402
3.4. USIM Card Interface
The Mini PCIe EVB has a 6-pin push-push type USIM/SIM card (3V or 1.8V) holder J303. Figure 15
shows the simplified interface schematic for J303.
J404/J402 Pin
Pin Name
Function
1
MICN
Negative microphone input
2
SPKN
Negative speaker output
3
SPKP
Positive speaker output
4
MICP
Positive microphone input
Quectel
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