Hardware Reference Manual
SOM
Version 1.0
- 38 -
eInfochips Confidential
Below is the Pinout Specification of Headset Jack,
Pin Number
Net Name
Pin Function
J19.1
CONN_CDC_MIC2_P
MIC2 Input Positive
J19.2
CDC_HPH_L
Headphone Left Channel
J19.3
CDC_HPH_R
Headphone Right Channel
J19.4
CDC_HPH_REF
Headphone Reference Signal (Ground)
J19.5
MBHC
Headset Detect Signal
J19.6
NP
Connected to Ground
Table 5:
Headset (J19) Pinout
Figure 12 – Analog and Digital Codec Headers (J17 & J18)
Below is the Pinout Specification of J17,
Pin Number
Net Name
Pin Function
J17.1
CONN_CDC_MIC1_P
MIC1 Input Positive
J17.2
CONN_CDC_MIC5_P
MIC5 Input Positive
J17.3
GND
Ground
J17.4
GND
Ground
J17.5
CONN_CDC_MIC6_P
MIC6 Input Positive
J17.6
CONN_CDC_MIC3_P
MIC3 Input Positive
J17.7
GND
Ground
J17.8
GND
Ground
J17.9
CDC_SPEAKER1_OUT_P
Speaker1 Output Positive
J17.10
CONN_CDC_MIC4_P
MIC4 Input Positive
J17.11
CDC_SPEAKER1_OUT_M
Speaker1 Output Negative
J17.12
GND
Ground
J17.13
CDC_EAR_M
Earpiece Output Negative
J17.14
CDC_SPEAKER2_OUT_P
Speaker2 Output Positive
J17.15
CDC_EAR_P
Earpiece Output Positive
Summary of Contents for Eragon 624 SOM
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