Hardware Reference Manual
Version 1.0
- 54 -
eInfochips Confidential
Figure 19 – IO Card Audio Headset Jack (J19)
Below is the Pinout Specification of Headset Jack,
Pin Number
Net Name
Pin Function
J19.1
AUDIO_JACK_SLEVE_MIC
MIC2 Input Positive
J19.2
AUDIO_JACK_TIP_LEFT
Headphone Left Channel
J19.3
AUDIO_JACK_RING1_RIGHT Headphone Right Channel
J19.4
CDC_HPH_REF
Headphone Reference Signal (Ground)
J19.5
AUDIO_JACK_TIP_DET
Headset Detect Signal
J19.6
NC
Connected to Ground
Table 19: IO Card
Headset (J19) Pinout
Figure 20 – IO Card Analog and Digital Codec Headers (J24 & J22)
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