4: Open-QTM 410 Carrier Board
Open-Q 410 Dev Kit User Guide
35
The pinout for the speaker connectors is shown below.
Table 10 – Speaker Connector Pinout
Pin #
J1102
Signal Name
J1103
Signal Name
Description
1
CDC_EAR_N
SPKR_OUT_N
Audio output negative.
2
CDC_EAR_P
SPKR_OUT_P
Audio output positive.
4.11.3
Digital Mic Header
J1104 is a 6-pin header (see below) that contains connections from BLSP1 on the CPU. These connections
also double as a digital microphone input. The header is found on the bottom side of the carrier board.
Figure 19 – Digital Mic Header
The pinout for the digital Mic header is shown below.