Ehong EH-MB18, Manual

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Bluetooth Audio Module
Ehong Technology Co., Ltd
48kHz
16Ω
- 0.004 - %
Digital Gain
Digital Gain Resolution = 1/32
-24 - 21.5 dB
Analogue Gain Analogue Gain Resolution = 3dB -21 - 0 dB
Stereo separation (crosstalk)
- -88 - dB
Table 7: Digital to Analogue Converter
5. Pinout and Terminal Description
5.1. Pin assignment
Figure 1
：
Pinout of EH-MB18
Pin Symbol I/O Type Description
1 GND Ground Ground
2 AIO0 Bi-directional
Analogue programmable input/output
line
3 AIO1 Bi-directional
Analogue programmable input/output
line
4 CAP_SENSE0 Analogue input Capacitive touch sensor input
5 CAP_SENSE1 Analogue input Capacitive touch sensor input
6 CAP_SENSE2 Analogue input Capacitive touch sensor input
7 GND Ground Ground
8 PCM_IN
CMOS Input, with weak
internal pull-down
Synchronous Data Input
9 PCM_CLK Bi-directional with weak Synchronous Data Clock