Wireless-tag SigmaStar SSD201 - 3.5 Speaker Interface; 3.6 DMIC Interface

SSD201/202 7-inch Smart Display User manual
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4
INT
TP reset signal
5
SDA
I2C bus data signal
6
SCL
I2C bus clock signal
Table 7. RTP interface definition
Pin No.
Pin definition
Description
1
X+
XR
2
Y+
YD
3
X-
XL
4
Y-
YU
3.5 Speaker Interface
The motherboard leads out a dual-channel speaker interface through a 4Pin PH2.0 horizontal
connector. Each channel supports 8ohm/1W speaker. The pin definitions of the speaker interface
are shown in Table 8.
Figure 7. Speaker interface diagram
Table 8. Speaker interface definition
Pin No.
Pin definition
Description
1
VOLN
Right channel speaker driver output
2
VOLP
3
VORN
Left channel speaker driver output
4
VORP
3.6 DMIC Interface
The motherboard leads out a digital microphone interface through a 10Pin horizontal PH2.0