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Technologies
STAD156WT-15 Equipment Manual
Release 01/2019
9
HDMI(J29) is a high-definition screen interface with 4 sets of differential
lines. The HDMI mark is printed on the enclosure. Users can connect
multiple display sizes. The default resolution is 1920 * 1080.
2.7 Button
STAD070WT-11 has 1 button, the function as follow
：
1. UBOOT button
；（
Normally used for programming)
Regarding the use of the UBOOT button to flash the image in img format,
users can refer to the user manual.
2.8 TF Card Holder
The onboard leads 4-bit data cable to the TF card holder, supports
large-capacity storage. It is designed for hot-swap detection, supports
eMMC protocol 4.3 and SD Memory Card protocol v2.0.
2.9 Audio Interface
The MIC is the microphone jack, and the SPK is the left channel speaker
jack. The SPK interface is an 8R/3W amplifier circuit.
Interface
PIN
Definition
MIC(J27)
1
MICIN1N
（
RIN1
）
2
MICIN1P
（
LIN1
）
SPK(J28)
1
+OUT_L
2
-OUT_L
3
-OUT_R
4
+OUT_R
