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STAD133WT-15 Equipment Manual
Release 01/2019
8
2.7 Button
STAD133WT-15 has 1 button, the function as follow
：
1. RECOVERY button
；
（
Normally used while flash
）
Regarding the use of the RECOVERY 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.
Note: The triangle mark of the MIC interface is identified as pin 1. The interface is
built-in. The speaker is standard
Interface
PIN
Definition
MIC
1
MICIN1N
（
RIN1
）
2
MICIN1P
（
LIN1
）
SPK
1
+OUT_L
2
-OUT_L
3
-OUT_R
4
+OUT_R
2.10 WIFI and Bluetooth Module
STAD133WT-15 is equipped with Bluetooth WIFI 2-in-1 AP6212 module.
AP6212 can support Bluetooth 4.2 protocol 2.4G WIFI, after pairing, it
supports the function of transferring files with mobile phones and other
devices.
