User's Manual

GL50MG User Manual
3. Interface Definition
GL50MG has an internal 4-pin connector. It can be used to configure the device. The definition of
the pins is in the following table.
Figur
e 3. 4-pin Connector of the GL50MG
Table 8. Description of 4-pin Connections
Index Pin Name Description
1 USB_5V Not used
2 RXD MCU UART RXD
3
TXD
MCU UART TXD
4 GND Power and digital ground
QSZTRACGL50MGUM0100 6