User's Manual

GL500 User manual
TRACGL500UM001 - 10 -
Figure 2. The 8 PIN connector on the GL500
Table 4. Description of 8 PIN Connections
Index Description Comment
1 CHARGER_IN External DC power input, 5V
2 NC Not connected
3 BB_RXD BB UART RXD
4 BB_TXD BB UART TXD
5 MCU_RESET MCU CHIP RESET SIGNAL
6 BKGD MCU CHIP BKGD SIGNAL
7 VDD_MCU_2V8
MCU POWER INPUT，2.8V
8 GND Power and digital ground