User Guide
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GM500-U1G_A
Hardware Development Guide
Tables
Table 1-1 GM500-U1G_A Supported Band .................................................................................. 12
Table 1-2 GM500-U1G_A Key Features....................................................................................... 12
Table 2-1 IO Parameters Definition .............................................................................................. 17
Table 2-2 Logic levels Description ................................................................................................ 17
Table 2-3 Pin Description ............................................................................................................. 17
Table 2-4 Power Supply ............................................................................................................... 25
Table 2-5 Definition of POWER_ON ............................................................................................. 27
Table 2-6 Power-on Time ............................................................................................................. 28
Table 2-7 Power-off Time ............................................................................................................. 28
Table 2-8 Pin Definition of the USIM Interface .............................................................................. 31
Table 2-9 Pin Description of Molex USIM Card Holder ................................................................. 33
Table 2-10 Pin Description of Amphenol USIM Card Holder ......................................................... 34
Table 2-11 USB Pin Description ................................................................................................... 35
Table 2-12 Pin Definition of the Main UART Interface .................................................................. 37
Table 2-13 Pin Definition of the Debug UART Interface ................................................................ 37
Table 2-14 Pin Definition of Network Indicator .............................................................................. 44
Table 2-15 Working State of the Network Indicator ...................................................................... 45
Table 2-16Pin Definition of ON_STATE .......................................................................................... 45
Table 2-17 Pin Definition of the ADC ............................................................................................ 46
Table 2-18 Characteristic of the ADC ........................................................................................... 46
Table 2-19 ADC interface features(1/3 scaling)............................................................................... 46
Table 2-20 ADC interface features(x1 scaling) ................................................................................ 47
Table 2-21 Pin Definition of WAKEUP_IN .................................................................................... 47
Table 2-22 Pin Definition of WAKEUP_OUT ................................................................................ 48
Table 2-23 Pin Definition of GPIO ................................................................................................ 50
Table 2-24 Pin Definition of USB_BOOT ........................................................................................ 50
Table 2-24 Pin Definition of SD controller Interface ......................................................................... 50
Table 2-24 Pin Definition of SGMII Interface ................................................................................... 52
Table 3-1 Pin Definition of Antenna .............................................................................................. 54