Smart Machine Smart Decision
Table 25: Pin description
Pin name
Pin No. I/O
Function
GPIO1
68
O
Output PIN as LED control for network status. If it is
unused, left open.
GPIO4
66
I
Input PIN as RF operating control.
H: Normal Mode L:Flight Mode
If it is unused, left open.
GPIO40
71
O
Output PIN as operating status indicating of module.
H: Power on L: Power off
If it is unused, left open.
GPIO41
69
I/O
General input/output PIN. It can be used as wake/interrupt
signal to host from module If it is unused, left open.
GPIO42
67
I/O
General Purpose Input/Output Port.
GPIO43
70
I/O
General Purpose Input/Output Port. It can be used as
wake/interrupt signal to module from host. If it is unused, left
open.
GPIO44
72
I/O
General Purpose Input/Output Port
Note: The output driver current of GPIOs is 2mA.
3.10.2
Application Guide
Network status
GPIO1 is used to control Network Status LED; application circuit is shown below.
Figure 29: Application circuit
Note: The value of resistor Rx depends on LED characteristic.
SIM5320J-TE_Hardware Design_V1.01
2012-11-09
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