Product Info
LPWA Module Series
BG600L-M3 Hardware Design
BG600L-M3_Hardware_Design 52 / 83
The following table describes the characteristics of GPIO interfaces.
Table 25: Logic Levels of GPIO Interfaces
1. GPIO1 is a BOOT_CONFIG pin, and please do not pull it up before startup.
2. “*” means under development.
2.19 GRFC Interfaces*
The module provides two general RF control interfaces for control of external antenna tuners.
Table 26: Pin Definition of GRFC Interfaces
GPIO2 10 IO General-purpose input/output
GPIO3 11 IO General-purpose input/output
GPIO4 12 IO General-purpose input/output
GPIO5 53 IO General-purpose input/output
GPIO6 54 IO General-purpose input/output
Parameter Min. Max. Unit
V
IL
-0.3 0.6 V
V
IH
1.2 2.0 V
V
OL
0 0.45 V
V
OH
1.35 1.8 V
Pin Name Pin No. I/O Description Comment
GRFC1 63 DO Generic RF controller
BOOT_CONFIG.
Do not pull it up before startup.
GRFC2 64 DO Generic RF controller
NOTES