LPWA Module Series
BG952A-GL_QuecOpen_Hardware_Design
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Figure 21: Reference Design of STATUS
3.19. GRFC Interfaces
*
The module provides two generic RF control interfaces for the control of external antenna tuners.
Table 22: Pin Definition of GRFC Interfaces
Table 23: Truth Table of GRFC Interfaces
Pin Name
Pin No.
I/O
Description
Comment
GRFC1
83
DO
Generic RF controller
1.8 V power domain.
If unused, keep these pins open.
GRFC2
84
DO
Generic RF controller
GRFC1 Level
GRFC2 Level Frequency Range (MHz)
Band
Low
Low
880–2200
B1, B2, B3, B4, B8, B25, B66
Low
High
791–894
B5, B18, B19, B20, B26, B27
High
Low
698–803
B12, B13, B17, B28
