Product Info

LPWA Module Series
BG95 Series Hardware Design
BG95_Series_Hardware_Design 60 / 106
3.19. GRFC Interfaces
The module provides two generic RF control interfaces for the control of external antenna tuners.
Table 27: Pin Definition of GRFC Interfaces
Table 28: Logic Levels of GRFC Interfaces
Table 29: Truth Table of GRFC Interfaces
1. GRFC2 (pin 84) is a BOOT_CONFIG pin. Never pull it up before startup, otherwise the module cannot
power on normally.
2. BG95-M4 does not support GRFC interfaces.
Pin Name
Pin No.
Description
Comments
GRFC1
83
Generic RF controller
1.8 V power domain.
GRFC2
84
Generic RF controller
BOOT_CONFIG.
Do not pull it up before startup.
1.8 V power domain.
Parameter
Min.
Max.
Unit
V
OL
0
0.45
V
V
OH
1.35
1.8
V
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, B28, B85
High
High
617–698
B71
NOTES