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