Grfc Interface; Gpio Interface - Quectel LPWA Series Hardware Design

4.7. GRFC Interface*
The module provides two generic RF control interfaces for the control of external antenna tuners.
Table 28: Pin Definition of GRFC Interface
Pin Name Pin No.
GRFC1 83
GRFC2 84
Table 29: Truth Table of GRFC Interface
GRFC1 Level GRFC2 Level
Low Low
Low High
High Low
High High
4.8. GPIO Interface*
The module provides nine general-purpose input and output (GPIO) interfaces. AT+QCFG=
command can be used to configure the status of GPIO pins. For more details about the AT command, see
document [2].
Table 30: Pin Definition of GPIO Interface
Pin Name Pin No.
GPIO1 25
GPIO2 26
GPIO3 64
GPIO4 65
BG950A-GL&BG951A-GL_Hardware_Design
I/O Description
DO Generic RF controller
DO Generic RF controller
Frequency Range (MHz)
TBD
TBD
TBD
TBD
I/O Description
DIO General-purpose input/output
DIO General-purpose input/output
DIO General-purpose input/output
DIO General-purpose input/output
LPWA Module Series
Comment
1.8 V power domain.
Band
TBD
TBD
TBD
TBD
Comment
1.8 V power domain.
" "
gpio
51 /89