Pinout & Pin Definitions

F1 Smart Module Pinout Diagram

Figure 1: F1 Smart Module Pinout Diagram

Figure 2: F1 Smart Module Pin-out (Top View)

Kindly refer to Mechanical Data page for more details on the physical dimensions

F1 Smart Module Pin Definitions

Pin Number	Pin Name	MCU Pin	LTE Module Pin	Type	Description
R4	GND			Power	Ground signal
R6	GND			Power	Ground signal
R7	GND			Power	Ground signal
R9	USIM_CLK		SIM0_CLK	Analog I/O	USIM interface I/O to GM02S
R10	USIM_IO		SIM0_IO	Digital I/O	USIM interface I/O to GM02S
R12	GND			Power	Ground signal
R12	GND			Power	Ground signal
R21	GND			Power	Ground signal
R22	RESET	CHIP_PU		Analog I/O	Reset pin to ESP32-S3 for module reset
R23	P0	U0RXD		Analog I/O	UART0 RXD to ESP32-S3
R24	P1	U0TXD		Analog I/O	UART0 TXD to ESP32-S3
R25	P2	GPIO0		Analog I/O or Digital I/O	Analog I/O or Digital I/O to ESP32-S3
R26	P3	GPIO4		Analog I/O or Digital I/O	Analog I/O or Digital I/O to ESP32-S3
R27	P4	MTDO		Digital I/O	Digital I/O to ESP32-S3
R28	P5	GPIO5		Analog I/O or Digital I/O	Analog I/O or Digital I/O to ESP32-S3
*R29	P6	GPIO6			Reserved – Leave floating, do not connect
R30	P7	GPIO3		Analog I/O or Digital I/O	Analog I/O or Digital I/O to ESP32-S3
R31	P8	GPIO46		Digital I/O	Digital I/O to ESP32-S3
R32	P9	GPIO45		Digital I/O	Digital I/O to ESP32-S3
R33	P10	MTCK		Digital I/O	Digital I/O to ESP32-S3
R34	P11	GPIO11		Analog I/O or Digital I/O	Analog I/O or Digital I/O to ESP32-S3
R35	P12	GPIO21		Analog I/O or Digital I/O	Analog I/O or Digital I/O to ESP32-S3
R36	GND			Power	Ground signal
R37	PEXT1	GPIO1		Analog I/O or Digital I/O	Analog I/O or Digital I/O to ESP32-S3
R38	PEXT2	GPIO12		Analog I/O or Digital I/O	Analog I/O or Digital I/O to ESP32-S3
M39	GND			Power	Ground signal
L39	BLE/WIFI_ANT			RF I/O	RF interface to ESP32-S3 for BLE and/or Wi-Fi interface
K39	GND			Power	Ground signal
Pin Number	Pin Name	MCU Pin	LTE Module Pin	Type	Description
A38	PEXT3	GPIO14		Analog I/O or Digital I/O	Analog I/O or Digital I/O to ESP32-S3
A37	PEXT4	GPIO13		Analog I/O or Digital I/O	Analog I/O or Digital I/O to ESP32-S3
A36	GND			Power	Ground signal
A35	GND			Power	Ground signal
A34	P13	GPIO20		Analog I/O or Digital I/O	Analog I/O or Digital I/O to ESP32-S3/USB OTG D+
A33	P14	GPIO19		Analog I/O or Digital I/O	Analog I/O or Digital I/O to ESP32-S3/USB OTG D
A32	P15	GPIO38		Digital I/O	Digital I/O to ESP32-S3
A31	P16	GPIO41		Digital I/O	Digital I/O to ESP32-S3
A30	P17	GPIO2		Analog I/O or Digital I/O	Analog I/O or Digital I/O to ESP32-S3
A29	P18	GPIO10		Analog I/O or Digital I/O	Analog I/O or Digital I/O to ESP32-S3
A28	P19	GPIO15		Analog I/O or Digital I/O	Analog I/O or Digital I/O to ESP32-S3
A27	P20	GPIO16		Analog I/O or Digital I/O	Analog I/O or Digital I/O to ESP32-S3
A26	P21	GPIO17		Analog I/O or Digital I/O	Analog I/O or Digital I/O to ESP32-S3
A25	P22	GPIO18		Analog I/O or Digital I/O	Analog I/O or Digital I/O to ESP32-S3
A24	P23	GPIO42		Digital I/O	Digital I/O to ESP32-S3
A23	+3.3V	VDD3P3_CPU VDD3P3_RTC VDD3P3 VDDA		Power	Voltage supply to ESP32-S3 and module main circuit
A22	GND			Power	Ground signal
A21	+1.8V_OUT	VDD_SPI		Power	Voltage supply VDD_SPI to ESP32-S3 for SPI flash and PSRAM
A13	GND			Power	Ground signal
A12	GND			Power	Ground signal
A10	USIM_RST		SIM0_RSTN	Digital I/O	USIM interface I/O to GM02S
A9	USIM_VCC		SIM0_VCC	Power	USIM voltage supply to GM02S
A7	GND			Power	Ground signal
A6	GND			Power	Ground signal
A4	+VBATT		VBAT	Power	Voltage supply to GM02S
E1	GND			Power	Ground signal
F1	LORA_ANT			RF I/O	RF interface to SX1262 for LoRa interface
G1	GND			Power	Ground signal
J1	GND			Power	Ground signal
K1	LTE_ANT		LTE_ANT	RF I/O	RF interface to GM02S for LTE CAT-M1/CAT-NB1/CAT-NB2 interface
L1	GND			Power	Ground signal
M1	ATUN2		GPIO34/ ANT_TUNE0	Analog I/O	ANT_TUNE I/O to GM02S
N1	ATUN3		GPIO35/ ANT_TUNE1	Analog I/O	ANT_TUNE I/O to GM02S
O1	LTE_PS_CTRL		GPIO2/ PS_STATUS	Digital I/O	Power saving status I/O from GM02S
P1	LTE_STATUS		GPIO1/ STATUS_LED	Digital I/O	LTE status I/O from GM02S

Recommended Basic Circuit

Figure 3: F1 Smart Module Recommended Basic Circuit