SIM800C

GSM Quad-Band Communication Module, GPRS, Audio Engine, AT Command Set, Bluetooth is Optional

Schematic Symbol

Pin Configuration (42 pins)

Pin	Name	Type
1	UART1_TXD	output
2	UART1_RXD	input
3	UART1_RTS	input
4	UART1_CTS	output
5	UART1_DCD	output
6	UART1_DTR	input
7	UART1_RI	output
8	GND	power_in
9	MICP	input
10	MICN	input
11	SPKP	output
12	SPKN	output
13	GND	passive
14	SIM_DET	input
15	SIM_DATA	bidirectional
16	SIM_CLK	output
17	SIM_RST	output
18	SIM_VDD	power_out
19	GND	passive
20	BT_ANT	passive
21	GND	passive
22	UART2_TXD	output
23	UART2_RXD	input
24	USB_VBUS	input
25	USB_DP	bidirectional
26	USB_DM	bidirectional
27	GND	passive
28	VRTC	power_in
29	RF_SYNC	output
30	GND	passive
31	GND	passive
32	GSM_ANT	passive
33	GND	passive
34	VBAT	power_in
35	VBAT	passive
36	GND	passive
37	GND	passive
38	ADC	input
39	~{PWRKEY}	input
40	VDD_EXT	power_out
41	NETLIGHT	output
42	STATUS	output

Footprint

Confirmed

RF_GSM/SIMCom_SIM800C

Pad Layout

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