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U3 SIM7600G-H-M2 R2 please explain to me which pins I need to connect to the ESP...

parcomolo

@copilot U3 SIM7600G-H-M2 R2 please explain to me which pins I need to connect to the ESP32?

copilot

To determine which pins of the SIM7600G-H-M2 R2 need to be connected to the ESP32-WROOM-32D, we should consider the interfaces we would like to implement between these two devices. The SIM7600G module typically communicates with microcontrollers using several possible interfaces like UART, USB, or SPI. The decision depends on your project requirements and available pins on the ESP32.

Let's assume we want to utilize the UART interface for a simple communication setup:

Recommended Pin Connections for UART Communication:

SIM7600G Pins:
- TXD (Pin 71): This pin is used to send data from the SIM7600G to the ESP32.
- RXD (Pin 68): This pin is used to receive data from the ESP32 to the SIM7600G.
- GND (e.g., Pin 1 or 2): Ground pin should be connected to the common ground with the ESP32.
ESP32 Pins:
- IO16 (Pin 27): You can use this pin as RXD for receiving data from the SIM7600G.
- IO17 (Pin 28): You can use this pin as TXD for sending data to the SIM7600G.
- GND (Pin 1, 15, or 38): Connect to the common ground.

Connection Details:

Connect U3:TXD (Pin 71) to U1:IO16 (Pin 27).
Connect U3:RXD (Pin 68) to U1:IO17 (Pin 28).
Connect U3:GND (Pin 1 or 2) to U1:GND (Pin 1, 15, or 38).

Make sure the SIM7600G module is powered correctly and any additional control pins you may need (like the power key or reset) are properly managed according to your application's needs. If you have specific requirements for other features or interfaces, let me know!

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list all U3 pins in a table format. For each pin provide its pin number, pin nam...

parcomolo

@copilot list all U3 pins in a table format. For each pin provide its pin number, pin name and function.

copilot

Below is the table listing all the pins for the SIM7600G-H-M2 R2 module, referred to by its designator U3 in your project:

Table

Pin Number	Pin Name	Function
1	GND	Ground
2	GND	Ground
3	~PWRKEY	Power Key
4	~RESET	Reset
5	GND	Ground
6	SPI_CLK	SPI Clock
7	SPI_MISO	SPI Master In Slave Out
8	SPI_MOSI	SPI Master Out Slave In
9	SPI_CS	SPI Chip Select
10	GND	Ground
11	USB_VBUS	USB VBUS
12	USB_DN	USB Data Negative
13	USB_DP	USB Data Positive
14	GND	Ground
15	VDD_1V8	1.8V Power Supply
16	USB_ID	USB ID
17	USIM_DATA	USIM Data
18	USIM_RST	USIM Reset
19	USIM_CLK	USIM Clock
20	USIM_VDD	USIM Power Supply
21	SD_CMD	SD Command
22	SD_DATA0	SD Data Line 0
23	SD_DATA1	SD Data Line 1
24	SD_DATA2	SD Data Line 2
25	SD_DATA3	SD Data Line 3
26	SD_CLK	SD Clock
27	SDIO_DATA1	SDIO Data Line 1
28	SDIO_DATA2	SDIO Data Line 2
29	SDIO_CMD	SDIO Command
30	SDIO_DATA0	SDIO Data Line 0
31	SDIO_DATA3	SDIO Data Line 3
32	SDIO_CLK	SDIO Clock
33	GPIO3	General Purpose I/O
34	GPIO6	General Purpose I/O
35	HSIC_STROBE	HSIC Strobe
36	HSIC_DATA	HSIC Data
37	GND	Ground
38	VBAT	Battery Power Supply $($VBAT$)$
39	VBAT	Battery Power Supply $($VBAT$)$
40	GND	Ground
41	GND	Ground
42	DBG_TXD	Debug Transmit Data
43	GND	Ground
44	VDD_AUX	Auxiliary Power Supply
45	ISINK	Current Sink
46	ADC2	Analog-to-Digital Converter 2
47	ADC1	Analog-to-Digital Converter 1
48	SD_DET	SD Card Detection
49	STATUS	Status Indicator
50	GPIO43	General Purpose I/O
51	NETLIGHT	Network Light Indicator
52	GPIO41	General Purpose I/O
53	USIM_DET	USIM Detection
54	FLIGHTMODE	Flight Mode Control
55	SCL	Serial Clock Line $($I2C$)$
56	SDA	Serial Data Line $($I2C$)$
57	GND	Ground
58	GND	Ground
59	AUX_ANT	Auxiliary Antenna
60	GND	Ground
61	GND	Ground
62	VBAT	Battery Power Supply $($VBAT$)$
63	VBAT	Battery Power Supply $($VBAT$)$
64	GND	Ground
65	GND	Ground
66	RTS	Request to Send
67	CTS	Clear to Send
68	RXD	Receive Data
69	RI	Ring Indicator
70	DCD	Data Carrier Detect
71	TXD	Transmit Data
72	DTR	Data Terminal Ready
73	PCM_OUT	PCM Audio Output
74	PCM_IN	PCM Audio Input
75	PCM_SYNC	PCM Audio Synchronization
76	PCM_CLK	PCM Audio Clock
77	GND	Ground
78	GND	Ground
79	GNSS_ANT	GNSS Antenna Input
80	GND	Ground
81	GND	Ground
82	MAIN_ANT	Main Antenna Input
83	COEX1	Coexistence Interface 1
84	COEX2	Coexistence Interface 2
85	BOOT_CFG0/USB_BOOT	Boot Configuration/USB Boot
86	COEX3	Coexistence Interface 3
87	GPIO77	General Purpose I/O
88	RESERVED	Reserved
89	RESERVED	Reserved
90	RESERVED	Reserved
91	RESERVED	Reserved
92	RESERVED	Reserved
93	GND	Ground
94	GPIO4	General Purpose I/O
95	GPIO2	General Purpose I/O
96	GPIO1	General Purpose I/O
97	GPIO_54	General Purpose I/O
98	GND	Ground
99	RESERVED	Reserved
100	RESERVED	Reserved
101	RESERVED	Reserved
102	RESERVED	Reserved
103	RESERVED	Reserved
104	RESERVED	Reserved
105	RESERVED	Reserved
106	DBG_RXD	Debug Receive Data
107	NC	No Connect
108	SGMII_RST_N	SGMII Reset
109	SGMII_INT_N	SGMII Interrupt
110	GND	Ground
111	RESERVED	Reserved
112	SGMII_RX_P	SGMII Receive Positive
113	SGMII_RX_M	SGMII Receive Negative
114	SGMII_TX_M	SGMII Transmit Negative
115	SGMII_TX_P	SGMII Transmit Positive
116	SGMII_MDIO	SGMII Management Data I/O
117	SGMII_MDC	SGMII Management Data Clock
118	GND	Ground
119	GPIO_19	General Purpose I/O
120	GND	Ground
121	GND	Ground
122	GND	Ground
123	GND	Ground
124	GND	Ground
125	GND	Ground
126	GND	Ground
127	GND	Ground
128	GND	Ground
129	GND	Ground
130	GND	Ground
131	GND	Ground
132	GND	Ground
133	GND	Ground
134	GND	Ground
135	GND	Ground

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Resistance

10kΩ

Resistance

10kΩ

Resistance

10kΩ

Resistance

1800 Ω

REED1

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