Module pin assignments

The pin assignment table and figure describe the assignments for this variant of the chip.

Table 1. LGA pin assignments

Pin	Name	Function	Description
1	GND	Power	Ground
2	GND	Power	Ground
3	GND	Power	Ground
4	GND	Power	Ground
5	RESERVED		Connect thermally and mechanically to the application board but leave electrically unconnected.
6	RFC1	Digital I/O	RF control interface
7	POWERKEY	Module Power on/off	Power the module on or off
8	GND	Power	Ground
9	GND	Power	Ground
10	GND	Power	Ground
11	SIM1_IO	Digital I/O	SIM1 data
12	SIM1_RST	Digital I/O	SIM1 reset
13	SIM1_CLK	Digital I/O	SIM1 clock
14	SIM1_VOUT	Power	SIM power supply
15	nRESET	Digital I/O	Module reset pin
16	NETWORK	Digital I/O	Network status indicator
17	UART1_RXD	Digital I/O	UART1 Receive
18	UART1_TXD	Digital I/O	UART1 Transmit
19	UART1_DTR	Digital I/O	UART1 Data Terminal Ready
20	UART1_RI	Digital I/O	UART1 Ring Indicator
21	RESERVED		Connect thermally and mechanically to the application board but leave electrically unconnected.
22	UART1_RTS	Digital I/O	UART1 Request To Send
23	UART1_CTS	Digital I/O	UART1 Clear To Send
24	LDO_OUT	Power	LDO power out. nominal 1.8V, max 120mA
25	STATUS	Digital I/O	Module operating status
26	GND	Power	Ground
27	GND	Power	Ground
28	UART2_RXD	Digital I/O	UART2 Receive
29	UART2_TXD	Digital I/O	UART2 Transmit
30	GND	Power	Ground
31	GND	Power	Ground
32	GND	Power	Ground
33	GND	Power	Ground
34	GND	Power	Ground
35	ANT	RF	Single-ended 50 Ω LTE antenna pin
36	GND	Power	Ground
37	GND	Power	Ground
38	UART0_RXD	Digital I/O	UART0 Receive (modem trace)
39	UART0_TXD	Digital I/O	UART0 Transmit (modem trace)
40	GND	Power	Ground
41	GND	Power	Ground
42	VDD	Power	Power Supply
43	VDD	Power	Power Supply
44	GND	Power	Ground
45	GND	Power	Ground
46	GND	Power	Ground
47	GND	Power	Ground
48	GND	Power	Ground
49	GND	Power	Ground
50	GND	Power	Ground
51	GND	Power	Ground
52	GND	Power	Ground
53	GND	Power	Ground
54	GND	Power	Ground
55	GND	Power	Ground
56	GND	Power	Ground
57	RESERVED		Connect thermally and mechanically to the application board but leave electrically unconnected.
58	RESERVED		Connect thermally and mechanically to the application board but leave electrically unconnected.
59	USB_DP	Digital I/O	USB differential data +
60	USB_DN	Digital I/O	USB differential data -
61	USB_VBUS	Digital I/O	USB VBUS input and System OFF wake-up
62	SIM2_CLK	Digital I/O	SIM2 clock
63	SIM2_RST	Digital I/O	SIM2 reset
64	SIM2_IO	Digital I/O	SIM2 data
65	SIM2_VOUT	Power	SIM power supply
66	UART2_RTS	Digital I/O	UART2 Request To Send
67	UART2_CTS	Digital I/O	UART2 Clear To Send
68	GND	Power	Ground
69	GND	Power	Ground
70	GND	Power	Ground
71	GND	Power	Ground
72	GND	Power	Ground
73	GND	Power	Ground
74	GND	Power	Ground
75	GND	Power	Ground
76	GND	Power	Ground
77	GND	Power	Ground
78	GND	Power	Ground
79	SIM1_DET	Digital I/O	SIM1 detect. If not used it must be left floating.
80	GND	Power	Ground
81	GND	Power	Ground
82	RESERVED		Connect thermally and mechanically to the application board but leave electrically unconnected.
83	GND	Power	Ground
84	GND	Power	Ground
85	GND	Power	Ground
86	GND	Power	Ground
87	GND	Power	Ground
88	GND	Power	Ground
89	GND	Power	Ground
90	GND	Power	Ground
91	GND	Power	Ground
92	GND	Power	Ground
93	GND	Power	Ground
94	GND	Power	Ground
95	GND	Power	Ground
96	GND	Power	Ground
97	GND	Power	Ground
98	GND	Power	Ground
99	GND	Power	Ground
100	RFC2	Digital I/O	RF control interface
101	RFC3	Digital I/O	RF control interface
102	GND	Power	Ground
103	RESERVED		Connect thermally and mechanically to the application board but leave electrically unconnected.
104	COEX0	Digital I/O	Coexistence and RF control interface
105	COEX1	Digital I/O	Coexistence and RF control interface
106	GND	Power	Ground
107	GND	Power	Ground
108	GND	Power	Ground
109	GND	Power	Ground