Product Info

LTE Standard Module Series
EG91 Series Hardware Design
EG91_Series_Hardware_Design
22 / 102
NC
1
49
NC
GND
2
3
82
81
80
79
48
47
CLK
4
102
101
100
99
46
68
88
93
73
89
90
91
92
69
70
71
72
GND
USIM_GND
USIM1_CLK
45
USIM1_DATA
PCM_
PCM_SYNC
5
PCM_DIN
6
63
83
USIM2_PRES
ENCE
98
78
44
USIM1_RST
PCM_DOUT
7
64
84
USIM2_CLK
97
77
43
USIM1_VDD
USB_VBUS
8
42
USIM1_PRESENCE
USB_DP
9
65
85 USIM2_RST
96
76
41
I2C_SDA
USB_DM
10
40
I2C_SCL
58
62 61 60 59
AP_READY
19 20 21 22 23 24
GND
STATUS
GND
ANT_MAIN
NETLIGHT
GND
DBG_RXD
DBG_TXD
GND
ADC0
57
NC
ANT_DIV
(EG91
-NA/-NS/-VX/-EX/-NAX)
RESERVED
(Pin 56 on EG91
-E)
GND
25 26 27 28 29 30 31
56
55
54 53 52 51 50
RESERVED
SPI_CLK
SPI_MOSI
GND VBAT_RF
SPI_MISO
VBAT_RF
VDD_EXT
DTR
NC
GND
GND
3.2. Pin Assignment
The following figure shows the pin assignment of EG91 series module.
103
106
ANT_GNSS (EG91-NA/-NS/-VX/-EX/-NAX/-AUX)
ANT_DIV (EG91-E)
NC
NC
NC
NC
PWRKEY
1)
NC
RESET_N
RESERVED
66
11
67
12
13
14
15
16
17
18
86
USIM2_DATA
87
USIM2_VDD
95 75
USB_BOOT
39
94 74
38
37
36
35
34
33
32
RI
DCD
RTS
CTS
TXD
RXD
VBAT_BB
VBAT_BB
104
105
POWER USB UART (U)SIM
PCM
SPI
ANT
GND
NC
RESERVED
OTHERS
Figure 2: Pin Assignment (Top View)