LPWA Module Series
BG770A-GL Hardware Design
BG770A-GL_Hardware_Design 20 / 75
3.1. Pin Assignment
The following figure shows the pin assignment of BG770A-GL.
38
MAIN_RTS
32
ANT_GNSS
31
GND
30
GND
29
RESERVED
28
GND
27
GND
26
ANT_MAIN
53
GND
54
GND
55
GND
56
GND
1
GPIO1
2
PCM_DIN
3
PCM_CLK
4
RESERVED
6
MAIN_RXD
7
MAIN_TXD
8
GPIO2
9
GPIO3
40
GPIO5
39
MAIN_CTS
36
RESERVED
35
PCM_SYNC
34
PCM_DOUT
33
GPIO4
57
GPIO6
58
GND
59
AUX_RTS
60
DBG_TXD
61
DBG_RXD
62
MAIN_DTR
63
GPIO7
73
GND
74
GND
75
GND
76
MAIN_RI
77
AP_READY
78
STATUS
89
GND
88
GND
87
RESERVED
86
GND
85
GND
94
GRFC2
93
AUX_TXD
92
DBG_RTS
91
RESERVED
90
MAIN_DCD
79
NET_
STATUS
80
RESERVED
81
RESERVED
82
AUX_RXD
83
GRFC1
84
GND
71
RESERVED
70
AUX_CTS
69
RESERVED
68
RESERVED
67
DBG_RSTN
66
GND
65
USIM_GND
45
RESET_N
46
PWRKEY
47
GND
48
RESERVED
49
RESERVED
50
RESERVED
51
DBG_CTS
52
GND
25
GND
24
GND
23
GND
22
GND
21
VDD_EXT
20
VBAT_RF
19
VBAT_BB
18
ADC1
17
ADC0
72
PON_TRIG
41
W_DSIABLE#
42
USBPHY_
3P3
64
USBPHY_
3P3_EN
43
GND
44
USIM_DET
10
USB_DM
11
USB_DP
12
USB_VBUS
13
USIM_CLK
14
USIM_DATA
15
USIM_RST
16
USIM_VDD
ANT
GND
GPIO
USB
USIM
POWER
RESERVED
Control&Indicator
PCM
UART
I2C
5
I2C_SDA
37
I2C_SCL
Figure 2: Pin Assignment (Top View)
