Data Sheet

SARA-R4/N4 series - Data Sheet
UBX-16024152 - R16 Pin definition Page 15 of 39
3 Pin definition
3.1 Pin assignment
64 63 61 60 58 57 55 54
22 23 25 26 28 29 31 32
11
10
8
7
5
4
2
1
21
19
18
16
15
13
12
43
44
46
47
49
50
52
53
33
35
36
38
39
41
42
65 66 67 68 69 70
71 72 73 74 75 76
77 78
79 80
81 82
83 84
85 86 87 88 89 90
91 92 93 94 95 96
CTS
RTS
DCD
RI
V_INT
RSVD
GND
GPIO6
RESET_N
GPIO1
PWR_ON
RXD
TXD
3
20
17
14
9
6
24 27 30
51
48
45
40
37
34
5962 56
GND
GND
DSR
DTR
GND
VUSB_DET
GND
GND
USB_D-
USB_D+
RSVD
GND
GPIO2
GPIO3
SDA
SCL
GPIO4
GND GND
GND
SDIO_D2
SDIO_CMD
SDIO_D0
SDIO_D1
GND
VCC
VCC
RSVD
I2S_TXD / SPI_CS
I2S_CLK / SPI_CLK
SIM_CLK
SIM_IO
VSIM
GPIO5
VCC
SDIO_D3
SDIO_CLK
SIM_RST
I2S_RXD / SPI_MISO
I2S_WA / SPI_MOSI
GND GND GND GND GND GND GND GND GND ANT_DET ANT
SARA-R4/N4
Top View
Pin 65-96: GND
Figure 2: SARA-R4/N4 series pin assignment (top view)
No
Name
Power
domain
I/O
Description
Remarks
1
GND
-
N/A
Ground
All the GND pins must be connected to ground
2
RSVD
-
N/A
RESERVED pin
Leave unconnected.
3
GND
-
N/A
Ground
All the GND pins must be connected to ground
4
V_INT
-
O
Generic Digital
Interfaces supply output
V_INT = 1.8 V (typical) generated by the module when is
switched on, outside low power PSM deep sleep mode.
See section 4.2.3 for detailed electrical specs.
Provide test point for diagnostic purposes.
5
GND
-
N/A
Ground
All the GND pins must be connected to ground
6
DSR
GDI
O
UART data set ready
Circuit 107 (DSR) in ITU-T V.24.
See section 4.2.12 for detailed electrical specs.