SX1278 Ver la hoja de datos (PDF) - Semtech Corporation
Número de pieza
componentes Descripción
Fabricante
SX1278 Datasheet PDF : 132 Pages
| |||
SX1276/77/78/79
WIRELESS, SENSING & TIMING
DATASHEET
1.4. Pin Description
Table 2 Pin Description
Number
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
Name
SX1276/77/79/(78)
GROUND
RFI_LF
VR_ANA
VBAT_ANA
VR_DIG
XTA
XTB
NRESET
DIO0
DIO1/DCLK
DIO2/DATA
DIO3
DIO4
DIO5
VBAT_DIG
GND
SCK
MISO
MOSI
NSS
RXTX/RF_MOD
RFI_HF (GND)
RFO_HF (GND)
GND
VBAT_RF
VR_PA
GND
PA_BOOST
RFO_LF
Type
SX1276/77/79/(78)
-
I
-
-
-
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
-
-
I
O
I
I
O
I (-)
O (-)
-
-
-
-
O
O
Description
SX1276/77/79/(78)
Exposed ground pad
RF input for bands 2&3
Regulated supply voltage for analogue circuitry
Supply voltage for analogue circuitry
Regulated supply voltage for digital blocks
XTAL connection or TCXO input
XTAL connection
Reset trigger input
Digital I/O, software configured
Digital I/O, software configured
Digital I/O, software configured
Digital I/O, software configured
Digital I/O, software configured
Digital I/O, software configured
Supply voltage for digital blocks
Ground
SPI Clock input
SPI Data output
SPI Data input
SPI Chip select input
Rx/Tx switch control: high in Tx
RF input for band 1 (Ground)
RF output for band 1 (Ground)
Ground
Supply voltage for RF blocks
Regulated supply for the PA
Ground
Optional high-power PA output, all frequency bands
RF output for bands 2&3
Rev. 4 - March 2015
©2015 Semtech Corporation
Page 11
www.semtech.com
Share Link: 