sx1231h Semtech Corporation, sx1231h Datasheet - Page 10

• Manufacturer Part Number: sx1231h
• Description: Low Power Integrated Uhf Transceiver With On-chip +20dbm Pa
• Manufacturer: Semtech Corporation

1.3. Pin Description
Table 1
Note
Rev 1 - Oct 2011
ADVANCED COMMUNICATIONS & SENSING
PA_BOOST can be left floating if unused
SX1231H Pinouts
Number
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
0
1
2
3
4
5
6
7
8
9
DIO1/DCLK
PA_BOOST
DIO2/DATA
GROUND
VR_ANA
VR_DIG
RESET
VR_PA
VBAT1
VBAT2
Name
RXTX
MISO
MOSI
DIO0
DIO3
DIO4
DIO5
RFIO
GND
GND
GND
XTB
SCK
NSS
XTA
Type
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
-
-
-
-
-
-
-
-
-
I
I
I
Page 10
Exposed ground pad
Supply voltage
Regulated supply voltage for analogue circuitry
Regulated supply voltage for digital blocks
XTAL connection
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
Ground
SPI Clock input
SPI Data output
SPI Data input
SPI Chip select input
Rx/Tx switch control: high in Tx
Ground
RF input / output
Ground
Optional high-power PA output
Regulated supply for the PA
Description
SX1231H
DATASHEET
www.semtech.com