3.2 Absolute Maximum Ratings .........................................................................................................................................................14
3.3 Operating Range ...............................................................................................................................................................................14
3.5.1 Power Consumption ...........................................................................................................................................................16
3.5.2 General Specifications ........................................................................................................................................................18
3.5.5 Digital I/O Specifications ...................................................................................................................................................21
4.1.1 RC Frequency References..................................................................................................................................................22
4.1.2 High-Precision Frequency Reference............................................................................................................................22
4.1.3 XTAL Control Block ..............................................................................................................................................................23
4.1.4 TCXO Control Block .............................................................................................................................................................24
4.4.1 SX1261 Power Amplifier Specifics..................................................................................................................................27
4.4.2 SX1262 Power Amplifier Specifics..................................................................................................................................29
4.4.3 Power Amplifier Summary ................................................................................................................................................31
5. Power Distribution ........................................................................................................................................................................................32
5.1 Selecting DC-DC Converter or LDO Regulation ....................................................................................................................32
5.1.1 Option A: SX1261 with DC-DC Regulator ....................................................................................................................33
5.1.2 Option B: SX1261 with LDO Regulator .........................................................................................................................34
5.1.3 Option C: SX1262 with DC-DC Regulator ....................................................................................................................34
5.1.4 Option D: SX1262 with LDO Regulator.........................................................................................................................35
5.1.5 Consideration on the DC-DC Inductor Selection......................................................................................................35
5.2 Flexible DIO Supply .........................................................................................................................................................................36
6.2.3 FSK Packet Format ...............................................................................................................................................................44
7. Data Buffer .......................................................................................................................................................................................................47
7.1 Principle of Operation .....................................................................................................................................................................47
7.2 Data Buffer in Receive Mode ........................................................................................................................................................48
7.3 Data Buffer in Transmit Mode ......................................................................................................................................................48
7.4 Using the Data Buffer ......................................................................................................................................................................48
8. Digital Interface and Control .....................................................................................................................................................................49
8.2.1 SPI Timing When the Transceiver is in Active Mode................................................................................................49
8.2.2 SPI Timing When the Transceiver Leaves Sleep Mode ...........................................................................................50
8.3 Multi-Purpose Digital Input/Output (DIO) ..............................................................................................................................51
8.3.1 BUSY Control Line ................................................................................................................................................................51
8.3.2 Digital Input/Output ...........................................................................................................................................................53
8.4 Digital Interface Status versus Chip modes ............................................................................................................................53
9.2.1 Image Calibration for Specific Frequency Bands ......................................................................................................55
9.7.1 PA Ramping............................................................................................................................................................................58
9.8 Active Mode Switching Time .......................................................................................................................................................58
11. List of Commands ......................................................................................................................................................................................61
11.2 Register and Buffer Access Commands .................................................................................................................................62
11.3 DIO and IRQ Control ......................................................................................................................................................................62
11.4 RF, Modulation and Packet Commands .................................................................................................................................62
11.5 Status Commands ..........................................................................................................................................................................63
13.2 Registers and Buffer Access ........................................................................................................................................................77
13.2.1 WriteRegister Function ....................................................................................................................................................77
13.2.3 WriteBuffer Function ........................................................................................................................................................77
13.2.4 ReadBuffer Function .........................................................................................................................................................78
13.3 DIO and IRQ Control Functions .................................................................................................................................................78
13.5 Communication Status Information .......................................................................................................................................94
I want to use OPA111 to detect a weak signal. How can I achieve zero adjustment of this amplifier? I need a zero adjustment circuit urgently. Thank you....
Zigbee has two address allocation methods: distributed allocation mechanism and random allocation mechanism.1. Random allocation mechanismThe random allocation mechanism means that when the value of n...
I used Keil to debug the ucos project downloaded from the Internet, and an error occurred: .\OutPut\LPC214X_uCosii.axf: Error: L6320W: Ignoring --entry command. Cannot find argument 'Reset_Handler'. ....
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[Details]
Remote keyless entry (RKE) systems have become popular with users, with more than 80% of new cars in North America and more than 70% in Europe equipped with RKE systems. In addition to the obvious ...[Details]
LED lighting: Basic circuit design can be completed in as little as one day
Semiconductor manufacturers are also getting involved in the LED lighting business. The power circuit of LED req...[Details]
The TPS92210 is a single-stage LED lighting pulse width modulation (PWM) controller. The TRIAC dimmable solution not only regulates the LED current, but also achieves a power factor close to 1. The...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
The ARINC429 bus is one of the most commonly used communication buses between various subsystems of avionics. As the "skeleton" of modern avionics systems, once the bus system or the attached airbo...[Details]
1 Development of LED Film and Television Lighting
1.1 The significance of developing film and television lighting
Lighting power consumption accounts for a large proportion of the total p...[Details]
Car lights, whether headlights, fog lights or tail lights, play an important role in driving safety. However, the material of the car lights determines that the probability of damage in a collision...[Details]
Mobile phones, MP3s, tablet computers, laptops, digital cameras, handheld game consoles, navigation devices, etc., all these mobile devices are powered by mobile batteries, and the battery life is ...[Details]
1 Introduction
Fieldbus is a serial, digital, multi-point communication data bus between field equipment/instruments installed in the production process area and automatic control devices/syst...[Details]
Today, fleet management innovation has made great progress. Whether trucks, buses, taxis or other means of transportation, wireless satellite positioning systems are used to enable dispatchers to u...[Details]
"Multimeter" is the abbreviation of multimeter, which is an indispensable tool in our electronic production. The advantages of multimeter are that it has many uses, a wide range, an...[Details]
Automotive electronics are in a noisy environment
,
so automotive electronics must have excellent electromagnetic compatibility (EMC) performance. The most important part of automotive elec...[Details]
1 Introduction
The function of the material transport vehicle is to lift the mixed finished materials into the finished material storage bin. In the early mixing equipment, the material transpo...[Details]
System Block Diagram
The system uses DSP56F826 chip as the core control module and CMOS digital image sensor chip. The image acquisition resolution can reach 640×480 pixels. When high-re...[Details]
Analog electronics
京公网安备 11010802033920号
EEWORLD
