General Description ............................................................................................................................................... 10
Pin and Marking Diagram ..............................................................................................................................11
Absolute Maximum Ratings ........................................................................................................................... 13
2.4.1. Power Consumption .................................................................................................................................. 14
2.4.2. Frequency Synthesis................................................................................................................................. 14
2.4.5. Digital Specification ...................................................................................................................................17
Power Supply Strategy .................................................................................................................................. 18
Frequency Synthesis ..................................................................................................................................... 18
3.3.4. Lock Time ..................................................................................................................................................20
3.4.4. OOK Modulation........................................................................................................................................ 23
3.4.6. Power Amplifiers ....................................................................................................................................... 23
3.4.7. Over Current Protection ............................................................................................................................ 24
3.5.2. LNA - Single to Differential Buffer ............................................................................................................. 25
3.5.3. Automatic Gain Control ............................................................................................................................. 26
3.5.7. DC Cancellation ........................................................................................................................................ 29
Rev. 7 - June 2013
Page 2
www.semtech.com
SX1231
WIRELESS & SENSING PRODUCTS
Table of contents
DATASHEET
Section
Page
3.5.8. Complex Filter - OOK ................................................................................................................................ 29
3.5.12. OOK Demodulator................................................................................................................................... 31
3.5.13. Bit Synchronizer ...................................................................................................................................... 33
3.5.14. Frequency Error Indicator........................................................................................................................ 33
3.5.15. Automatic Frequency Correction............................................................................................................. 34
3.5.16. Optimized Setup for Low Modulation Index Systems.............................................................................. 35
3.5.17. Temperature Sensor ...............................................................................................................................36
Automatic Sequencer and Wake-Up Times................................................................................................... 37
4.2.1. Transmitter Startup Time ...........................................................................................................................38
4.3.3. End of Cycle Actions ................................................................................................................................. 42
Data Processing .................................................................................................................................................... 45
5.1.2. Data Operation Modes .............................................................................................................................. 45
5.2.
Control Block Description............................................................................................................................... 46
5.2.3. Sync Word Recognition............................................................................................................................. 48
5.4.1. General Description................................................................................................................................... 51
5.5.1. General Description................................................................................................................................... 52
5.5.2. Packet Format ........................................................................................................................................... 53
5.5.8. DC-Free Data Mechanisms....................................................................................................................... 60
6.
Configuration and Status Registers ....................................................................................................................... 62
6.1.
6.2.
6.3.
6.4.
6.5.
6.6.
6.7.
6.8.
7.
7.1.
7.2.
General Description ....................................................................................................................................... 62
Common Configuration Registers ..................................................................................................................65
Temperature Sensor Registers...................................................................................................................... 76
Test Registers................................................................................................................................................ 76
Reset of the Chip ........................................................................................................................................... 77
Application Information .......................................................................................................................................... 77
Packaging Information ........................................................................................................................................... 81
AFC Control ................................................................................................................................................... 86
When I compile a project with CCS4.2, the final result is gmake: *** CreatePipe() failed (e=161). stop. After testing, I found that there is no problem if I delete a .c source file. If I add it back, ...
When using the RAM IP core for read and write operations, an array is used to store the values written into the RAM. The following is the code, but it fails to compile and an Error (10476): VHDL error...
I want to be able to input any number using the keys according to the position of the cursor, and the position of the cursor can change. How should I write this control statement?...
Could anyone please upload the circuit diagram of the microcontroller controlling the water inlet and outlet of the solenoid valve for me to refer to? Thank you!!...
How to read the system time in the microcontroller, such as the system hours, minutes and seconds
For example, it is 15:37 pm Beijing time now. How can I read this data?
Thanks...
A biped robot joint constructed by pneumatic artificial muscles is introduced. The joint uses the flexible characteristics of pneumatic artificial muscles to effectively control the impact of the land...
The TIA Portal software's shift instructions shift the contents of an accumulator bit by bit to the left or right. The number of bits shifted is determined by N. A left shift of N bits multiplies t...[Details]
Abstract:
With the increasing complexity of smart vehicle electrical and electronic architectures, the full lifecycle management of vehicle electronic control components faces multiple challe...[Details]
ISP devices, such as field programmable devices (FPGAs and CPLDs), do not require a programmer. Using programming kits provided by the device manufacturer, they employ a top-down modular design app...[Details]
What is "Car Electronic Fence"
Fleet managers can define a graphical area (regular or irregular) or divide it into administrative zones in Yamei Technology's vehicle backend management system ...[Details]
Ever since the Tesla fire incident, electric cars, already known for their poor reputation, have been subjected to even more scathing criticism. Despite this, many people are still willing to buy t...[Details]
In mobile technology, sensors are the primary input for measured signals and form a component of a sensor system. They include sensitive and transducer elements connected to carriers and circuits. ...[Details]
On August 25th, Apple's expansion in India encountered new troubles. According to Bloomberg, Foxconn Technology Group has recalled approximately 300 Chinese engineers from India, further hindering ...[Details]
Based on a survey of more than ten intelligent robot companies, this article sorts out and analyzes the current development status of the intelligent industry and the challenges and differences it ...[Details]
Common Mode Semiconductor has officially released its latest generation of power management ICs—the GM6506 series. This fully integrated high-frequency synchronous rectification step-down p...[Details]
Recently, Tesla released the "Tesla Car Voice Assistant Terms of Use", announcing that the car voice assistant will be connected to the Doubao large model (Skylark large model) and DeepSeek Chat pr...[Details]
In June 2014, the Ministry of Industry and Information Technology issued 4G FD-LTE licenses to China Unicom and China Telecom. Together with the 4G TD-LTE licenses issued to China Mobile, China Uni...[Details]
With the rapid development of electric vehicles in my country, people are beginning to pay attention to the issue of radiation from electric vehicles. We all know that mobile phones emit radiation,...[Details]
Spark plugs are an indispensable device for engines. As the saying goes, without spark plugs, the engine cannot work properly. The serious consequence is that when driving at high speeds, the engin...[Details]
Linear motor modules have become the "sweet spot" in various fields due to their advantages such as long stroke, fast speed, high precision, smooth operation and long life. Different models of line...[Details]
A tubular motor is an electric motor that is typically used to control the movement of machines and equipment. Tubular motors are generally divided into two categories: linear tubular motors and ro...[Details]
DSP and ARM Processors
京公网安备 11010802033920号
EEWORLD
