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Cattron 90275TRX, Руководство пользователя

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Cattron 90275TRX Скачать руководство пользователя страница 13

IR LRM2 Radio Module  

 

Functional Description  

Document p/n: 9S02-9027-A001 Rev.A 
 

-

 

RSSI: Received signal strength for this frame. RSSI is an 8 bits integer value, expressed in dBm.  Range;-128 to 
+127 dBm. 

 

Length

1 byte

Telegram

“Length” bytes

RSSI

SOF

1 byte

1 byte

 

Figure 4.4 - Receive Telegram frame format 

 

Содержание 90275TRX

Страница 1: ...rty of Cattron North America Inc it is not to be reproduced nor is it or any portion of it to be used by or disclosed to any other individual or legal entity without the prior written approval of Cattron North America Inc Furthermore the information contained within this correspondence is also to be handled in accordance with any and all confidentiality agreements between Cattron North America Inc...

Страница 2: ...n Document p n 9S02 9027 A001 Rev A Revision History Date Revision Description Signature Date 2020 03 10 A Initial draft Prepared H Lin Verified Approved Prepared Verified Approved Prepared Verified Approved Prepared Verified Approved ...

Страница 3: ...MMARY 2 1 3 HOST INTERFACE DEFINITION 3 2 3 1 PINS ASSIGNMENT 3 2 3 2 SIGNALS DESCRIPTION 3 3 4 FUNCTIONAL DESCRIPTION 4 5 4 1 CONCEPTS OVERVIEW 4 5 4 1 1 Block Diagram Error Bookmark not defined 4 1 2 Data Communication Model Definitions 4 5 4 2 TELEGRAM TRANSMISSION 4 6 4 3 TELEGRAM RECEPTION 4 6 5 IR LRM2 CONFIGURATION CONCEPT 5 8 5 1 CONSOLE INTERFACE 5 8 5 1 1 Write command 5 8 5 1 2 Read com...

Страница 4: ...ment NOTICE OEM s must verify the final product complies with unintentional radiators FCC Section 15 107 and 15 109 before providing a declaration of conformity for their final product to Part 15 of the FCC Rules NOTICE The 90275TRX modules have been certified for mobile and fixed radio applications If the module will be used for portable applications the device must undergo SAR testing RF Exposur...

Страница 5: ...erference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is c...

Страница 6: ...finitions timings operation mode available functionalities and provide details about its integration to Unity products This document does not cover RF specifications or power supply specifications 1 3 Applicability Applies to IR LRM2 family members P N 2PCA 9027 xxxx 1 4 Definitions Acronyms 1 4 1 Definitions 1 4 2 Acronyms IR LRM2 Radio Module MCU Machine Control Unit SoC System On Chip OCU Opera...

Страница 7: ...led by an on board Silicon Labs EFR32FG13 SoC The EFR32FG13 Flex Gecko SoC includes both a high performance radio transceiver and a high performance low power Micro Controller Minimum buffers Minimum Delay IR LRM2 firmware is implemented to provide a almost transparent operation transmission and reception delays are kept to a minimum Support for different Modulation modes The IR LRM2 family is des...

Страница 8: ...I2C0 SDA RF 10 RFIO 3 M 11 I2C0 SCL RF 12 TDO RF 13 GND 14 MASTER DATA US0 RX M 15 RFIO 1 M 16 TMS SWDIO RF 17 BOOT EN RFIO 0 M 18 TCK SWDCLK RF 19 GND 20 MASTER CTRL US1 TX M J5 Pin number Signal name Pin number Signal name 1 GND 2 GND 3 nRESET M 4 3 3V 5 nRESET S 6 3 3V 7 BOOT EN RFIO 0 S 8 GND 9 SLAVE DATA US0 RX S 10 REV_AN 11 SLAVE CTRL US1 RX S 12 RFIO 1 S 13 SLAVE DATA US0 TX S 14 ANT_SEL 1...

Страница 9: ...tial RF input negative path GND Radio Ground GND Power Amplifier PA voltage regulator VSS GND 2 4 GHz Differential RF input output negative path 2G4RF_IOP 2 4 GHz Differential RF input output positive path PAVDD Power Amplifier PA voltage regulator VDD input nRESET M nRESET_M Reset output for Master controller nRESET S nRESET_S Reset output for Slave controller BOOT EN RFIO 0 S RFIO 0_Slave SLAVE ...

Страница 10: ... 3V 3 3V Supply GND with decoupling cap Decouple output for on chip voltage regulator 3 3V 3 3V Supply BOOT EN RFIO 0 M RFIO 1 M RFIO 1_Master I2C0 SCL RF I2C0_SCL I2C0 SDA RF I2C0_SDA MASTER CTRL US1 RX M UART_TX for Master control signals MASTER CTRL US1 TX M UART_RX for Master control signals Table 3 2 Host Interface signals description ...

Страница 11: ...RF interface The EFR32FG13 SoC has sufficient buffer space for one telegram As shown later telegram processing is defined to minimize delays so to provide a transparent like behavior Sub GHz will support different frequency bands to support different regions supported frequency bands are mentioned below Propriety Sub GHz protocol 433MHz 460MHz 868MHz 915MHz 4 1 2 Data Communication Model Definitio...

Страница 12: ... Telegram Transmission Transmit frames have two fields Telegram length number of bytes The length is used by the CPU to control the transmission process Telegram maximum 254 bytes The content of the telegram is defined by the application For Unity application this is the Unity Telegram beginning with the Scrambling byte the TID and terminated with the 16bits CRC as defined in ref 2 Length 1 byte T...

Страница 13: ...ocument p n 9S02 9027 A001 Rev A RSSI Received signal strength for this frame RSSI is an 8 bits integer value expressed in dBm Range 128 to 127 dBm Length 1 byte Telegram Length bytes RSSI SOF 1 byte 1 byte Figure 4 4 Receive Telegram frame format ...

Страница 14: ... the unit can be controlled from a PC or by an operator tester using a terminal emulation program 5 1 1 Write command wrCmd register value where wrCmd write command w or wr can be used and are equivalent register register identification Can use the register name or register address value value to be written in decimal or hexadecimal format Hexadecimal values are preceded by 0x 5 1 2 Read command r...

Страница 15: ...ction for stand alone operation The IR LRM2 will support several built in test modes to ease testing from a PC For example a Sub GHz Transmission Tests Generation of different type of carrier unmodulated CW or modulated with 101010 or pseudo random sequence Automatic generation of test RF frames with predefined content b Sub GHz Reception Tests Measure PER packet error rate when receiving the pred...

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