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Engineering Change Notice for SV series of rf module & rf modem by NiceRF

By sdga:NiceRF Wireless Technology Co., Ltd

There are 5 products of SV series rf module & rf modem that our company has carried out revision and upgrade, namely SV611, SV651, SV652, SV6202, SV6500.

Uart rf module SV611, SV651 and rf modem SV652, SV6202, SV6500.

Engineering Change Notice for SV series of rf module & rf modem

The change in this revision is to add a hardware self-reset circuit and use CS PIN for control. Although all our components are industrial grade and have strong anti-interference ability, in some specific application scenarios, the super strong magnetic or strong electric interference signal of external equipment may switch the MCU or RF chip or antenna switch  "Beat to death". Adding this circuit can ensure that the module can come alive in any scene and ensure the stable operation of the system.

CS PIN is used internally by the module by default as a control for self-reset. For some occasions where the interference signal is not so serious, customers can still use CS PIN as sleep control. If you want to use the hibernation of CS, please contact our sales engineer.

The specific description is as follows:

Pin No.DefinitionDescription
1VCCConnected to the positive power supply (typical 5V)
2GNDConnected to ground
3TXDTXD of the module and connect to external RXD
4RXDRXD of the module and connect to external TXD
5SETConfiguration mode enable (low to enter into the setting mode, leave open or connect high level to exit setting mode) Valid when CS Pin is high or leave open.
6CS/NCFor the default version of the module, this pin needs to be left floating (the module has a built-in anti-crash self-reset circuit) Note: Customers can customize the sleep version of the program (without self-reset function), low level sleep, current lower than 5uA, default high level output.

 

Customers who are interested in our SV rf module & rf modem can browse our official website https://www.nicerf.com or contact us (sales@nicerf.com).

Contact Us

 +86-755-23080616

 sales@nicerf.com

Website: https://www.nicerf.com/

Address: 309-314, 3/F, Bldg A, Hongdu business building, Zone 43, Baoan Dist, Shenzhen, China

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Email:sales@nicerf.com

Tel:+86-755-23080616

Address:309-314, 3/F, Bldg A, Hongdu business building, Zone 43, Baoan Dist, Shenzhen, China


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