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Selected an answer for
direct RX mode, read rssi with preamble detect
Hi Nurullah, Latching RSSI on preamble detect only makes sense in packet mode operation. Don’t use them in direct mode applications. Or are you using FIFO Direct Mode? (It is described in section 4.2.2.2 of https://www.silabs.com/documents/public/data-sheets/Si4463-61-60-C.pdf ) Then see the introduction section of https://www.silabs.com/community/wireless/proprietary/knowledge-base.entry.html/2014/08/08/rssi_accuarcy_onsi4-qmkw Regards, Tamás |
3 days ago |
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Selected an answer for
868 MHz bandwidth allocation problem
I see that he PHY 868 2GFSK 38.4 Kbps 20 kHz has an OBW (99.9%) of 89 kHZ. This is more strict than the ETSI definition (99%). Checked on a dev board BRD4163A. So from our side the PHY is good as the carson's rule (99% OBW) says 2x dev + DR = 79 kHz. |
3 days ago |
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Replied
to
IRCAL SI446x
The only overlapping range is 235-239 MHz for Si4464. If you check in WDS a single frequency in the middle e.g. 237 MHz, you can see that OUTDIV16 is used in this range. All the other bands are defined explicitly in the OUTDIV table referenced previously. Yes, including the POR values is the safe solution. Tamás |
4 days ago |
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Selected an answer for si-4463 Show more |
5 days ago |
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Replied to si-4463 Show more |
5 days ago |
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Replied
to
IRCAL SI446x
Andrew, You have to re-run ircal at the frequency where you (WDS) switches to a different outdiv. What you write about the sections of the config data array is true, but note that the initial state of the properties are the POR default values. So if you want to reconfigure the radio later for a different band without POR, first you have to take into account that the initial state is not the POR state anymore. You can set in WDS if the POR default values should be part of the generated config or not. An example of possible optimization is, that if you are using the same CRC config in each band, you don't have to rewrite it when switching bands without POR. Tamás
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5 days ago |
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Selected an answer for
ACK RAIL_EVENT_RX_ACK_TIMEOUT configuration
Hi Hamza, |
6 days ago |
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Selected an answer for
are there any pdf docs(especially api rm) about CONNECT?
Hi,
The API documentation available in HTML form only.
BR,
/sza2
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6 days ago |
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Replied
to
Use si4432 and si4463 together
Hi Saeid, The Si4432 compatible whitening settings of the Si4463 are Polynom: PN9: PKT_WHT_POLY = 0x0108 Seed: 0x010F Output: 0x07 In Si4463 there is no dedicated header. To handle portions of the packet differently, you can define fields. See https://www.silabs.com/documents/public/application-notes/AN626.pdf for details. Regards, Tamás |
6 days ago |
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Replied
to
SI4463 IRQ PIN is low after CTS command
Hi, I suppose this issue is permanent and not intermittent. Are you aware that replay stream of most API commands can be read via a separate command called READ_CMD_BUFF? See also timing requirements at https://www.silabs.com/community/wireless/proprietary/knowledge-base.entry.html/2017/04/06/si4x6x-c2a_si4x55-c-8Lg0 and startup sequence on page 25. of https://www.silabs.com/documents/public/application-notes/AN633.pdf Make sure also that your crystal works properly. It is recommended to test your startup code on a known good eval board first,to be shure the issue is SW related. Regards, Tamás |
7 days ago |