Re: [bluetooth] to close RF interface

["Ling Su" <lingsu@palmmicro.com>]

Except that, how do you handle some specific signals like Synt_on, PHD_off,
which are all RF chip related signal? Synt_on, turn on the Synthesizer and
should be enable before RF Tx/Rx enabled for a certian of time.

Regards,
-Ling


----- Original Message -----
From: "Jamil Khatib" <jamilkhatib75@yahoo.com>
To: <bluetooth@opencores.org>
Sent: Friday, June 22, 2001 1:52 PM
Subject: [bluetooth] to close RF interface


> Hi,
> I studied the following RF devices
> - Ericsson
> - Micro Devices
> - SiliconWave
>
> I suggest to have the following signals on our RF
> interface ( that can be bridged to any other RF
> interface)
>
> == Clock
> SysClk : Out : System clock ( I suggest to be between
> 15-20MHz to accomodate any possible delay cause by
> bridge state machines)
>
> Any extra clocks needed by RF should be handled by the
> RF bridge
>
> == Register group
> - Dout(8) : Out: 8 bit bus to write to RF register
> - Din(8)  : In : 8 bit bus to read from RF register
> - Wr      : Out: write signal
> - re      : Out: read signal
> - ReAck   : In : Read acknowledge
> - WrAck   : Out: Write acknowledge
>
> (we need different buses for read and write because
> JTAG interace can read and write at the same time)
>
> == Data transfer
> -- TxEn  : Out : Tx Enable
> -- TxRdy : in  : Tx Ready (RF got the data bit from
> TxData)
> -- Txdata: Out : Tx Data Bit
> -- RxEn  : Out : Rx Enable
> -- RxRdy : in  : Rx Ready (RF set the data bit to
> RxData)
> -- Rxdata: Out : Rx Data Bit
>
> == Hop selection
> -- Hop(7) : Out : 7 bit hop bus
> -- SetHop : Out : Load hop value to RF
>
> As I noticed from those chips that the hop bus is the
> only register that should be controlled by the
> Baseband only other registers can be controlled by
> software.
>
> Please comment on my proposal in order to close the RF
> interface and work on hte other interfaces
>
> Regards
> Jamil Khatib
>
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