OsmocomBB

= Signals between RF board and DSP board =

This page lists all the signals that are to be connected between RF board and DSP board.

== Power supply signals ==

TBD

== Clock signals ==

{{{

C12     CLK32K_OUT              O       TWL3025:CLK32K  (32kHz clock input)                     M

F12     CLK13M_OUT_START_BIT    O       TWL3025:CLK13M  (master clock input)                    M

A12     TCXOEN                  O       TRF6151:XSEL,XEN (enable 26MHz oscillator)              M

E13     CLKTCXO                 I       TRF6151C:RFCLK (TCXO clock output)                      M

}}}

== BSP (Baseband Serial Port) ==

{{{

L11     BFSR                    I       TWL3025:BFSX (bb-serial tx frame sync)                  M

K10     BDR                     I       TWL3025:BDX (bb-serial tx data)                         M

P12     BFSX                    O       TWL3025:BFSR (bb-serial rx frame sync)                  M

M11     BDX                     O       TWL3025:BDR (bb-serial rx data)                         M

}}}

== USP (Microcontroller Serial Port) ==

{{{

N7      MCUDI                   I       TWL3025:UDX (spi output)                                M

M7      MCUDO                   O       TWL3025:UDR (spi input)                                 M

M8      MCUEN0                  O       TWL3025:UEN (spi enable)                                M

}}}

== TSP (TPU Serial Port) ==

{{{

I14     TSPCLKX                 O       TRF6151:CLK (serial clock)                              M

H11     TSPDO                   O       TWL3025:TDR,TRF6151:DATA (serial data)                  M

H13     TSPEN0                  O       TWL3025:TEN (TSP enable)                                M

H14     TSPEN2                  O       TRF6151:STROBE (serial strobe)                          M

M12     TSPACT0                 O       TRF6151:RESETz (serial interface reset)                 M

M14     TSPACT1                 O       ASM4532:VC2                                             M

L12     TSPACT2                 O       ASM4532:VC1                                             M

L13     TSPACT3                 O       RF3166:BAND_SELECT                                      M

I10     TSPACT4-nRDYMEM         O       ASM4532:VC3                                             M

I11     TSPACT9-MAS1                    RF3166:TX_ENABLE (PA TX)                                M

}}}