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AD5696R multiple write

Hello. Could AD5696R work in multiple write mode like AD5667 ?

Our customer connect  AD5667  to slave address and send some blocks  (each 24bit - command+data) and then STOP.

SLAVE ADDRESS - (comand+data)-(comand+data)-(comand+data)-........(comand+data)-STOP.

They complaint that in  AD5696R they must write data to each DAC with START-STOP condition.

Wish to send multiple data in one START-STOP condition with little delays.

Any advices , repeated start, ldac mode ?

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  • Hi,

    You cannot write to the DAC registers sequentially on this device...

    You can generate a repeat Start condition (rather than STOP + START) so master wont loose the control of the bus.

    If customer wants to update all the channels simultaneously, the input register can be updated and a software or hardware LDAC pulse can be generated.

    Regards,

    Miguel

Reply
  • Hi,

    You cannot write to the DAC registers sequentially on this device...

    You can generate a repeat Start condition (rather than STOP + START) so master wont loose the control of the bus.

    If customer wants to update all the channels simultaneously, the input register can be updated and a software or hardware LDAC pulse can be generated.

    Regards,

    Miguel

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