now days i am interfacing ad7792 to mc9s12P128 freescale micro controller.
here m faced lot of problems..
such as adc cant't work on larger clock pulse(greater than 1M/s)
my spi configuration is proper ways all requirements satisfies.
such as clock setting n slave selection.
basically i got three problems
when i configure 64khz clock at pin 2(clock), and both currents source on (IOUT1 and IOUT2). are not working.
MISO/RDY pin not getting low.(if go low then no data available on MISO.)
my configuration as:
communication register = 0x08
mode regi =0x0049 ;continuous conversion mode, clock available on clock pin, and adc clock 16.7hz,Tsettle=120ms.
communication register = 0x10
config. regi=0x1080 ;unipolar, internal ref. and AIN+/-
communication register = 0x28
i hv seen all signals on DSO, which as correct as stated in datasheets., all going properly.....
Please help me.