srinivas prasad

interfacing mc9s12xdp512 with GSM chipset

Discussion created by srinivas prasad on Oct 3, 2007
Latest reply on Oct 5, 2007 by Jim Donelson
GSM CHIPSET operates at 3.8v and have open drain pins.Please give information whether we have to use level shifter for interfacing mc9s12xdp512 with GSM chipset? or Pull up resistors are enough?

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