matrix keypad multiplex with lcd

Hi, can anyone help me about using keil c (8052) to use P1_0 to P1_3 as row of matrix keypad pin and also 4 data pins od 16x2 lcd (i.e. P1_0 to P1_3 multiplex with matrix keypad and lcd !). using matrix...
matrix keypad multiplex with lcd

Hi, can anyone help me about using keil c (8052) to use P1_0 to P1_3 as row of matrix keypad pin and also 4 data pins od 16x2 lcd (i.e. P1_0 to P1_3 multiplex with matrix keypad and lcd !). using matrix...
signal multiplexing problem with A/D converter

Hi, I am using 8-channel 4051 multiplexer ,the o/p of this is connected to CS5532 (24 bit sigma delta A/D converter). when only a single channel is selected and converted by the adc it works properly...
signal multiplexing problem with A/D converter

Hi, I am using 8-channel 4051 multiplexer ,the o/p of this is connected to CS5532 (24 bit sigma delta A/D converter). when only a single channel is selected and converted by the adc it works properly...
Help.............Unable to access GPIO (which multiplexed with I2C)

Hi, I am using LPC1114. In this, Port0.4 & Port0.5 are multiplexed gpio & i2c pins. These pins are not acting well,even though I configured them as GPIO pins only... Please help me out...