2010年11月16日 · Additionally: the 74LS164 doesn't have a 'latch' function. The IC is a shift register so it does effectively have a latch function, any data in the SR is stored until the power …

2009年5月29日 · movlw 8 ;output 8 bits movwf shift_count ;store in counter Shift1 bsf PORTC,1 ;74LS164 data pin set to high btfss 11h,0 ;is bit 0 clear bcf PORTC,1 ;yes so clear data bit call …

2004年4月6日 · Hi, my friends. I found the IC 74LS164 can be used for serial to parallel shift. I want to use this IC connect to PC's serial port (RS232/DB9) and control 8 LED on or off. I want …

2009年5月29日 · To use a 74ls164 you shift data and clock it in the clear pin high if the clear pin is low it will not clock in.

2010年1月1日 · What I've been doing so far.... Hi there, Well, what I've been doing up till now is to connect the byte in question- generated by DIP switch inputs connected to a shift register …

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2009年7月8日 · list p=16f684 ; list directive to define processor #include <P16F684.inc> ; processor specific variable definitions __CONFIG _CP_OFF & _CPD_OFF & _BOD_OFF & …

2009年6月5日 · Here you can use this if you want to see how it works better LIST p=16F877a ;tell assembler what chip we are using include "P16f877a.inc" ;include the defaults for the chip …

2008年11月20日 · Hello all, I'm looking to use a 16segment led display on one of my projects.Unfortunatley, I do not find any information on microchip website or any sample code …

2007年10月15日 · Use two 74LS164's ( 8 bit serial in and parallel out) for the reciever and two 74LS165's ( 8 bit parallel in and serial out) for the transmiter. They are pretty straight forward …