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If we make no assumptions about when this clock signal occurs during the valid portion meaning the hold time may be zero then we just have the clock time to read the data. Feb 12, If you have the PIC16F or I don’t know which other processors, you have a “parallel slave port” available. Maybe this can solve 74hdt688 timing issue Wileyfox delivers an SD card, a big battery, security and a bit more.
Nov 9, 2. Nov 9, 7. Nov 10, Be careful crossing code page boundaries.
How-to on PIC equivalent for equality comparator 74HCT688
Apr 24, 7, 1, You May Also Like: May 11, 5, 1, Yes, subtraction is the way to go. Equality Comparator question Posted by onlylonely in forum: A separate active low output for each character? Jun 6, 3, 5, When the strobe appears, copy this port to another file register take a “snapshot”.
Quote ddatasheet the day. How to convert c code to hex code for pic? Use 74bct688 ‘computed goto’ with destinations 1 for each of the possible 7-bit values.
74HCT Datasheet, PDF – Alldatasheet
Feb 14, The default is 4MHz. Nov 9, 5. If so, what duration for the output? Thus we have at least 20 instructions in this 20 uS slice of time. If available, use the TBLRD instruction to read the converted value from within a byte long table. As for testing the incoming data, why do it bit by bit? Where and how to simulate an equivalent circuit for Posted by selvac19 in forum: In this case data is assumed to come in on PortD, and PortB.
Nov 9, 8. Embedded Systems and Microcontrollers. Electrical Engineers and Chocolatiers Have Created Something Delicious Engineers are applying a technique used in crude oil processing to create low-fat chocolate that actually tastes delicious.
An Introduction to Programmable Logic Learn about a hardware-based approach to performing calculations, routing digital signals, and controlling embedded systems using programmable logic and FPGAs. Yes, my password is: No, create an account now.
Oct 14, 1, Then take as long as you like to decode. Nov 9, 4. What is unstated in the problem is the data rate, which determines how long we have to process each incoming data chunk. I don’t know why anyone would want to do something so simple in such a time-consuming way. Nov 9, 6. Something to duplicate the function of 74HCT equality comparator. You did not say which PIC you are using?
Nov 8, 1. Now for my question, is there a faster way to implement this routine? Nov 9, 3. Thanks for the replies guys. Your name or email address: