Microchip Technology is an IC manufacturer, best known for its extensive range of PIC microcontrollers, but also memory and analog function ICs.
7
votes
3answers
579 views
Entropy Source on Microchip PIC24F
I am working to develop an Android accessory hardware. Currently, I am trying to generate an random number (C language) on a embedded system, but the value doesn't change. I am wondering if there is ...
4
votes
1answer
379 views
I'm buying my first PIC, what kit do I need?
So I'm probably going to buy a dsPIC33F to build a synth with.
I've used Atmel micros in the past, but this will be my first PIC chip, I wanted to know if there's anything in particular I need or ...
3
votes
2answers
594 views
What open source virtual serial port code exist which can run on a Microchip IC?
Microchip have a free but non-distributable USB stack source code available.
However, what open source virtual serial port code exist? And which one should I invest my time in using?
0
votes
2answers
531 views
pic 18F4550: local variable problem:
I'm using the pic18F4550 with microchip v8.63 and with the C 18 compiler. I'm using a LDR that retrieve the value of the led (not on my picdem board) (red, green and blue) these values are stored in a ...
9
votes
2answers
2k views
What is the meaning of Microchip's acronym TRIS for data direction registers?
When reading/writing/talking about electronics, I like to understand the acronyms and mneumonics for abbreviations used for registers, functions, filenames, pin names, etc. Usually, the first time ...
1
vote
1answer
2k views
Problem with PIC24F UART
The problem I am having is with my PIC24FJ64GA002 and the UART module(s). The 24F I have is in a SPDIP28 package and it is a new B5 chip (just one under the latest B8 revision) from Microchip Direct. ...
0
votes
2answers
400 views
Microchip PIC18 matrix routines
I'm using a Microchip PIC18 and I need to use matrices in my code. I know DSPIC do have matrix libraries, that simplifies the implementation.
Does anybody know whether any is available also for the 18 ...
4
votes
4answers
1k views
What causes turning ON an single output pin on a Microchip PIC16F690 to spontaneously turn OFF another pin on the same port?
What causes turning ON an single output pin on a Microchip PIC16F690 to spontaneously turn OFF another pin on the same port? I can work around this problem by writing a byte to the entire port, ...
3
votes
3answers
4k views
How do I modulate PWM frequency in realtime with a Microchip dsPIC?
I'm trying to change the PWM output frequency roughly once a millisecond using a dsPIC33FJ256GP710, and I'm having mixed results. I first tried this:
...
3
votes
2answers
296 views
Communicating with the Pic 16F913
I asked this question over at stack overflow but found this in a few of the comments on some of the microchip questions,
http://stackoverflow.com/questions/3276297/communicating-with-the-pic-16f913
...
6
votes
3answers
3k views
Wiznet W5100 vs. Microchip ENCx24J600
What are pros and cons using Wiznet W5100 or Microchip EncX24J600?
It's a bit complicated to explain.
My question is about the performance of Microchip TCP stack vs Wiznet TCP/IP core on the chip. ...
36
votes
6answers
8k views
What is the difference between a DSP and a standard microcontroller?
I understand that a DSP is optimized for digital signal processing, but I'm not sure how that impacts to the task of choosing an IC. Almost everything I do with a microcontroller involves the ...
2
votes
2answers
415 views
USB-to-UART bridge: protocol mapping?
I was wondering how does the protocol mapping work between the USB side and the UART side when dealing with the Microchip MCP2200?
What sort of USB transfer type is used?
bulk?
isochronous?
...
