Questions tagged [microchip]
Microchip Technology is an IC manufacturer, best known for its extensive range of PIC microcontrollers, but also memory and analog function ICs. The term "microchip" is a legacy term for integrated circuits, not just ones designed by Microchip Technologies. The company came into existence and took the name after the term became common parlance.
842 questions
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How are the circled blocks connected on this Geiger-Muller counter?
How are the hanging blocks of this device connected, and what function do they perform?
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1 vote
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What is the designation near the u11 chip (marked in gray)
This diagram is from The Wearable Electronic Customizable Device for Monitoring Activity Indicators. Volume 6, Issue 5 . The system consists of a number of discrete off the shelf modules, which ...
4 votes
1 answer
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How to read a temperature diode on the PIC24FV32KA301
I am unsuccessfully trying to read the temperature diode on a PIC24FV32KA301 using the temperature sensing diode as described in section 8 of this document. The data sheet provides a temperature vs ...
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Do the PIC32CX 64- and 80-pin packages support Ethernet?
The PIC32CX datasheet initially claims that the 64- and 80-pin packages support Ethernet: Ethernet is not merely supported, but is also apparently perfect: the PIC32X errata sheet is 30 pages long ...
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UBlox NINA-W102 review
I'm trying to make a minimal working example with UBLOX NINA W102 chip. I will use internal WiFi antenna. I just need ability to properly boot it, (re)flash it as neccessary and to reset it and maybe ...
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4 votes
1 answer
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MCP73871 Low Output Voltage When Using Battery
I designed a board based on the MCP73871 (datasheet) that seems to not output a proper voltage when the only source is the battery. Here is the schematic. Note that, during the described testing, I ...
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1 vote
3 answers
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What are these MCU, e.g., REDXW5000?
I have been working on designing an arc lighter. So, I ordered a few different arc lighters on Amazon, Aliexpress, and Temu for reverse engineering purposes. I have build a few prototypes using ...
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Changing I2C address with STM32 microcontroller for ATECC608B chip
I have been trying to communicate via I2C with the ATECC608B-SSHDA-T chip, which can be found along with its data sheet here. Everything seems to be working for the most part, but I have been unable ...
6 votes
2 answers
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EEPROM wear leveling algorithm
Part number: 24FC256 I am using an EEPROM to store some configurations for the MCU logic that must be retained if a power down condition occurs. Also, I store events into the EEPROM so that I don't ...
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2 votes
2 answers
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USB2514B USB high-speed mode issue
I'm using a USB2514-B as a 4-port hub connected to a Raspberry PI CM4, and I can't figure out why the USB devices connected to it only work in full-speed mode. If I connect a USB device in high-speed ...
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1 vote
2 answers
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Is the VQFN footpint really correct?
I want to use the PIC16F18144 in the VQFN 20 pin version (PIC16F18144-I/6N). I have taken the footprint from the datasheet (page 651) and downloaded the CAD model (Microchip -> Ultra Librarian). ...
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Microchip AR1100 4wire Touch controller via UART Register Not Writing
My Company tasked me with working with a big chinese Display manufactuer to make certain kind of LCD for our systems that has touch. (Casino Industry). I finaly got our test LCDs and they have a 4wire ...
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2 votes
1 answer
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Digital filter via embedded C programming
Here is a snippet of code from /src/motorBLDC_6step.c in the Microchip appnote "AN1175 - bldc1619 Source Code - Sensorless Brushless DC Motor Control with ...
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1 answer
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Can I use ST-Link V2 in conjunction with MPLABXIDE to program Microchip dsPIC33FJ and related?
Is it possible to dump core of Microchip MCU using ST-Link? Are there any workarounds to make it possible to program these chips using ST Link V2?
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5 votes
5 answers
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How does the control unit (CU) actually work?
Regarding the microcontroller. ALU - The Arithmetic Logic Unit performs all calculations involving registers and/or logic for decision making. It is connected to and controlled by the CPU in a ...
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