EQCO62T20/ EQCO62R20 recommended tranceiver settings (haraldschweitzer_datacon)
do you have any recommended settings for the FPGA gigabit transceivers used with the EQCO62T20/ EQCO62R20 cable drivers?We use-the LF channel with 20mbps-power over coax with 12V-6,25gbps- Artix...
View ArticleMCP2200 Communications Port numbers (Questor13)
We have been using the MCP2200 with great success on many fixtures and on a low volume production device. It is much easier to use than the competition and is easy to install.The only issue that has...
View ArticleProblems with reading current from MCP39F511 (Power Meter) (hamsterhunter)
Hello, I'm having difficulties reading the correct current from the MCP39F511. My design is very similar to the Power Monitor Demonstration Board (same components but different layout). I'm switching a...
View ArticleIs there any possibility for fixing Vref in ADC by software (SAMO6)
Please Help, I am interfacing LM35 with PIC18F4550.How can I display result of ADC on LCD 16x2, I have left shifted the result in ADC(ADFM=0) and just sent value stored in ADRESH to lcd after doing...
View ArticleClarification on using MCP39F521 for 3 Phase energy metering (Sunish)
There is a difference in the MCP39F521 datasheet and demonstration board schematic regarding the connection of phase and neutral lines. The digital ground pin and shunt resistor is connected to phase,...
View ArticleMCP2221A is not recognized under Windows 7 SP1 (SebKister)
The device I am working on is using an MCP2221A to establish communication with PC using the USB COM port. Tested under windows 10, all ok. When I connect it to a laptop running windows 7 SP1 the USB...
View ArticleUSB2240 uSD card connections (mudassir@isportsanalysis.com)
Hello everybody, This is my first post in Microchip, Recently I purchased USB2240 Development kit from Element14.com for developing. I am unable to understand how to connect uSD card to the board, I...
View ArticleMCP25625 - *some* part doesn't user rx buffer 0 (lomarcan77)
We have the board in preseries (200 pcs) and while the CAN controller works fine (it doesn't need a lot of throughput, it's a 2-3 nodes bus with about 100 frames/s) on some boards (currently 2 on 30)...
View ArticleMCP23017 INTF Operation (pev)
Hello! I'm using an MCP23017 to capture state changes on some I/O lines. I'm slightly scratching my head as to whether I'm missing something obvious about how INTF works though. I've got a test setup...
View ArticleMCP6001 and many OA spice models not working (eddygo)
Hello, Why Microchip's OA spice models are not working?I tried in LtSpice (while other 3'rd party works like TI, ST and Maxim) and PSpice. In LtSpice I always get error such asTime step too small;...
View ArticleKSZ9567/KSZ9897 is there SGMII interface? Data sheet missing information....
I am looking for Gigabit Ethernet Switch with SGMII interface to MAC. I found KSZ9897 and KSZ9567. I think there is an issue with documentation or product page for these components. On booth product...
View ArticleStange output from MCP9701 temperature sensor (cteufert)
I have an MCP9701 temperature sensor connected directly to an analog input pin on a dsPIC33EP256MC204. The processor is configured to use DMA to scan the 9 input channels continuously. Each scan of 9...
View ArticleVoltage regulator get damaged........? (iqbalapalemad)
Hai i have purchased this product. after a few hour of running the product get damaged. what will be the possible reason for that............?all the i/p and o/p are as per the datasheet ...
View ArticleMCP4261 digital potentiometer, outputs tied high/low? (brownt)
Hi, i am wondering if the terminal ends and/or wiper of a digital potentiometer should be tied high/low when not in use, or is it ok to leave them floating. thanksTim..
View ArticleMonitoring a string of batteries up to 60V using a pic (Antonio_2706)
Dear All,I am building a battery monitoring using a PIC. The idea is to observe how the voltage change inside a string of 20 batteries.At first i used a potential divider to shift from 60V to 5V and...
View ArticleBasic MCP4261 digital pot problem (jstanle1_home)
I have an MCP4261 dual digital pot on a breadboard connected to a PIC18F8722 controller. Just for initial trial I have the communication lines and CS unconnected -- only Vdd and Vss are connected. I...
View Articleproblem in ADC reading when using relay (VIKRANT DAHARWAL)
Hello all, I am using pic 18f45k80 controller for to read ADC data and operate 12 Volt relay accordingly, but I have a problem in ADC reading, when the relay turn on my ADC reading gets reduced by 30...
View Articleusb3300 GND pins internal connections (aseok1404)
HelloAre usb3300 ground pins electrically shorted internally by default? i tested some of this chips checking gnd pins, but they weren't connected to gnd flag.Thanks...
View ArticleFinding an Microchip Application Engineer?? (cteufert)
I have a front end analog design to use with a dsPIC33EP256MC204 that uses MCP6N11-01 Instrument Amps that replaces an older design that used another manufacturer's INAs. The main reason for using the...
View ArticleNeed help with High Voltage Analog Switch - HV2733 (mr386)
Dear Colleagues, I need help with Microchip's 16Ch-High Voltage Analog Switch HV2733. The Data Sheet is somehow not very explicit about the outputs and I would like to be sure about the logic behind...
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