KSZ8863 and KSZ8041 with common MDIO interface (anstahl)
We have a board with a KSZ8863 and KSZ8041 sharing the MDIO interface. The interface is implemented in software (bit-banging two gpios). So far the communication works quite good, but there are two...
View ArticleLegacy Stack with DP83849IF for use with both 100BASE-TX and 100BASE-FX...
Hi All, I am hoping someone might be able to help me? I am using a Texas Instruments DP83849IF dual-port 10/100-Mbps PHY with flexible switching in my design. I am using a PIC32MX795F512L together with...
View ArticleKSZ9893 10Mbps compliance test (sebastienocquidant@eaton.com)
Dear I am trying to pass Ethernet compliance @ 10Mbps speed.I met issue on differential voltage test. I get around 1.8V instead of 2.5V. By consequence MAU test also fails.During this test the KSZ9893...
View ArticleKSZ9893: Are I2C pins 3V3 tolerant when VDDIO=2V5? (frankvh)
We are using the KSZ9893RNXI in a new design. The RGMII signals for both our CPU and the KSZ are configured for 2.5V VDDIO. Which is great. However the CPU uses 3V3 signaling for its I2C interface, ie,...
View ArticleKSZ9477 waveforms look bad... what did I do wrong? (nick.wernicke)
I made a board with a ksz9477. It mostly connects OK at 100basetx to things like laptops and switches and embedded computers. But when I look at the traces with an oscilloscope, there are extraneous...
View ArticlePings don't go after Microchip KSZ driver loading. (All works before it has...
Hello!I use EVB-KSZ9477/KSZ/kernels/linux-4.9.143/drivers/net/dsa/microchip/ksz8863_spi.c driver.The problem is the packets don't go through Ethernet interfaces. I have development board with KSZ8895...
View ArticleCan we communicate to LAN9513 USB downstream ports directly via Ethernet?...
Hi, We have 2 devices that we would like to control via Ethernet, where one of them provides the USB interface and for other we may be connecting via UART to USB or SPI to USB. Please note that we are...
View ArticleKSZ9897 unmanaged configuration info (johnguer)
Hello, I have a EVB-KSZ9897-1 switch evaluation board and am trying to find out if the evb can be configured as an unmanaged switch? I have tried the dip switch/jumpers but the board does nothing...
View ArticleTCP/IP client/server example application for PIC32MZ EF Curiosity board...
Hello,Recently I bought PIC32MZ EF curiosity board and want to do tcp/ip ethernet communication between board to my Linux server.And am new to PIC32...
View Articlecan't find TCPIP_Discoverer executeable file (philipj451)
Hi,recently I upgraded my work computer from Windows 7 to Windows 10, I re-installed the Harmony version I am using on a project (v2.06) but I just can't find the file that used to run as Microchip...
View ArticleVSC8540 PHY Device - Power dissipation (matty_boston)
Hi,In the VSC8540 datasheet it lists the typical current consumption of the device. It then mentions to add in significant margin to these number for sizing power. What is the recommended margin to...
View ArticleRMII Ethernet 50MHz Clock from PIC32MZ CLKO (Paul PortSol)
Is it OK to generate the Ethernet 50MHz Clock from the PIC CLKO pin, if PIC32MZ is using a 24MHz CLKI for USB? In the PIC32MZ startup kits the PIC has its own 24MHz clock in, and ethernet has its own...
View ArticleKSZ9896 Back to back with Errata Sheet Module 6 configuration (MCT)
I have a product with an integrated KSZ9896C switch which is used to daisy-chain devices on a LAN.Two or three ports are used to a) connect to an upstream device or router, and b) to provide one or...
View ArticleKSZ9896C AVDDH voltage and current draw (MCT)
I have a prototype run of boards using the KSZ9896C. Out of 25 boards 5 have excess current draw (0.5A) on AVDDH.AVDDH is set to 2.5v and all the supply voltages come up at roughly the same timeOn the...
View ArticleEthernet TCP/IP TLS design suggestions needed - ATSAME70 good choice? (da66en)
?A few years ago I was looking at developing an embedded Ethernet TCP/IP solution that had TLS support, and at the time I felt that a Cortex M7 (ATSAME70 in particular) with an ATECC608 would be the...
View ArticlePhy loop back not working (Saida1234)
Hi every one I am using Ethernet enc624j600 in PSP 16 bit interface mode I tried mac loopback it's working fine but phy loop back is not working I am setting loopback bit in phy register and all other...
View ArticlePic32mx795f512l Ethernet problem (Sfarmpic)
Hi everyone Last week, I have started to work with PIC32 ETHERNET and then I got a problem. My own custom board has been designed as same as pic32 ethernet starer kit II. After then, I programmed pic32...
View ArticlePi4B specific connection problem, does it affect the LAN8742 (Oliver Sedlacek)
I'm still having problems connecting to a Pi4B, specifically making the initial connection rather than subsequent comms which seems pretty reliable. I came across this thread...
View ArticleEthernet PHY for 1000BaseKX (Vyshnav Krishnan)
Hi Team, We are looking for an Ethernet PHY for our next design. Our main chipset will provide ethernet output in 1000BaseKx format. We wanted to connect these signals to an Ethernet RJ-45 connector....
View ArticleENC424J600 Phy not working? (blechman)
I have been working on the software migration from ENC28J60 to ENC424J600. The old code works great with the 28j60, and after a long time working out the necessary changes to support the 424j600, I...
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