linux driver and LAN7801 in RGMII direct connection mode (matianfu)
We are planning a product with the following topology USB-C Port (USB3 Device) -> LAN7801 <- RGMII -> an arm soc with rgmii interface. We could customize the arm soc driver for such a phyless...
View ArticleUsing KSZ8081RNA for RMII (pratik21)
Hi,I have a custom board on which we have to implement ethernet communication with RM57L843, using KSZ8081RNA PHY,We have written a driver for this PHY IC by taking reference of TI PHY IC DP83640, but...
View ArticleLAN8720 power consumption while held in reset (wawrzeniec)
Hello, Is there any data about the power consumption of LAN8720 during assertion of the nRST signal ?I am wondering if we can expect any power saving associated with holding the chip in reset, and...
View ArticleUsing KSZ8081RNA PHY chip for ethernet (pratik21)
Hi,We are using custom board, on which we have interfaced RM57L843 and KSZ80881RNA, we want to establish ethernet(RMII) communication between PC and board.We have written a driver for KSZ8081 by...
View ArticlePIC24 + ENC28J60 Ethernet – How to start? (DubFection)
Hello! It needs to be said that I'm a newbie in this type of field (MCUs, that is), so please forgive the vagueness of my questions. Now let me cut to the point: 1. I'm trying to build a web-controlled...
View ArticleLAN7801 Bricked? (kaipyroami)
Hi,I recently had a LAN7801 that failed the program and now I am unable to have it register via USB. Is there any way to factory reset this device or hard reset the device if it will not connect via...
View ArticleOnly ~4kHz on lan9303 and kernel issues (NHuhs)
Hello,We are trying to use the lan9303 with a stm32mp157 chip on a custom board.the lan9303 is supposed to work as a switch, so we can daisychain multiple devices.The P0_MODE is configured as 101 =...
View ArticleKSZ8081RND: Linux works, Bootloader cannot write registers (cgudrian)
Hello! I am currently facing a strange problem with an KSZ8081RND connected to an i.MX6Solo on a custom 3rd party board (i.e. no schematic, sorry). While the PHY works perfectly on Linux (linux-imx...
View ArticleVSC7422 Pinout Questions (bbawkon)
Hello,I am updating a design using the VSC7422 for the BGA package and there are two pins in the reference design that don't match or are not connected as the datasheet says they should. Can someone...
View ArticleMy ENC28J60 dont works and i dont know why (Rubsan)
Hi! Im trying to do a ping from my PIC18F45K50 with MPLAB using TCP/IP Lite Stack, but it dont works and i was following a video tutorial, theres the MPLAB files...
View ArticleKSZ9031 operating ratings questions (eddygo)
Hello, We'd like to include KSZ9031 in a industrial product (-40/+85), mostly due to its cost. But from datasheet, it has some strange specifications and/or it's not clear enough from integration point...
View ArticleEVB-KSZ9477 DSA Does not work with Latest linux kernel (TARALKAM)
Hi, I am trying to test the DSA switch using EVB-KSZ9477 with latest kernel. The problem occurs in ksz9477_reset_switch() when reset switch command is sent. The value of 0x6301 register is set to 0x08...
View ArticleFails to write to KSZ9897 registers with regs_bin application (InzJoseph)
Hi, I'm working with the KSZ9897 switch on my board. The KSZ9897 switch is connected to the CPU via SPI0.0.My program runs above linux-4.19.152 with the latest KSZ9897 driver. In the kernel (using the...
View ArticleEthernet ONLY on PIC32MZW1 (Nibou11)
Hello, I'm starting on PIC32MZW1 (Harmony V3) curiosity board and would like an example that ONLY uses Ethernet (no wireless).1-Is there an example with just the Ethernet interface but suitable to my...
View Articlebuilt in ethernet sample code with schematic (sridhar6994)
HiI need sample code for a microcontroller with built-in ethernet and also schematic for the same development boardPlease anyone share ThanksR Sridhar..
View ArticlePIC32MZW1 Eth interface (ETHMAC,LAN8720,MIIM) returns DRV_PHY operation...
Hello, I'm adding an ethernet instance to the already existing "wifi_ap" example.I'm using the pic32mz_w1_curiosity_driver.X firmware (no freertos, no wifi_provisioning).Please find the configuration...
View ArticleEthernet IC ENC424J600 LAN connection is not established each time. (amtech)
We have implemented ethernet communiaction using IC ENC424J600. We are using Texas Instrument's DSP controller TMS320F28375D. We have configured the IC for SPI communication. We are using SPI clock of...
View ArticleLAN8720A output REFCLK 50MHz strange (cuongbh)
Hi,I'm using LAN8720A to interface with EMAC of ESP32. I design LAN8720A with crystal 25MHz, and output REFCLK 50MHZ for EMAC. The clock has Vpp around 1.2V with DC offset 1.72V, sine wave. I think...
View ArticlePIC32MX795F512L + DP83848 - small packet loss (Atlantis86)
Recently I began experiments with Ethernet module integrated inside PIC32MX795F512L. I designed and manufactured homemade 2 layered PCB with DP83848 PHY chip. It is connected to PIC32 by RMII...
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