• LPC2378 and PHY DP83848I
    We have LPC2378 based main board with DP83848i Ethernet physical layer in addition. This Ethernet is optional and will be populated when required. We use KEIL RTOS with RL-ARM library for stack etc....
  • LPC1788 EMAC
    Hello, I'm using LCP1788 with a ethernet PHY. The problem is that some times it receives from PHY a ethernet frame with most part of it filled with 0x55. I'm using wireshark for comparing...
  • LPC2378 D rev & PHY DP83848
    Hi All, Currently we are facing issue in LPC2378 D revision using DP83848 PHY. Ping request are timed out. The PHY is used in RMII If replace only controller with LPC2378 B revision, everything...
  • LPC2368, LPC2378 EMAC with One DMA Descriptor for Tx
    Hi All, Presently we are working on EMAC for MCB2300 Board with LPC2378 uController, with KEIL. We are implementing a small firmware for sending and receiving the Ethernet frames. While transmitting...
  • PHY connection MCB1700 LPC1758 LPC1768
    Hi All, I have a doubt about how to connect the P1.15/ENET_REF_CLK pin of my LPC1758 microcontroller with the DP83848 PHY chip. The Keil MCB1700 demo board use the 50MHz PHY ocillator output...