• LPC17xx: SSP + DMA
    Hi, I'm working with a LPC1758 processor and an AT45 dataflash. The dataflash communicate with the processor by SSP1 and dma. In my first attempt: I want to read the status register from the dataflash...
  • DMA & SSP big endian
    Hi, I'm using LPC2478. My board connected to Analog Device ADE7878 chip that has Fast SPI that send continusly data. Its 3 wire protocol that start the CS bit then clock out 7*32 bits (total 7*4 bytes...
  • SSP peripheral + DMA
    Can somebody please explain what the ISR of a DMA-enabled SSPx peripheral needs to do? I've read the user manual of the LPC24xx but I still don't fully understand how the ISR of the DMA (indicating end...
  • LPC2478 SSP
    The SSP peripheral of my LPC2478 (configured to use SPI frames) is generating a "RNE equals 1" status (Receiver Not Empty - thus, there is data available in the RX FIFO) after some data is placed in...
  • Tiny problem in LPC11C24 and SSP port
    I know, this is not Keil related (well sort of, I use the tools :) but I know there are a lot of people here with a lot of knowledge! Device is a LPC11C24 which is connected to a SD card using SSP1...