ECP was designed to increase speed over EPP by using a DMA channel; therefore, when using ECP mode, you are using a DMA channel.
Extended Capabilities Port (ECP) as designed to increase speed over EPP by using a DMA channel; therefore, when using ECP mode, you are using a DMA channel.
DMA can communicate with CPU using Cycle stelaing process
Using DMA transfer to send print data to the computer may help speed up printing.
DMA
DMA, Direct Memory Access, is a method of transferring data from the computer's RAM to another part of the computer without processing it using the CPU.
What are disadvantages of using car?
DMA Distribuidora was created in 1950.
DMA - magazine - was created in 1993.
DMA - magazine - ended in 2003.
DMA operations
Yes, DMA does bypass the CPU.