I am working on LPC2888 micro controller.I am using DMA channels for data transfers.How the controller will behave in this situation explained below.
the device software want to read 30 bytes from host, but host want to send 40 bytes. will i get EOT interrupt and what the content in UDMA0Cnt register.Plese help me.
It is clearly described on the manual.
www.standardics.nxp.com/.../user.manual.lpc2880.lpc2888.pdf
6.4.1 Data transfer between DMA engine and the USB function core (p211) Transfer for OUT endpoints ... The DMA engine will also stop the data transfer when the logical DMA Channel Count Register reaches the value zero
Tsuneo