ZHCSKJ6 December 2019 TL16C750E
PRODUCTION DATA.
There are two modes of DMA operation, DMA mode 0 or 1, selected by FCR[3].
In DMA mode 0 or FIFO disable (FCR[0] = 0), DMA occurs in single character transfers. In DMA mode 1, multicharacter (or block) DMA transfers are managed to relieve the processor for longer periods of time.