Serial communications controller with FIFO register for storing

Details Serial communications controller with FIFO register for storing Serial communications controller with FIFO register for storing

1986-03-31

1990-07-17

Williams, Jr., Archie E.

Boots, shoes, and leggings

3642383, 3642543, 3642545, 3642396, 3642328, 364242A, 3642511, 3642513, G06F 1328, G06F 1206, G06F 1300

Patent

active

049425153

ABSTRACT:
A single chip serial communications controller, adapted for transfer of data to memory in a direct memory access interrupt, generates a status word for each frame of data. To allow for uninterrupted transfer of data to memory from frame to frame, the status words are stored in a FIFO along with word counts corresponding to the frames to allow for subsequent identification of the addresses to which the data frames are assigned. The FIFO is incremented at the end of each frame and decremented as each status word is read by a CPU.

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