System-on-chip and application processor including FIFO buffer and mobile device comprising the same

摘要

A system-on-chip is provided which includes a data producer; a FIFO buffer which stores data transferred from the data producer at a memory area corresponding to a write pointer; a first consumer which pops data of a memory area corresponding to a first read pointer of the FIFO buffer out; and a second consumer which pops data of a memory area corresponding to a second read pointer of the FIFO buffer out. The FIFO buffer requests a pop-out operation at the second consumer according to the difference between the write pointer and the first read pointer or overwrites data provided from the data producer at a memory area corresponding to the second read pointer.

主权项

1. A system-on-chip comprising:
a data producer; a FIFO buffer which stores data transferred from the data producer at a memory area corresponding to a write pointer; a first consumer which pops out data of a memory area corresponding to a first read pointer of the FIFO buffer; and a second consumer which pops out data of a memory area corresponding to a second read pointer of the FIFO buffer, wherein the FIFO buffer requests a pop-out operation at the second consumer according to the difference between the write pointer and the first read pointer or overwrites data provided from the data producer at a memory area corresponding to the second read pointer, wherein if the difference between the second read pointer and the write pointer corresponds to the size of the FIFO buffer and the difference between the first read pointer and the write pointer is more than a first threshold value and less than a second threshold value, the FIFO buffer request a pop-out operation by the second consumer.