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A plurality of digital words representing picture elements are sequentially loaded into a readin register, which words are thereafter written in parallel into a random access memory via a write data register. The words are subsequently readout of the random access memory in parallel into a read data

A plurality of digital words representing picture elements are sequentially loaded into a readin register, which words are thereafter written in parallel into a random access memory via a write data register. The words are subsequently readout of the random access memory in parallel into a read data register and to a readout data register which thereafter sequentially transmits the words stored therein to an output circuit. The arrangement is such that each word may flow through the pipeline to be processed during a clock period of P ns; although the RAM response time is greater than P ns.

대표청구항 ▼

A method of writing q-bit words into and reading q-bit words out of a memory having an access time longer than a system clock period of p ns comprising: providing a memory having an N×q bit word size, a read-in register with N [×]q-bit sections and a read-out register with n q-bit sections; for writ

A method of writing q-bit words into and reading q-bit words out of a memory having an access time longer than a system clock period of p ns comprising: providing a memory having an N×q bit word size, a read-in register with N [×]q-bit sections and a read-out register with n q-bit sections; for writing into said memory, loading N q-bit words into the sections of said register in sequence each in said period of p ns and then transferring the N×q-bit contents of said register to said memory simultaneously; and, for reading, simultaneously transferring an N×q-bit work from said memory to said read-out register and then sequentially reading out the contents of the sections of said read-out register q-bits at a time, each in p ns, whereby a period N×p ns will be available for writing into and reading out of said memory N×q-bits at a time.