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National Semiconductor's IPC-16A PACE, sho … National Semiconductor's IPC-16A PACE, short for "Processing and Control Element", was the first commercial single-chip 16-bit microprocessor, announced in late 1974. It was a single-chip implementation of their early 1973 five-chip IMP-16 architecture, which in turn had been inspired by the Data General Nova minicomputer. To the basic IMP-16, PACE added a new operational mode, "byte mode", which was useful for working with 8-bit data like ASCII text. Implemented in pMOS, as was common for the era, PACE required three supply voltages and an external clock with enough signal to drive the internal logic. This was normally supplied by the STE chip. Most PACE systems also required the BTE chip to convert the higher internal voltage signals to TTL levels used by the rest of the system. Its multiplexed address and data pins also required additional logic. Although National Semiconductor had second source agreements with Signetics and Rockwell Semiconductor, neither company produced the PACE design. The PACE was followed by the INS8900, which had the same architecture but was implemented in nMOS. This version made electrical interfacing easier and also fixed several bugs in the PACE logic and increased the speed about 50%. By the time it was available, higher-performance 16-bit CPUs were appearing, and the company began to deemphasize sales of the line.ny began to deemphasize sales of the line.
, 내셔널 세미컨덕터 PACE(IPC-16A/520 PACE)는 내셔널 세미컨덕 … 내셔널 세미컨덕터 PACE(IPC-16A/520 PACE)는 내셔널 세미컨덕터에서 제작한 최초의 상업용 싱글 칩 16비트 마이크로프로세서다. PACE라는 이름은 "Processing and Control Element"의 줄임말이다. PACE는 범용 어큐뮬레이터 4개를 가지고 있으며 명령어 셋 아키텍처는 (Data General Nova) 미니 컴퓨터에서 파생된 IMP-16 아키텍처와 비슷했다. PACE는 IMP-16 보다 좀 더 빨랐으며 8비트 데이터 처리에 적합한 "바이트 모드"를 가지고 있었다. 페이스 명령어 중에는 첫 번째 어큐뮬레이터 AC0에서만 작동하는 것이 있었는데 어큐뮬레이터 전부를 사용할 수 있는 IMP-16과 다른 점이었다. 나중에 PACE의 자리를 INS8900이 이어받았다. INS8900은 PACE와 동일한 아키텍처이며 공정으로 제작되었다는 것이 다른 점이다.0은 PACE와 동일한 아키텍처이며 공정으로 제작되었다는 것이 다른 점이다.
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내셔널 세미컨덕터 PACE(IPC-16A/520 PACE)는 내셔널 세미컨덕 … 내셔널 세미컨덕터 PACE(IPC-16A/520 PACE)는 내셔널 세미컨덕터에서 제작한 최초의 상업용 싱글 칩 16비트 마이크로프로세서다. PACE라는 이름은 "Processing and Control Element"의 줄임말이다. PACE는 범용 어큐뮬레이터 4개를 가지고 있으며 명령어 셋 아키텍처는 (Data General Nova) 미니 컴퓨터에서 파생된 IMP-16 아키텍처와 비슷했다. PACE는 IMP-16 보다 좀 더 빨랐으며 8비트 데이터 처리에 적합한 "바이트 모드"를 가지고 있었다. 페이스 명령어 중에는 첫 번째 어큐뮬레이터 AC0에서만 작동하는 것이 있었는데 어큐뮬레이터 전부를 사용할 수 있는 IMP-16과 다른 점이었다. 나중에 PACE의 자리를 INS8900이 이어받았다. INS8900은 PACE와 동일한 아키텍처이며 공정으로 제작되었다는 것이 다른 점이다.0은 PACE와 동일한 아키텍처이며 공정으로 제작되었다는 것이 다른 점이다.
, National Semiconductor's IPC-16A PACE, sho … National Semiconductor's IPC-16A PACE, short for "Processing and Control Element", was the first commercial single-chip 16-bit microprocessor, announced in late 1974. It was a single-chip implementation of their early 1973 five-chip IMP-16 architecture, which in turn had been inspired by the Data General Nova minicomputer. To the basic IMP-16, PACE added a new operational mode, "byte mode", which was useful for working with 8-bit data like ASCII text.r working with 8-bit data like ASCII text.
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| rdfs:label |
내셔널 세미컨덕터 PACE
, National Semiconductor PACE
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