说明：  C8051F020/1/2/3中文完整数据手册和官方开发板原理图，总部位于美国德克萨斯州的美国Cygnal公司是1999年3月成立的一家新兴的半导体公司公司专业从事混合信号片上系统单片机的设计与制造公司看好了八位单片机的市场前景至目前更新了原51单片机结构设计了具有自主产权的CIP-51内核使得51单片机焕发了新的生命力其运行速度高达每秒25MIPS现已设计并为市场提供了29个品种的C8051F系列片上系统单片机预计今年年内还将完成20多个新的片上系统单片机的设计经过3年的稳步发展已成长为半导体业界一颗耀眼的新星
(Complete data C8051F020/1/2/3 Chinese official development board manuals and schematics, is headquartered in the United States, Texas, USA Cygnal is set up in March 1999, a new semiconductor company specializing in mixed-signal system-on-chip Single-chip design and manufacturing company has been optimistic about the prospects of eight single-chip market updates to the current structure of the original 51 single-chip microcomputer designed with independent property rights of CIP-51 core of 51 single-chip display makes the new vitality of its 25MIPS second run at speeds of up to now design and provide the market with 29 varieties of the C8051F series single-chip system is expected to be completed this year will be more than 20 new single-chip system-on-chip design, after 3 years of steady development growth for the semiconductor industry a bright star)