Отправлено AK 17 октября 2001 г. 06:02

Starting with over 300 8051 variants we have created a database of chip features that can be searched to identify the best possible candidates for your application. In the future we intend to add many more chip families so keep this page book-marked.

We have attempted to create a level playing field by comparing the chips using a uniform set of standards and we suggest that you spend a moment reviewing our categories and ground rules before exploring the data.

There are a number of reports available and each report is sorted by different criteria, which we hope you find useful (comments and suggestions for new reports would be appreciated).

Each report shows a subset of the options, chosen to reflect typical requirements and sorted by multiple criteria. The sort order is from left to right and the sorted headings are shown here in green Some reports are multi-page to reduce download times; to examine the other end of the report select the Last pointer at the end of any page and work backwards. The chip name is a link to a page showing full details of that chip including Suppliers and a web link to its Datasheet.

-- For single chip systems - For each CPU this report shows the CPU, on chip programmable ROM, on chip RAM, I/O bits, Additional Features.

-- RAM and I/O available if using external ROM - For each CPU this report shows the CPU, on chip RAM, I/O bits available if using off chip addressing, Additional Features.

-- On chip RAM the main constraint - For each CPU this report shows the CPU, on chip RAM, Timers, Additional Features.

-- I/O and Timers the main constraint - For each CPU this report shows the CPU, I/O bits available if using off chip addressing, Timers, Additional Features.

-- Need to use more than 1 UART ? - For each CPU this report shows the CPU, Number of UARTS>1 , I/O bits available if using off chip addressing, RAM, Additional Features.

-- Low Power Systems - For each CPU this report shows the CPU, idle power, RAM, I/O bits, Additional Features.

-- High Speed Systems - For each CPU this report shows the CPU, max equivalent clock speed, RAM, I/O bits, Additional Features.

-- Show all details - This report shows everything ordered only by CPU name (it's 15 pages long - you have been warned!)

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