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09/27/06 05:29
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Msg Score: -2
 -1 Off-Topic
 -1 Didn't Search First		 #125127 - what next after 8051?
Hello,

We are using 8051 core in our projects; our code size are larger with lot of other peripherals IC's and Project Require RTOS.

When we create the task more than 40, system getting very slow.

We need to jump with other fast micro controller; we required following features:

1. operate on 5V VCC
2. 32 Programmable I/O
3. Support 128K external code/data
4. Ind. Std. Good Compiler like Keil
5. Need micro controller.
6. Standard Features of 8051

please suggest me.

Sandeep

List of 46 messages in thread
TopicAuthorDate
what next after 8051?            01/01/70 00:00      
   Should be in Chat!            01/01/70 00:00      
      ARM7            01/01/70 00:00      
         not 5-volts!            01/01/70 00:00      
            not 5 volts?            01/01/70 00:00      
               Not exactly ...            01/01/70 00:00      
                  "real-world" or "old-world"?            01/01/70 00:00      
                     can't deny it ...            01/01/70 00:00      
      chat            01/01/70 00:00      
         No, not that chat!            01/01/70 00:00      
   DS80C390            01/01/70 00:00      
   Current processor?            01/01/70 00:00      
      after 8051            01/01/70 00:00      
         Nothing to do with ARM            01/01/70 00:00      
         Why 8051?            01/01/70 00:00      
            Crystal            01/01/70 00:00      
            Crystal            01/01/70 00:00      
               You didn't answer the question!            01/01/70 00:00      
                  some thoughts            01/01/70 00:00      
                     Needs more thought!            01/01/70 00:00      
               you say you need performance, are you even thin            01/01/70 00:00      
                  only 20MHz in the 6-clock mode            01/01/70 00:00      
                     only 20MHz in the 6-clock mode            01/01/70 00:00      
                        yeah...            01/01/70 00:00      
                           not QUITE hopeless            01/01/70 00:00      
                        the whole thread seems a waste of effort            01/01/70 00:00      
                           Understatement!            01/01/70 00:00      
         you might want to stick to '51... or not...            01/01/70 00:00      
         Why that crystal frequency?            01/01/70 00:00      
   that is SOME design            01/01/70 00:00      
      Strange Design            01/01/70 00:00      
         an example            01/01/70 00:00      
            bugger..            01/01/70 00:00      
               They had an 8-pin and a 14-pin PIC, didn't they?            01/01/70 00:00      
   ALL of the above is a pie in the sky            01/01/70 00:00      
      Maybe it is for a PABX?            01/01/70 00:00      
      DS80C390            01/01/70 00:00      
         I thought that, too. Why dig deeper?            01/01/70 00:00      
            What does Sandeep Gupta say?            01/01/70 00:00      
               8051 >>> ARM            01/01/70 00:00      
                  Look at the code before changing cpu            01/01/70 00:00      
                  Sandeep Gupta must be a manager            01/01/70 00:00      
                     Blinded by the problem            01/01/70 00:00      
      5V ARM            01/01/70 00:00      
         Well, that's interesting!            01/01/70 00:00      
   have you considered a multiprocessor            01/01/70 00:00      

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