piclist 1998\10\26\090340a >
Thread: Good news: compatible microchip's products available!!
face BY : David Wong email (remove spam text)

What company produces these and what is their website.

       -----Original Message-----
       From:   Starfire Zhu [SMTP:@spam@zhuxhspam_OUTspamspamBeGoneCHEERFUL.COM]
       Sent:   Sunday, October 25, 1998 11:16 PM
       To:     spamBeGonePICLISTspam_OUTspamMITVMA.MIT.EDU
       Subject:        Re: Good news: compatible microchip's products


       Below is a piece of information about these chips. (Please view it
in a
       text editor like Notebook).
       The actual prices are dependent on your ordering quantity, and sure
       make you smile.
       (At least 30% off than PIC!!)

       Keep contact if I may help you.

       Best Reguards!


       Compatible 8-bit CMOS Microcontrollers

       Model    MDT1005    MDT1010
       ROM size   0.5K X 14   1.0K X 14
       RAM size   25 bytes   25 bytes
       Instruction bits  14 bits    14 bits
       Data bus   8 bits    8 bits
       Number of instructions  36    26
       Operation frequency (Hz) 20M    20M
       Operation Voltage (V)  2.3~6.3    2.3~6.3
       Instruction Cycle time (ns) 200    200
       Special registers  7    7
       I/O    17 I/O, 1 input   17 I/O, 1 input
       Timer/counter   8 bits    8 bits
       Timer prescaler   8 bits    8 bits
       Stack levels   2    2
       Watchdog function  Enable/Disable   Enable/Disable
       OST time   150us,20ms,40ms,80ms  150us,20ms,40ms,80ms
       Oscillator type  RC,LFXT,XTAL,HFXT  RC,LFXT,XTAL,HFXT
       Pull-up resistor  PA,PB,RTCC   PA,PB,RTCC
       Sleep current @5V  <12.0uA, WDT Enable  <12.0uA, WDT Enable
           <1.0uA, WDT Disable  <1.0uA, WDT Disable
       Power-On reset   Yes    Yes
       Power-Edge detector reset Yes    Yes
       Packages   18 pins(300mil body);  18 pins(300mil body);
           DIP,SOP    DIP,SOP

       Features as compared with PIC:
       1. MDT has a PED (Power Edge Detector) to watch the power supply, it
       will start a
       RESET when the voltage gets as low as 1.1~1.3V.
       2. For Code protection, MDT has 3 choices: Enable, Disable and
       Weak-enable. And it
       uses SEC(security) to replace CP(code protection). Unlike PIC, If
       chip is
       programmed with SEC = Enable, the chip can't reprogrammed as SEC
       disabled anymore.
       3. MDT Microcontrollers provide 4 OST(Oscillator Setup Time) choices
       applications: 150us,20ms,40ms,80ms. In many cases, this may offer


       ===============  Starfire Zhu  ===================
       Love human, love peace! Work for success!
       Tel: 86-756-2236157  2115540   FAX: 2115541
       Email: spam_OUTzhuxh@spam@spamspam_OUTcheerful.com      ICQ#:7037093


See also: www.piclist.com/techref/microchip/devices.htm?key=microchip
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