Microcontrollers-What's Out There: Difference between revisions
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= Families of Microcontrollers= | = Families of Microcontrollers= | ||
===[http://www.microchip.com PIC] === | ===[http://www.microchip.com PIC] === | ||
*Excellent general purpose chips | |||
*18 - 28 pin packages (down to 8) with 14-22 I/O | *18 - 28 pin packages (down to 8) with 14-22 I/O | ||
*ADC available, usually 4 channels, 8 bits | *ADC available, usually 4 channels, 8 bits | ||
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*Hardware UART on heavier chips | *Hardware UART on heavier chips | ||
*No external addressing | *No external addressing | ||
===[http://semiconductor.hitachi.com/superh/ SH1 - Hitachi SH Family]=== | ===[http://semiconductor.hitachi.com/superh/ SH1 - Hitachi SH Family]=== | ||
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===[http://www.analog.com/industry/microconverter ADuC812]=== | ===[http://www.analog.com/industry/microconverter ADuC812]=== | ||
*Good for data collection, smart sensor type application | |||
*Fast (5 us) 8 channel, 12 bit ADC | |||
*Hardware UART | |||
*Flash | |||
*CISC | |||
*1.25 MIPS max | |||
===[http://ebus.mot-sps.com/ProdCat/sg/0,1251,98635,00.html 68HC11]=== | ===[http://ebus.mot-sps.com/ProdCat/sg/0,1251,98635,00.html 68HC11]=== | ||
*8 channel, 8 bit ADC | |||
*20K program, 1K RAM | |||
*5 16-bit timers | |||
*38 I/O pins | |||
*UART | |||
*24 bit external memory space | |||
*But: 3 MHz clock | |||
Revision as of 23:19, 15 March 2009
Families of Microcontrollers
PIC
- Excellent general purpose chips
- 18 - 28 pin packages (down to 8) with 14-22 I/O
- ADC available, usually 4 channels, 8 bits
- Max. 5 MIPS
- Hardware UART on heavier chips
- No external addressing
SH1 - Hitachi SH Family
- Speed (20 MIPS)
- Bits (32)
- RAM (8K)
- 16 bit timers (5)
- Interrupts (40)
- Power drain (100 mA)
- Pins to solder (100)
ADuC812
- Good for data collection, smart sensor type application
- Fast (5 us) 8 channel, 12 bit ADC
- Hardware UART
- Flash
- CISC
- 1.25 MIPS max
68HC11
- 8 channel, 8 bit ADC
- 20K program, 1K RAM
- 5 16-bit timers
- 38 I/O pins
- UART
- 24 bit external memory space
- But: 3 MHz clock