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COP226C Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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COP226C Datasheet(HTML) 1 Page - National Semiconductor (TI) |
1 / 24 page TLDD8422 May 1992 COP224CCOP225CCOP226CCOP244CCOP245C Single-Chip 1k and 2k CMOS Microcontrollers General Description The COP224C COP225C COP226C COP244C and COP245C fully static Single-Chip CMOS Microcontrollers are members of the COPSTM family fabricated using dou- ble-poly silicon gate microCMOS technology These Con- troller Oriented Processors are complete microcomputers containing all system timing internal logic ROM RAM and IO necessary to implement dedicated control functions in a variety of applications Features include single supply oper- ation a variety of output configuration options with an in- struction set internal architecture and IO scheme de- signed to facilitate keyboard input display output and BCD data manipulation The COP224C and COP244C are 28 pin chips The COP225C and COP245C are 24-pin versions (4 inputs removed) and COP226C is 20-pin version with 15 IO lines Standard test procedures and reliable high-density techniques provide the medium to large volume customers with a customized microcontroller at a low end-product cost These microcontrollers are appropriate choices in many de- manding control environments especially those with human interface COPSTM MicrobusTM and MICROWIRETM are trademarks of National Semiconductor Corp TRI-STATE is a registered trademark of National Semiconductor Corp Features Y Lowest power dissipation (600 mW typical) Y Fully static (can turn off the clock) Y Power saving IDLE state and HALT mode Y 44 ms instruction time Y 2k x 8 ROM 128 x 4 RAM (COP244CCOP245C) Y 1k x 8 ROM 64 x 4 RAM (COP224CCOP225C COP226C) Y 23 IO lines (COP244C and COP224C) Y True vectored interrupt plus restart Y Three-level subroutine stack Y Single supply operation (45V to 55V) Y Programmable readwrite 8-bit timerevent counter Y Internal binary counter register with MICROWIRETM serial IO capability Y General purpose and TRI-STATE outputs Y LSTTLCMOS output compatible Y Softwarehardware compatible with COP400 family Y Military temperature (b55 Cto a125 C) operation Block Diagram Not available on COP226C TLDD8422 – 1 FIGURE 1 C1995 National Semiconductor Corporation RRD-B30M105Printed in U S A |
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