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CDP1805ACE Datasheet(PDF) 1 Page - Intersil Corporation |
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CDP1805ACE Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 30 page 1 TM Features • Instruction Time of 3.2 µs, -40oC to +85oC • 123 Instructions - Upwards Software Compatible With CDP1802 • BCD Arithmetic Instructions • Low-Power IDLE Mode • Pin Compatible With CDP1802 Except for Terminal 16 • 64K-Byte Memory Address Capability • 64 Bytes of On-Chip RAM† • 16 x 16 Matrix of On-Board Registers • On-Chip Crystal or RC Controlled Oscillator • 8-Bit Counter/Timer Description The CDP1805AC and CDP1806AC are functional and per- formance enhancements of the CDP1802 CMOS 8-bit regis- ter-oriented microprocessor series and are designed for use in general-purpose applications. The CDP1805AC hardware enhancements include a 64- byte RAM and an 8-bit presettable down counter. The Counter/Timer which generates an internal interrupt request, can be programmed for use in timebase, event-counting, and pulse-duration measurement applications. The Counter/Timer underflow output can also be directed to the Q output terminal. The CDP1806AC hardware enhance- ments are identical to the CDP1805AC, except the CDP1806AC contains no on-chip RAM. The CDP1805AC and CDP1806AC software enhancements include 32 more instructions than the CDP1802. The 32 new software instructions add subroutine call and return capabil- ity, enhanced data transfer manipulation, Counter/Timer con- trol, improved interrupt handling, single-instruction loop counting, and BCD arithmetic. Upwards software and hardware compatibility is maintained when substituting a CDP1805AC or CDP1806AC for other CDP1800-series microprocessors. Pinout is identical except for the replacement of VCC with ME on the CDP1805AC and the replacement of VCC with VDD on the CDP1806AC. n † CDP1805AC Only Ordering Information CDP1805AC CDP1806AC TEMPERATURE RANGE PACKAGE PKG. NO. CDP1805ACE CDP1806ACE -40oC to +85oC Plastic DIP E40.6 - CDP1806ACEX Burn-In CDP1805ACQ CDP1806ACQ -40oC to +85oC PLCC N44.65 CDP1805ACD CDP1806ACD -40oC to +85oC SBDIP D40.6 CDP1805ACDX - Burn-In March 1997 CDP1805AC, CDP1806AC CMOS 8-Bit Microprocessor with On-Chip RAM† and Counter/Timer File Number 1370.2 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a trademark of Intersil Americas Inc. Copyright © Intersil Americas Inc. 2002. All Rights Reserved |
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