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CDP1805ACE Datasheet(PDF) 1 Page - Intersil Corporation

Part # CDP1805ACE
Description  CMOS 8-Bit Microprocessor with On-Chip RAM and Counter/Timer
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Manufacturer  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

CDP1805ACE Datasheet(HTML) 1 Page - Intersil Corporation

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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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