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CDP1806AC fiches techniques PDF

Intersil Corporation - CMOS 8-Bit Microprocessor with On-Chip RAM and Counter/Timer

Numéro de référence CDP1806AC
Description CMOS 8-Bit Microprocessor with On-Chip RAM and Counter/Timer
Fabricant Intersil Corporation 
Logo Intersil Corporation 





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CDP1806AC fiche technique
TM
March 1997
CDP1805AC,
CDP1806AC
CMOS 8-Bit Microprocessor with On-Chip RAM
and Counter/Timer
Features
• Instruction Time of 3.2µs, -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
n
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.
Ordering Information
CDP1805AC
CDP1805ACE
-
CDP1805ACQ
CDP1805ACD
CDP1805ACDX
CDP1806AC
CDP1806ACE
CDP1806ACEX
CDP1806ACQ
CDP1806ACD
-
TEMPERATURE RANGE
-40oC to +85oC
-40oC to +85oC
-40oC to +85oC
PACKAGE
Plastic DIP
Burn-In
PLCC
SBDIP
Burn-In
PKG. NO.
E40.6
N44.65
D40.6
CDP1805AC Only
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
1
File Number 1370.2

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