CDP1802A, CDP1802AC,
CDP1802BC
CMOS 8-Bit Microprocessors
March 1997
Features
Description
• Maximum Input Clock Maximum Frequency Options
At VDD = 5V
The CDP1802 family of CMOS microprocessors are 8-bit
register oriented central processing units (CPUs) designed
for use as general purpose computing or control elements in
a wide range of stored program systems or products.
- CDP1802A, AC . . . . . . . . . . . . . . . . . . . . . . . . .3.2MHz
- CDP1802BC. . . . . . . . . . . . . . . . . . . . . . . . . . . .5.0MHz
[ /Title
(CDP1
802A,
CDP18
02AC,
CDP18
02BC)
/Sub-
ject
(CMO
S 8-
Bit
Micro-
proces-
sors)
/Autho
r ()
/Key-
words
(Inter-
sil
Corpo-
ration,
8-bit
micro-
proces-
sors, 8
bit
micro-
proces-
sors,
• Maximum Input Clock Maximum Frequency Options
At VDD = 10V
The CDP1802 types include all of the circuits required for
fetching, interpreting, and executing instructions which have
been stored in standard types of memories. Extensive
input/output (I/O) control features are also provided to facili-
tate system design.
- CDP1802A, AC . . . . . . . . . . . . . . . . . . . . . . . . .6.4MHz
• Minimum Instruction Fetch-Execute Times
At VDD = 5V
- CDP1802A, AC . . . . . . . . . . . . . . . . . . . . . . . . . . 5.0µs The 1800 series architecture is designed with emphasis on
the total microcomputer system as an integral entity so that
systems having maximum flexibility and minimum cost can
be realized. The 1800 series CPU also provides a synchro-
nous interface to memories and external controllers for I/O
devices, and minimizes the cost of interface controllers. Fur-
ther, the I/O interface is capable of supporting devices oper-
ating in polled, interrupt driven, or direct memory access
modes.
- CDP1802BC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.2µs
• Any Combination of Standard RAM and ROM Up to
65,536 Bytes
• 8-Bit Parallel Organization With Bidirectional Data Bus
and Multiplexed Address Bus
• 16 x 16 Matrix of Registers for Use as Multiple
Program Counters, Data Pointers, or Data Registers
The CDP1802A and CDP1802AC have a maximum input
clock frequency of 3.2MHz at VDD = 5V. The CDP1802A and
CDP1802AC are functionally identical. They differ in that the
CDP1802A has a recommended operating voltage range of
4V to 10.5V, and the CDP1802AC a recommended operat-
ing voltage range of 4V to 6.5V.
• On-Chip DMA, Interrupt, and Flag Inputs
• Programmable Single-Bit Output Port
• 91 Easy-to-Use Instructions
The CDP1802BC is
a higher speed version of the
CDP1802AC, having a maximum input clock frequency of
5.0MHz at VDD = 5V, and a recommended operating voltage
range of 4V to 6.5V.
Ordering Information
PART NUMBER
5V - 3.2MHz
CDP1802ACE
CDP1802ACEX
CDP1802ACQ
CDP1802ACD
CDP1802ACDX
5V - 5MHz
CDP1802BCE
CDP1802BCEX
CDP1802BCQ
-
TEMPERATURE RANGE
PACKAGE
PDIP
Burn-In
PLCC
SBDIP
Burn-In
PKG. NO.
E40.6
o
o
-40 C to +85 C
E40.6
N44.65
D40.6
D40.6
o
o
-40 C to +85 C
o
o
-40 C to +85 C
periph-
erals)
/Cre-
CDP1802BCDX
ator ()
/DOCI
NFO
pdf-
mark
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
File Number 1305.2
http://www.intersil.com or 407-727-9207 | Copyright © Intersil Corporation 19993-3
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