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Intersil Electronic Components Datasheet

CDP1802A Datasheet

CMOS 8-Bit Microprocessors

No Preview Available !

CDP1802A, CDP1802AC,
CDP1802BC
March 1997
CMOS 8-Bit Microprocessors
[ /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,
periph-
erals)
/Cre-
ator ()
/DOCI
NFO
pdf-
mark
Features
Description
• Maximum Input Clock Maximum Frequency Options
At VDD = 5V
- CDP1802A, AC . . . . . . . . . . . . . . . . . . . . . . . . . 3.2MHz
- CDP1802BC. . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.0MHz
• Maximum Input Clock Maximum Frequency Options
At VDD = 10V
- CDP1802A, AC . . . . . . . . . . . . . . . . . . . . . . . . . 6.4MHz
• Minimum Instruction Fetch-Execute Times
At VDD = 5V
- CDP1802A, AC . . . . . . . . . . . . . . . . . . . . . . . . . . 5.0µs
- 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
• On-Chip DMA, Interrupt, and Flag Inputs
• Programmable Single-Bit Output Port
• 91 Easy-to-Use Instructions
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.
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.
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.
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.
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
5V - 5MHz
CDP1802ACE
CDP1802BCE
CDP1802ACEX CDP1802BCEX
CDP1802ACQ CDP1802BCQ
CDP1802ACD
-
CDP1802ACDX CDP1802BCDX
TEMPERATURE RANGE
-40oC to +85oC
-40oC to +85oC
-40oC to +85oC
PACKAGE
PDIP
Burn-In
PLCC
SBDIP
Burn-In
PKG. NO.
E40.6
E40.6
N44.65
D40.6
D40.6
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
http://www.intersil.com or 407-727-9207 | Copyright © Intersil Corporation 1999
3-3
File Number 1305.2


Intersil Electronic Components Datasheet

CDP1802A Datasheet

CMOS 8-Bit Microprocessors

No Preview Available !

CDP1802A, CDP1802AC, CDP1802BC
Pinouts
40 LEAD PDIP (PACKAGE SUFFIX E)
40 LEAD SBDIP (PACKAGE SUFFIX D)
TOP VIEW
44 LEAD PLCC
(PACKAGE TYPE Q)
TOP VIEW
CLOCK 1
WAIT 2
CLEAR 3
Q4
SC1 5
SC0 6
MRD 7
BUS 7 8
BUS 6 9
BUS 5 10
BUS 4 11
BUS 3 12
BUS 2 13
BUS 1 14
BUS 0 15
VCC 16
N2 17
N1 18
N0 19
VSS 20
40 VDD
39 XTAL
38 DMA IN
37 DMA OUT
36 INTERRUPT
35 MWR
34 TPA
33 TPB
32 MA7
31 MA6
30 MA5
29 MA4
28 MA3
27 MA2
26 MA1
25 MA0
24 EF1
23 EF2
22 EF3
21 EF4
SC0
MRD
BUS 7
BUS 6
BUS 5
NC
BUS 4
BUS 3
BUS 2
BUS 1
BUS 0
6 5 4 3 2 1 44 43 42 41 40
7 39
8 38
9 37
10 36
11 35
12 34
13 33
14 32
15 31
16 30
17 29
18 19 20 21 22 23 24 25 26 27 28
MWR
TPA
TPB
MA7
MA6
NC
MA5
MA4
MA3
MA2
MA1
CDP1852
INPUT PORT
CS2
CS1
DATA CS1
CDP1852 CS2
OUTPUT
PORT CLOCK
N0 MA0-7
MRD
CDP1802
8-BIT CPU
MWR
N1 TPA
TPB DATA
ADDRESS BUS
MA0-7
MRD
CDP1833
1K-ROM
TPA CEO
DATA
MA0-4
MRD
CDP1824
32 BYTE RAM
MWR
CS
FIGURE 1. TYPICAL CDP1802 SMALL MICROPROCESSOR SYSTEM
3-4


Part Number CDP1802A
Description CMOS 8-Bit Microprocessors
Maker Intersil Corporation
PDF Download

CDP1802A Datasheet PDF






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