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CDP1802A Datasheet Preview

CDP1802A Datasheet

CMOS 8-Bit Microprocessor

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CDP1802A pdf
________________ 1800-Serle. Mlcroproce.sors and Microcomputers
CDP1802A, CDP1802AC
CLOCK
WiTt
ctm
.C0I
.co
111m
IUS 1
IUS.
BUS •
IUS 4
IUS 3
IUS 2
..IUS I
auso
,Yee
NO
Yss
·0,
·
'0
"12
.."",.
.,17
oo
20
..,. .........0 Yoo
1TIl
.....'"""'"HiT!IIIfilI'f
.."-."...m..........."".,......,.,
m
TOP .,I£W
TERMINAL ASSIGNMENT
CMOS 8-Bit Microprocessor
Features:
• Minimum instruction fetch-execute time of 5 IlS or 7.5 IlS at VDD = 5 V;
2.51ls or 3.75 IlS at VDD = 10 V
• Any combination of standard RAM and ROM up to 65,536 bytes
• Operates with slow memOfles, up to 1 IlS access time at fCL = 4 MHz
• 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, mterrupt, and flag inputs
• Programmable smgle-bit output port
• 91 easy-to-use instructions
The RCA-CDP1802A LSI CMOS 8-blt register-oriented
central-processing unit (CPU) is designed for use as a
general-purpose computing or control element in a wide
range of stored-program systems or products.
The CDP1802A includes all of the circuits required for
fetching, interpreting, and executing Instructions which
have been stored in standard types of memories. ExtenSive
input/output (1/0) control features are also provided to
facilitate 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 syn-
chronous interface to memories and external controllers
for 1/0 devices, and minimizes the cost of interface con-
trollers. Further, the 1/0 interface is capable of supporting
devices operating in polled, interrupt-driven, or direct
memory-access modes.
The CDP1802A and CDP1802AC are functionally identical.
They differ in that the CDP1802A has a recommended
operating voltage range of 4 to 10.5 volts, and the
CDP1802AC a recommended operating voltage range of 4
to 6.5 volts.
These types are supplied in 40-lead dual-in-line side-
brazed ceramiC packages (D suffix). 40-lead dual-In-Iine
plastic packages (E suffix) and 44-lead plastic chip-carrier
(PCC) package (0 suffix). The CDP1802AC isalso available
in chip form (H suffix).
~
<==
CDPI852
INPUT PORT CS2
Ir
MAO-7
NO
DATA CSt
~:
MRD
CDPI802
8-BIT CPU
-~DATA CST
CDPI852 CS2
OUTPUT PORT
CLOCK
I-- NI
I-- TPB
DATA
iiiiR
TPA
II
ADDRESS BUS
\7
MAO-7
MirD
CDPI833
I K-ROM
CEO
TPA
DATA
V
-BI' DATA BUS
Fig. 1 - Typical CDPlli02A small microprocessor system.
\}
MAO-4
MRD
COPI824
32 BYTE RAM
IiWii
CS
DATA
II
92CM- S4.SIRt
File Number 1305
_____________________________________________________________ 17



GE
GE

CDP1802A Datasheet Preview

CDP1802A Datasheet

CMOS 8-Bit Microprocessor

No Preview Available !

CDP1802A pdf
180o-Serles Microprocessors and Microcomputers _ _ _ _ _ _ _ _ _ _ _ _ _ _ __
CDP1802A, CDP1802AC
MAXIMUM RATINGS. Absolute-Maximum Values:
DC SUPPLY-VOLTAGE RANGE, (VDD).
(All voltages referenced to VSS terminal)
CDP1802A .......................................................................................................-0.5to+11 V
CDP1802AC .............................................................................................., ••••••••• -0.5 to +7 V
INPUT VOLTAGE RANGE, ALL INPUTS ....................................................................... -0.5 to VOO +0.5 V
DC INPUT CURRENT. ANY ONE INPUT ......•..........•.....•...••...•...•........••...•...•..••..••.•••••••••••••••••. ±10 mA
POWER DISSIPATION PER PACKAGE (PO):
For TA=-40 to +60°C (PACKAGE TYPE E) ............................................................................. 500 mW
For TA=+60 to +85°C (PACKAGE TYPE E) ......•.•..•....................•..••.......••. Derate Linearly at 12 mW/oC to 200 mW
ForTA=-55to +1OO°C (PACKAGE TYPE D) ............................................................................ 500 mW
For TA=+100 to +125°C (PACKAGE TYPE D) ............................................. Derate Linearly at 12 mWfOC to 200 mW
ForTA = -40°C to +85°C (PACKAGE TYPE 0)' ......................................................................... 500 mW
DEVICE DISSIPATION PER OUTPUT TRANSISTOR
FOR TA=FULL PACKAGE-TEMPERATURE RANGE ..................................................................... 100 mW
OPERATING-TEMPERATURE RANGE (TA)'
PACKAGE TYPE D ......••....•.......................•...•............................•...••..•....•.... , .••••• -55 to +125·C
PACKAGE TYPE E and 0 .....................................•.................................................. -40 to +65·C
STORAGE TEMPERATURE RANGE (Tstg) ......................................................................... -65 to +150·C .
LEAD TEMPERATURE (DURING SOLDERING):
At distance 1/16±1/32 In (1.59±0 79 mm) from case for 10 s max .........••..•.•••..•..•..••..•.•••.•....•••••••••••••• +265·C
• Printed-circuit board mount: 57 mm x 57 mm minimum area x 1.6 mm thick G1 0 epoxy glass, or equivalent.
OPERATING CONDITIONS at TA=-40°C to +85°C
For maximum reliability operatinq conditions should be selected so that operation is always within the following ranges:
CHARACTERISTIC
CONDITIONS
VCC1
(V)
VOO
(V)
LIMITS
COP1802A
Min.
Max.
CDP1802AC
Min.
Max.
UNITS
DC Operating Voltage
Range
Input Voltage Range
--
4 10.5 4
6.5
-V
-
VSS
VOD
VSS
VDD
Maximum Clock Input Rise
or Fall Time, tr,tf
4to 10.5 4to 10.5
-
1-
5 5 5-
-Minimum Instruction Time2
5
10
4
-10 10 2.5
5
-
-
5 5 - 400 -
Maximum DMA Transfer
5
10 -
-500
Rate
- -10 10
800
1
-
- p.s
-
400 KBytes
- per
- second
Maximum Clock Input
Frequency, fCl, load
Capacitance (CU=50 pF
5
5
10
5 DC 3.2 DC 3.2
- -10 DC
4
MHz
-10 DC 6.4
-
1VCC must never exceed VDD.
2Equals 2 ma'chlne cycles-one Fetch and one Execute operation for all instructions except Long Branch and Long Skip, which require 3
machine cycles-one Fetch and two Execute operations
LOAD CAPACITANCE (ell • ~pF
AMBIENT TEMPERATURE (TA)- ze-c
Vccesv, VOO~/OV
vcc~vDO"!5V
n~ ~ ~ ~
~ ~ ~~ ~
AMBIENT TEMPERATURE (TAJ _·C
,He
25 50 75 100 125 ISO Ire zoo
LOAD CAPACiTANCE (el)- pF
92CS-33866
Fig. 2 - TYPical maximum clock frequency
Fig. 3 - Typical transition time VB. foad
as a function of temperature.
capacitance.
18 ___________________________________________________________


Part Number CDP1802A
Description CMOS 8-Bit Microprocessor
Maker GE
Total Page 22 Pages
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