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CDP1802BC Datasheet Preview

CDP1802BC Datasheet

CMOS 8-Bit Microprocessor

No Preview Available !

_________________ 1800-Series Microprocessors and Microcomputers
CDP1802BC
CLOCK
WAiT
CLEAR
Q
SCI
seo
MRD
BUS 7
BUS 6
BUS 5
BUS 4
BUS :3
BUS 2
BUS I
BUS a
Vee
N2
NI
NO
V55
4,.0
"'3".
"34
. ""10
"30
"12 29
20
"14 27
" ,.I. 2.
17 24
10 23
I. 22
20 21
TOP VIEW
xVomo
1iiiATFi
DMA OUT
~
MWR
TPA
TPO
"A.
"AS
"A4
"A3
"A2
"AI
m"AO
m
mm
92CS-<'7467RI
TERMINAL ASSIGNMENT
CMOS 8-Bit Microprocessor
Features:
• Minimum instruction fetch-execute time of 3.2 /.IS
(maximum clock frequency =5 MHz) at Voo =5 V
• Any combination of standard RAM and ROM up to 65,536 bytes
• Operates with slow memories, up to 775 ns access time at fCl = 5 MHz
• B-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 mputs
• Programmable single-bit output port
• 91 easy-to-use instructIOns
The RCA-COP1802BC LSI CMOS 8-bit 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 COP1802BC 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 COP1802BC has 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 (0 suffix), 40-
lead dual-in-line plastic packages (E suffix), and 44-lead
plastic chip-carrier (PCC) packages (0 suffix).
==>
<==
CDP1852
INPUT PORT CS2
fTDATA CS'
Jl
DATA CSI
l -CDPI852 CS2
I -OUTPUT PORT
CLOCK
II
MAO-7
NO
MRo
CDPI802
8-BIT CPU
e-- NI
MWR
- TPB
TPA
DATA
II
ADDRESS BUS
'0'
MAO-7
Mifo
CDPI833
r K-ROM
TPA
B- BIT DATA BUS
DATA
\/
CEO
Fig 1 - TYPical CDP1802BC small microprocessor system.
\J
MAO-4
MRO
CDPI824
32 BYTE RAM
MWR
cs
DATA
II
92CM- 34661Rl
File Number 1342
__________________________________ 39




GE

CDP1802BC Datasheet Preview

CDP1802BC Datasheet

CMOS 8-Bit Microprocessor

No Preview Available !

1800-8erles Microprocessors and Microcomputers
CDP1802BC
MAXIMUM RATINGS, Absolute-Maximum Values:
DC SUPPLY-VOLTAGE RANGE, (VDD):
(All voltages referenced to VSS terminal)
CDPI802BC ..••..•.••.....•....•...••..•.•.•..•.•..•••...••..••.•....•........••...••...•••••••..••••••••.••••••••• --0.5 to +7 V
INPUT VOLTAGE RANGE, ALL INPUTS ••..•.•.•...••...•...••....•....•.•......•..•...•.•.•.•••.....••.•••••... -0.5 to VOD +0.5 V
DC INPUT CURRENT, ANY ONE INPUT .•..•.•.....••..••..•••...••.....•....•....•....•.••.•...•...••••••••••.•••.••••••• ·'±10 mA
POWER DISSIPATION PER PACKAGE (PD):
For TA=-40 to +80°C (PACKAGE TYPE E) .•...•.•.••..•..........•...•..•..•.....•..........•.•••••.•••••.•••.•••••.•••• 500 mW
For TA=+60 to +85°C (PACKAGE TYPE E) ................................................. Derate Linearly at 12 mWI"C to 200 mW
For TA=-55 to +100°C (PACKAGE TYPE D) ............................................................................. 500 mW
For TA=+I00to +125°C (PACKAGE TYPE D) .............................................. Derate Linearly at 12 mW/OCto 200 mW
For TA = -40° C to +85° C (PACKAGE TYPE Q) ........................................................................... 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 Q .......................................................................................... -40to+85°C
STORAGE TEMPERATURE RANGE (Tstg) .......................................................................... -85 to +150° C
LEAD TEMPERATURE (DURING SOLDERING):
At distance 1116±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 Gl 0 epoxy glass, or equivalent.
OPERATING CONDITIONS at TA=-400 C to +850 C
For maximum reliability, operating conditions should be selected so that operation is always within the following ranges:
CONDITIONS
LIMITS
CHARACTERISTIC
DC Operating Voltage Range
Input Voltage Range
Maximum Clock Input Rise or Fall Time, tr,tf
Minimum Instruction Time2
Maximum DMA Transfer Rate
Maximum Clock Input Frequency,
fCL
Load Capacitance (CLl=50 pF
VCC1
(V)
-
-
4t06.5
5
5
5
VDD
(V)
-
-
4to 6.5
5
5
5
CDP1802BC
Min. Max.
4.0 6.5
VSS VDD
-1
3.2 -
- 667
DC 5
UNITS
V
IJS
KBytesls
MHz
lVCC must never exceed VDD.
2Equals 2 machine 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.
o AMBIENT TEMPERATUREITAI-2!5·C
~
~
i2
2
2
~0
25
35
4S ~ 6' 75 85 91S 105 115 12'5
AMBIENT TEMPERATURE IT.I--C
UCS-:!I4662
Fig. 2 . Typical maximum clock frequency
as a function of temperature.
25 !SO 75 100 Its I~ 11!i 200
LOAD CAPACITANCE (Cl.l-pF
Fig. 3 - Typical transition time va. load
capacitance.


Part Number CDP1802BC
Description CMOS 8-Bit Microprocessor
Maker GE
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CDP1802BC Datasheet PDF






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