MM53200N ,Encoder/Decoder“mmmrmV T, T
MM53200
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National
Sejniconductor
MM53200 Encod ..
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TA within operating temperature range Vss = 5V 1-596, VGG = -t2V i596, ..
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Parameter Condltlons _1 Mln 1 Typ M ..
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f TA within. operating range,, A/ss-- 24V-26V, VDD= 0V, unless otherw ..
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MN1A7T0200 ,MicrocomputerMN1A7T0200Type MN1A7T0200Max. 16 M in totalROM (× × × × ×8-bit / × × × × ×16-bit / × × × × ×32-bit) ..
MM53200N
Encoder/Decoder
MM53200
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National
Se/miconductor
MM53200 EncoderIDecoder
The MM53200 Encoder/Decoder Is an MOSILSI Digital
Code Transmitter - Receiver system.
Features
a A single chip contains both the Encoder and Decoder.
D Oscillator stability is norrcritical, 5% components
may be used.
a Cross Interference of receivers In close proximity is
virtually eliminated by circuitry which requires 4 vaIld
words to be received, each within 64 ms of the other.
Operation
In the transmit mode the twelve Inputs are scanned se-
quentially producing the output pattern shown In Figure
Electronic Data Processing
t. This code Is generated at the rate of 0.96 mslbit, or
11.52 mslword with 11.52 ms reset pulse between words.
In the receiver mode, the Incoming signal Is compared
to the tocaI code In a sequential manner; if there is an
error, the system Is reset and begins Its comparison on
the next pulse. It all twelve bits are received correctly, a
“valid" sIgnaI will be generated. This signal clears a
64 ms counter and clocks a 3 stage ceunter. The 3 stage
counter counts the ''valld" pulses and when 4 pulses
have been received, the transmitlreceive output goes
low. After the tranSmIt/recelve output is enabled, the next
"valid" must be received within 128 ms, giving a one valid
In 6 requirement to keep the transmit/recelve output low.
Connection diagrams for the device in the Receive and
Transmit modes are shown in Figures 2 and 3.
11.52 tttto I
. a 100 HI: Ott.
0.96 tttv-------
Figure 1. Output Waveform
Izc. outnn
MC. mm
CODE SW Mt
ll!!!" LI!
umm CODE " INPUT “US? " SET " SAM! COIIIHATIDN " Tmilm
Figure 2. Pln Connections tor Racelver Mode
INPUT! 1-12
TWIN!!! COD! SW "(PUTS MUST BE SE1 " 8!!! COIIIIAHON " RICH"!
Figure a. Pin Connections tor Transmlttar Mode
"_" ma;
Design Speelflcatlons
StoragoTemperatum -ss'c to +125'C
Operating Temperature -25°c to +70°c
Lead Temperature. Max. (Soldering, 10 seconds) +300'C
Power Supply
V00 Vss+7VtoVss+11V
too 12mA Max.
Electrical Characteristics
Parameter Conditions Min. Tht. Max. Units
Input Voltage Levels
Schmitt Trigger Input Level 1 Vss + 4 V
Level o Vss + 2 V
All Other Inputs Level , Von - M V00 V
Level o Vss vss +0.5 V
Input Resistor to Von 200k 1.2M $2
Output Voltge (translrec)
Logic High "1" Isounce 551A Voo-05 V00
Logic Low "ty' tsom 2mA vss Vss+ 1.0
Oscillator Frequency tt; 15% exclusive ot 100 kHz
external components -
18.Pln DIP - Top View Pln Functions
Pin 11
1-12 These Data Select tines are used to set the address
OATA SEtEtt LINE t " - m: of the encoderldecoder palr. They have on-chlp pull-
DATA SELECI LINE - , " - RECEIVE/IMNSMW OUTPUT ups and Input switches should pull them to ground.
DATA SELECT LINE - 3 16 L.. RECEIVE INPUT 13 The RC. Input Is the connection polnt tor the single
mm SEtECt ure - 4 " - MODE SELECT' sln 1',','fflte,t 1t','rle,r,,"t'2,tf,',t', ,',"i''d,tfgln, to
- - cc an a capec tor" romt s p n to . tt re.
mm SELECT ure 5 " vsstcnouum quency =2/RC. The frequency may be decreased
om sum LINE IC s 13 - n.c. "lt'ilTi0ttntAttlf0 by Increasing the “mate, value.
om smct LINE 1 " - om SELECT 1m: " vss is the Ground Pin.
DhThSEtEOT urlE - a 11 - OATh SELECT Llrle 15 The Mode Select pin changes operatlon ot the IC
DATA SELECI lINE - 9 10 - OAIASELECY LINE from Receiver to Transmitter. By grounding pin 15
the IC Is put In the Receiver mode. By connection
". GROUND CONNECTION IS RECEIVER MODE
b. Van CONNECTION IS TRANSMITTER MODE 16
Order Number MM53200N "
See Package 20
to Vcc the 10 la put In the Transmitter mode.
The Receiver Input receives the digital PCM wave.
form from the Detector clrcult.
The Output pln produces the PCM waveform when
In the Transmit mode and Is active low In the Re-
celve mode.
Vcc is the posttlve supply pln.
.. aqua
M93”. lllfll
This datasheet has been :
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Datasheets for electronic components.
National Semiconductor was acquired by Texas Instruments.
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This file is the datasheet for the following electronic components:
MM53200N - product/mm53200n?HQS=T|-nu|I-null-dscatalog-df-pf-nuII-wwe
