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CDP6402C fiches techniques PDF

GE - CMOS Universal Asynchronous Receiver/Transmitter

Numéro de référence CDP6402C
Description CMOS Universal Asynchronous Receiver/Transmitter
Fabricant GE 
Logo GE 





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CDP6402C fiche technique
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ CMOS Peripherals
CDP6402, CDP6402C
VDD TRC
NC 'PE
GND CLSI
RRD -
RBRe
CLS2
S8S
RBR7
PI
RBR6
CRL
RBR5
T8RS
RBR4
TBRl
RSR3
TeR6
ReR2
T8R5
RBR'
TBR4
PE TeR 3
FE TBR2
DE T8Rl
SFD TRO
RRC
~
TRE
TBRl
OR
RRI
TBRE
MR
TOP VIEW
92CS-34552
TERMINAL ASSIGNMENT
CMOS Universal Asynchronous
Receiver/Transmitter (UART)
Features:
• Low-power CMOS circuitry -
7.5 mW typo at 3.2 MHz
• Fully programmable with externally
selectable word length (5-8 bits),
(max. freq.) at VDD = 5 V
parity inhibit, even/odd parity, and
• Baud rate - DC to 200K bits/sec (max.)
I, 1.5,or 2 stop bits
at VDD = 5 V, 85°C
• Operating-temperature range:
DC to 400K bits/sec (max.)
(CDP6402D, CD) -55 to +125°
at VDD = 10 V,85°C
(CDP6402E, CE) -40 to +85° C
• 4 V to 10.5 operation
• AutomatIc data formatting and
• Replaces industry types IM6402
and HD6402
status generation
The RCA CDP6402 and CDP6402C are silicon-gate CMOS
Universal Asynchronous Receiver/Transmitter (UART)
circuits for interfacing computers or microprocessors to
asynchronous serial data channels. They are designed to
provide the necessary formatting and control for interfacing
between serial and parallel data channels. The receiver
converts serial start, data, parity, and stop bits to parallel
TRE +-r--------,
data verifying proper code transmission, parity and stop
bits. The transmitter converts parallel data into serial form
and automatically adds start parity and stop bits.
The data word can be 5, 6, 7 or 8 bits in length. Parity may be
odd, even or inhibited. Stop bits can be 1, 1.5, or 2 (when
transmitting 5-bit code).
III
TRC
L---------------j-+TRO
ClSI-~--+_-----+_--------~--~~--~----------------------------------------------_t-SBS
CLS2
EPE
CRL--r---t---------t---------~_ __.----~----------------------------------------------_t-Pl
MR
,-----------------------------------------~_+--4__RRI
SFD
DR OE TBRE
FE PE RBRe (MSBI
Fig. 1 - Functional block diagram.
~----------.;__ RRD
RBRI (LSB) 92CL-34553
File Number 1328
479

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