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82C51A Datasheet

UNIVERSAL SYNCHRONOUS ASYNCHRONOUS RECEIVER TRANSMITTER

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E2O0017-27-X2
¡ Semiconductor¡ Semiconductor
MTShMis8v2eCr5si1oAn-:2JRaSn./G19S9/8JS
Previous version: Aug. 1996
MSM82C51A-2RS/GS/JS
UNIVERSAL SYNCHRONOUS ASYNCHRONOUS RECEIVER TRANSMITTER
GENERAL DESCRIPTION
The MSM82C51A-2 is a USART (Universal Synchronous Asynchronous Receiver Transmitter)
for serial data communication.
As a peripheral device of a microcomputer system, the MSM82C51A-2 receives parallel data
from the CPU and transmits serial data after conversion. This device also receives serial data
from the outside and transmits parallel data to the CPU after conversion.
The MSM82C51A-2 configures a fully static circuit using silicon gate CMOS technology.
Therefore, it operates on extremely low power at 100 mA (max) of standby current by
suspending all operations.
FEATURES
• Wide power supply voltage range from 3 V to 6 V
• Wide temperature range from –40°C to 85°C
• Synchronous communication upto 64 Kbaud
• Asynchronous communication upto 38.4 Kbaud
• Transmitting/receiving operations under double buffered configuration.
• Error detection (parity, overrun and framing)
• 28-pin Plastic DIP (DIP28-P-600-2.54): (Product name: MSM82C51A-2RS)
• 28-pin Plastic QFJ (QFJ28-P-S450-1.27): (Product name: MSM82C51A-2JS)
• 32-pin Plastic SSOP(SSOP32-P-430-1.00-K): (Product name: MSM82C51A-2GS-K)
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Oki Electric Industry Electronic Components Datasheet

82C51A Datasheet

UNIVERSAL SYNCHRONOUS ASYNCHRONOUS RECEIVER TRANSMITTER

No Preview Available !

¡ Semiconductor
FUNCTIONAL BLOCK DIAGRAM
D7 - D0
Data Bus
Buffer
RESET
CLK
C/D
RD
WR
CS
DSR
DTR
CTS
RTS
Read/Write
Control
Logic
Modem
Control
MSM82C51A-2RS/GS/JS
Transmit
Buffer
(P - S)
TXD
Transmit
Control
TXRDY
TXE
TXC
Recieve
Buffer
(S - P)
RXD
Recieve
Control
RXRDY
RXC
SYNDET/BD
2/26


Part Number 82C51A
Description UNIVERSAL SYNCHRONOUS ASYNCHRONOUS RECEIVER TRANSMITTER
Maker OKI electronic componets
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82C51A Datasheet PDF






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