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PI7C9X794FCEX

Description
UART Interface IC 1.62- 3.6V Quad UART with 64Byte FIFO
Categorysemiconductor    Analog mixed-signal IC   
File Size2MB,44 Pages
ManufacturerDiodes Incorporated
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PI7C9X794FCEX Overview

UART Interface IC 1.62- 3.6V Quad UART with 64Byte FIFO

PI7C9X794FCEX Parametric

Parameter NameAttribute value
Product AttributeAttribute Value
ManufacturerDiodes Incorporated
Product CategoryUART Interface IC
Factory Pack Quantity1000
A product Line of
Diodes Incorporated
PI7C9X794
High Performance 1.62V To 3.6V Quad Uart with 64-Byte FIFO
Features
ÎÎ
1.62V to 3.6V with 5V Tolerant Serial Inputs
ÎÎ
Single Interrupt output for all 4 UARTs
ÎÎ
Global Interrupt Source Register for all 4 UARTs
A
ÎÎ
“Flat” UART Registers for easier programming
5G
ÎÎ
Simultaneous Initialization of all UART channels
ÎÎ
General Purpose Command-driven 16-bit Timer/counter
A
ÎÎ
Sleep Mode with Wake-up Indication
ÎÎ
Highly Integrated Device for Space Saving
ÎÎ
Each UART is independently controlled with:
Description
The PI7C9X794 (794), is a 1.62V to 3.6V Quad Universal Asyn-
chronous Receiver and Transmitter (UART) with 5V tolerant
serial (modem) inputs. The highly integrated device is designed
for high bandwidth requirement in communication systems.
The global interrupt source register provides a complete interrupt
status indication for all 8 channels to speed up interrupt pars-
ing. Each UART has its own 16C550 compatible set of configu-
ration registers, TX and RX FIFOs of 64 bytes, fully program-
mable transmit and receive FIFO trigger levels, TX and RX FIFO
level counters, automatic RTS/CTS or DTR/DSR hardware flow
control with programmable hysteresis, automatic software (Xon/
Xoff) flow control, RS-485 half-duplex direction control, and
auto address detection, Intel or Motorola bus interface and sleep
mode with a wake-up indicator.
à
16C550 Compatible 5G Register Set
à
64-byte Transmit and Receive FIFOs
à
Transmit and Receive FIFO Level Counters
à
Programmable TX and RX FIFO Trigger Level
à
Automatic RTS/CTS or DTR/DSR Flow Control
à
Automatic Xon/Xoff Software Flow Control
à
RS485 HDX Control Output
à
RS485 auto address detection
à
Infrared (IrDA 1.0/1.1) Data Encoder/Decoder
à
Programmable Data Rate with Prescaler
ÎÎ
to 8 Mbps Serial Data Rate with 64MHz external clock
Up
input
ÎÎ
Crystal oscillator(up to 24MHz) or external clock(up to
80MHz) input
ÎÎ
Built in Power-On-Reset circuit
Application
ÎÎ
Remote Access Servers
ÎÎ
Ethernet Network to Serial Ports
ÎÎ
Network Management
ÎÎ
Factory Automation and Process Control
ÎÎ
Point-of-Sale Systems
ÎÎ
Multi-port RS-232/RS-422/RS-485 Cards
PI7C9X794
Document Number DS40310 Rev 2-2
1
www.diodes.com
October 2017
Diodes Incorporated
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