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參數資料
| 型號： | XR17L152IM |
| 廠商： | EXAR CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | CAP .068UF 400V PEN FILM 2825 5% |
| 中文描述： | 2 CHANNEL(S), 3.125M bps, SERIAL COMM CONTROLLER, PQFP100 |
| 封裝： | 14 X 14 MM, 1 MM HEIGHT, TQFP-100 |
| 文件頁數： | 1/55頁 |
| 文件大小： | 318K |
| 代理商： | XR17L152IM |
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Exar
Corporation 48720 Kato Road, Fremont CA, 94538
(510) 668-7000
FAX (510) 668-7017
www.exar.com
á
DISCONTINUED
XR17L152
3.3V PCI BUS DUAL UART
AUGUST 2003
REV. 1.1.0
GENERAL DESCRIPTION
The XR17L152
1
(L152) is a monolithic dual PCI Bus
Universal Asynchronous Receiver and Transmitter (UART)
in Exar’s PCI Bus UART family. The device is designed to
meet today’s 32-bit PCI Bus and high bandwidth
requirements in communication systems. The global
interrupt source register provides a complete interrupt
status indication for both channels to speed up interrupt
parsing. Each UART is independently controlled and has its
own 16C550 compatible 5G (Fifth Generation) register set,
transmit and receive FIFOs of 64 bytes, fully programmable
transmit and receive FIFO trigger levels, transmit and
receive FIFO level counters, automatic hardware flow
control with programmable hysteresis, automatic software
(Xon/Xoff) flow control, automatic half-duplex control
output, wireless IrDA (Infrared Data Association) infrared
encoder/decoder, 8 multi-purpose definable inputs/outputs,
and a 16-bit general purpose timer/counter.
N
OTE
:
1 Covered by U.S. Patents #5,649,122, #5,949,787
APPLICATIONS
Network Management
Factory Automation and Process Control
Ethernet Network to Serial Ports
Point-of-Sale Systems
Multi serial ports RS-232/RS-422/RS-485 Cards
FEATURES
High Performance DUART
PCI Bus 2.2 Target Interface Compliance
3.3 V PCI Bus Compliant up to 33 MHz Clock
5 Volt Tolerant Serial Inputs
32-bit PCI Bus Interface with EEPROM Interface
A Global Interrupt Source Register for both UARTs
Data Transfer in Byte, Word and Double-word
Data Read/Write Burst Operation
Each UART is independently controlled with:
16C550 Compatible 5G Register Set
64-byte Transmit and Receive FIFOs
Transmit and Receive FIFO Level Counters
Programmable TX and RX FIFO Trigger Level
Automatic RTS/CTS or DTR/DSR Flow Control
Automatic Xon/Xoff Software Flow Control
Automatic RS485 Half-duplex Control Output with
Selectable Turn-around Delay (0 to 15 bit-times)
Infrared (IrDA 1.0) Data Encoder/Decoder
Programmable Data Rate with Prescaler
Up to 3.125 Mbps Data Rate at 8X Sampling
Eight Multi-Purpose Inputs/outputs
A General Purpose 16-bit Timer/Counter
Sleep Mode with Automatic Wake-up Indicator
Same package and pin-out as XR17C152 and
XR17D152 (14x14x1.0 mm TQFP)
F
IGURE
1. B
LOCK
D
IAGRAM
TMRCK
Device
Configuration
Registers
XTAL1
XTAL2
Crystal Osc/Buffer
TX0, RX0, DTR0#,
DSR0#, RTS0#,
CTS0#, CD0#, RI0#
PCI Local
Bus
Interface
CLK
RST#
AD[31:0]
C/BE[3:0]#
FRAME#
IRDY#
TRDY#
DEVSEL#
STOP#
INTA#
PAR
IDSEL
PERR#
SERR#
Configuration
Space
Registers
MPIO0- MPIO7
Multi-pu.
Inputs/Outputs
TX1, RX1, DTR1#,
DSR1#, RTS1#,
CTS1#, CD1#, RI1#
16-bit
Timer/Counter
EECK
EEPROM
Interface
3.3V VCC
GND
ENIR
EN485#
UART Channel 0
64 Byte TX FIFO
64 Byte RX FIFO
BRG
IR
ENDEC
TX & RX
UART
Regs
UART Channel 1
64 Byte TX FIFO
64 Byte RX FIFO
BRG
IR
ENDEC
TX & RX
UART
Regs
*5V Tolerance for non-PCI Inputs
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相關代理商/技術參數 |
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|---|---|
| XR17L154 | 制造商:EXAR 制造商全稱:EXAR 功能描述:3.3V PCI BUS QUAD UART |
| XR17L154CV | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecomm/Datacomm |
| XR17L154IV | 制造商:EXAR 制造商全稱:EXAR 功能描述:3.3V PCI BUS QUAD UART |
| XR17V252 | 制造商:EXAR 制造商全稱:EXAR 功能描述:66 MHZ PCI BUS DUAL UART WITH POWER MANAGEMENT SUPPORT |
| XR17V252_08 | 制造商:EXAR 制造商全稱:EXAR 功能描述:66 MHZ PCI BUS DUAL UART WITH POWER MANAGEMENT SUPPORT |
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