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參數資料
| 型號： | OX16PCI954 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Integrated Quad UART and PCI interface |
| 中文描述： | 綜合四UART和PCI接口 |
| 文件頁數： | 1/72頁 |
| 文件大小： | 656K |
| 代理商： | OX16PCI954 |
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Oxford Semiconductor Ltd.
69 Mlton Park, Abingdon, Oxon, OX14 4RX, UK
Tel: +44 (0)1235 824900
Fax: +44(0)1235 821141
Oxford Semiconductor 1999
OX16PCI954 Data Sheet Revision 1.3 – Feb. 1999
Part No. OX16PCI954-TQC60-A
F
EATURES
Four 16C950 High performance UART channels
8/32-bit Pass-through Local Bus
IEEE1284 EPP parallel port
Multi-function target PCI controller, fully PCI 2.2 and
PCI Power Management 1.0 compliant
UARTs fully software compatible with 16C550-type
devices.
Baud rates up to 15Mbps in asynchronous mode and
60Mbps in external 1x clock mode
128-byte deep FIFO per transmtter and receiver
Flexible clock prescaler from1 to 31.875
Automated in-band flow control using programmable
Xon/Xoff in both directions
Automated out-of-band flow control using CTS#/RTS#
and/or DSR#/DTR#
Arbitrary trigger levels for receiver and transmtter
FIFO interrupts and automatic in-band and out-of-
band flow control
Infra-red (IrDA) receiver and transmtter operation
9-bit data framng as well as 5,6,7 and 8
12 multi-purpose IO pins which can be configured as
interrupt input pins
Can be reconfigured using optional non-volatile
configuration memory (EEPROM)
Global Interrupt Status and readable FIFO levels to
facilitate implementation of efficient device drivers
Operation via IO or memory mapping.
Detection of bad data in the receiver FIFO
5.0V operation
160 TQFP package
D
ESCRIPTION
The OX16PCI954 is a single chip solution for PCI-based
serial and parallel expansion add-in cards. It is a dual
function PCI device, where function 0 offers four ultra-high
performance OX16C950 UARTs, and function 1 is
configurable to offer either an 8 bit Local Bus or a bi-
directional parallel port. Serial port cards with up to 8 ports
(or with 4 serial ports and a parallel port) can be designed
without redefining any device or timng parameters.
Each channel in the OX16PCI954, the fastest available
PC-compatible UART, offers data rates up to 15Mbps and
128-deep transmtter and receiver FIFOs. Deep FIFOs
reduce CPU overhead and allow utilisation of higher data
rates. Each channel is software compatible with the widely
used industry-standard 16C550 devices and compatibles
as well as the OX16C95x famly of high performance
UARTs. In addition to increased performance and FIFO
size, the UARTs also provide the full set of OX16C95x
enhanced features including automated in-band flow
control, readable FIFO levels etc.
The efficient 32-bit, 33MHz target-only PCI interface is
compliant with version 2.2 of the PCI Bus Specification and
version 1.0 of PCI Power Management Specification. For
applications that do not require the internal parallel port or
the local Bus, card designers can assign a Subsystem
Vendor ID and a SubsystemID using 32 input pins. If the
UARTs are not required, the Local Bus can be extended
from8-bit operation to a full 32-bit pass-through interface.
For full flexibility, all the default register values can be
overwritten using an optional Mcrowire
TM
serial EEPROM.
To enhance device driver efficiency and reduce interrupt
latency, internal UARTs have multi-port features such as
shadowed FIFO fill levels, a global interrupt source register
and Good-Data Status, readable in four adjacent DWORD
registers visible to logical functions in IO space and
memory space.
Expansion of serial cards beyond four channels is possible
using the 8-bit pass-through Local Bus function. The
addressable space can be increased up to 256 bytes, and
divided into four chip-select regions. In 32-bit mode the bus
can map up to 16kb of Memory address space. This
flexible expansion scheme caters for cards with up to 20
serial ports using external 16C950, 16C952, 16C954 or
compatible devices, for composite applications such as
combined serial and parallel port expansion cards.
The OX16PCI954 also provides an IEEE1284 EPP parallel
port which fully supports the existing Centronics interface.
The parallel port can be enabled in place of the Local Bus.
OX16PCI954
Integrated Quad UART
and PCI interface
相關PDF資料 |
PDF描述 |
|---|---|
| OX16PCI954-TQC60-A | Integrated Quad UART and PCI interface |
| OX4240 | OCXO |
| OX1040 | OCXO |
| OX1041 | OCXO |
| OX1042 | OCXO |
相關代理商/技術參數 |
參數描述 |
|---|---|
| OX16PCI954_05 | 制造商:OXFORD 制造商全稱:OXFORD 功能描述:Integrated Quad UART and PCI interface |
| OX16PCI954-TQA1G | 功能描述:外圍驅動器與原件 - PCI PCI bridge to quad serial & para. port RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
| OX16PCI954-TQC60-A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Integrated Quad UART and PCI interface |
| OX16PCI954-TQC60-A1 | 制造商:OXFORD 制造商全稱:OXFORD 功能描述:Integrated Quad UART and PCI interface |
| OX16PCI958 | 制造商:OXFORD 制造商全稱:OXFORD 功能描述:Octal UART with PCI Interface |
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