PI7C9X7954AFDE Pericom Semiconductor, PI7C9X7954AFDE Datasheet
PI7C9X7954AFDE
Manufacturer Part Number
PI7C9X7954AFDE
Description
IC PCIE-TO-UART BRIDGE 128LQFP
Manufacturer
Pericom Semiconductor
Specifications of PI7C9X7954AFDE
Applications
PCIe-to-Uart Bridge
Interface
Advanced Configuration Power Interface (ACPI)
Voltage - Supply
1.8V, 3.3V
Package / Case
128-LQFP
Mounting Type
Surface Mount
Transmitter And Receiver Fifo Counter
Yes
Package Type
LQFP
Mounting
Surface Mount
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Operating Temperature Classification
Industrial
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Product Description
The PI7C9X7954 is a PCI Express
Asynchronous Receiver-Transmitters) I/O Bridge. It is
specifically designed to meet the latest system requirements
of high performance, lead (Pb) -free and reduced package
sizes. The bridge can be used in a wide range of applications
such as Remote Access Servers, Automation, Process
Control,
RS232/RS422/RS485 Cards. The PI7C9X7954 provides one
x1 PCIe
compliant
management 1.2 specifications. The bridge supports four
high performance UARTs, each of which supports Baud rate
up to 15 Mbps in asynchronous mode. The UARTs support
in-band and out-band auto flow control, arbitrary trigger I/O
mapping and memory mapping. The PI7C9X7954 is fully
software compatible with 16C550-type device drivers and
can be configured to fit the requirements of RS232, RS422
and RS485 applications. The EEPROM interface is provided
for system implementation convenience. Some registers can
be pre-programmed via hardware pin settings to facilitate
system initialization. For programming flexibility, all of the
default configuration registers can be overwritten by
EEPROM data, such as sub-vendor and sub-system ID.
Industry Specifications Compliance
Features
PCI Express Base Specification, Revision 1.1
PCI Express CEM Specification, Revision 1.1
PCI Power Management 1.2
Advanced Configuration Power Interface (ACPI)
Specification
PCI Standard Hot-Plug Controller (SHPC) and
Subsystem Specification Revision 1.0.
Support 4 high performance 16C950 UART in single
chip
Fully software compatible with 16C550-type device
drivers
128-byte transmit and receive FIFO
Flexible clock pre-scaler from 4 to 46
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 transmitter
FIFO interrupts and automatic in-band and out-band flow
control
Data framing sizes: 5, 6, 7, 8 and 9
Configurable using non-volatile configuration memory
(EEPROM)
Global Interrupt Status and readable FIFO levels to
facilitate implementation of efficient device drivers.
®
(dual simplex 2.5 Gbps) uplink port, and it is fully
Instrumentation,
with
PCI
express
PCI
PCI Express
PI7C9X7954
®
POS,
, PCIe
®
1.1
®
and PCI Express
Quad UART (Universal
ATM
and
and
PCI
®
Quad UART I/O Bridge
®
®
Multi-port
Pericom Semiconductor Corp.
are registered trademarks of the PCI SIG
power
www.pericom.com
Software support
Applications
Order Information
PI7C9X7954/52AEVB
PI7C9X7954AFDE
PI7C9X7954A-DK
PART NUMBER
Operation via IO or memory mapping
Detection of bad data in the receive FIFO
Baud rate up to 15 Mbps in asynchronous mode.
Supports up to 256-byte maximum payload size
1.8 and 3.3V operation
Power dissipation: 0.8 W typical in normal mode
Industrial Temperature Range -40
Package: 14x14mm, 128-pin LQFP, Pb free and 100%
Green.
Microsoft
Microsoft
Linux 2.6 and above
Remote Access Servers
Network / Storage Management
Factory Automation and Process Control
Instrumentation
Multi-port RS-232/ RS-422/ RS-485 Cards
Point-of-Sale Systems (PoS)
Industrial Control (IPC)
Gaming Machines
Building Automation
Embedded Systems
Interrupt
Interface
TM
TM
PI7C9X7954 Block Diagram
Quad UART Interface
Windows 2000/2003/XP/Vista 32/64-bit
Windows CE 5.0/6.0
PCI Express Interface
®
Design Kit
(www.pcisig.org)
PACKAGE
LFQFP
Board
128
PB-FREE & GREEN
Evaluation kit for PI7C9X7954
Design kit for PI7C9X7954
YES
o
to 85
Clock and
Baud Rate
Generator
o
EEPROM
Interface
TEMPERATURE
-40
85
o
8/19/2008
C TO
Rev 1.5a
o
C
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