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PI7C9X7954AFDE +BOM

UART Interface IC X1 PCIE-UART 4 Channel Bridge - Product Description

Produttore:

Diodes Incorporated
ProduttorePart #:

PI7C9X7954AFDE
Scheda dati:

PI7C9X7954AFDE Scheda dati (PDF)
Supply Voltage - Max:

1.8 V, 3.3 V
Supply Voltage - Min:

1.8 V, 3.3 V
Minimum Operating Temperature:

- 40 C
Maximum Operating Temperature:

+ 85 C
EDA/CAD Modelli:

Richiedi modelli CAD gratuiti per PI7C9X7954AFDE

PI7C9X7954AFDE Descrizione generale

The connectivity options of this bridge are equally impressive, offering eight downstream PCI channels and one upstream PCIe x1 interface. Additionally, its support for up to 4GB of memory space per device for DMA transfers enhances data transfer efficiency and speed. With the PI7C9X7954AFDE, designers can create robust and sophisticated systems that meet the demands of modern computing environments

Caratteristiche principali

All three ports compliant with the PCI Local Bus Specification, Revision 2.1
Compliant with PCI-to-PCI Bridge Architecture Specification, Revision 1.0
32-Bit Primary and two Secondary Ports
Circular-Delta Bus Architecture
Concurrent primary to secondary bus operation and independent intra-secondary port channel to reduce traffic on the primary port
Provides arbitration for two sets of 8 secondary bus masters
― Programmable 2-level priority arbiters
― Disable control for use of external arbiter
Support PCI transactions for:
― All I/O and memory commands
― Type 1 to Type 0 configuration conversion (downstream only)
― Type 1 to Type 1 configuration forwarding
― Type 1 to special cycle configuration conversion
Supports posted memory write buffers in all directions
Implements delayed transactions for all PCI configuration, I/O and memory read commands
Supports positive medium decoding
Enhanced address decoding
― 32-Bit I/O address range
― 32-Bit memory-mapped I/O address range
― VGA addressing and VGA palette snooping
― ISA-aware mode for legacy support in the first 64KB of I/O address range
IEEE 1149.1 JTAG interface support
Full scan support
3.3V core logic with 5V tolerant 3.3V PCI signaling interface
256-pin plastic PBGA package (NA256)
Supports system transaction ordering rules
Hot-Plug "Ready"
Product Benefits
Triple port PCI-to-PCI Bridge increases the number of PCI slots that can be supported in a system.
Single PI7C7100 device instead of two PCI-to-PCI Bridge devices conserves board real estate and provides one less device load on the primary bus.
Concurrent and intra-secondary bus communication increases overall system performance by reducing bus traffic on the primary bus. Devices on secondary busses can independently communicate while the primary bus is busy.
Integrated two-level programmable arbiter support for up to 8 devices on each secondary bus maximizes master device control. The internal arbiter can be bypassed with an external arbiter for custom applications.
Synchronous clock operation on the primary and secondary busses
Enhanced PCI bridge performance and efficiency through support for delayed transactions.

Specifiche

Product Category	UART Interface IC	Supply Voltage - Max	1.8 V, 3.3 V
Supply Voltage - Min	1.8 V, 3.3 V	Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 85 C	Interface Type	PCIe, UART
Operating Supply Voltage	1.8 V, 3.3 V	Product	PCIe UARTs
Product Type	UART Interface IC	Factory Pack Quantity	90
Subcategory	Interface ICs	Type	UART
Programmabe	Not Verified	Protocol	PCI
Function	Bridge, PCI to UART	Interface	UART
Voltage - Supply	1.8V, 3.3V	Operating Temperature	-40°C ~ 85°C
Base Product Number	7C9X7954

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