Overview
The XIO2001IZAJ, produced by Texas Instruments, is a single-function PCI Express to PCI bus translation bridge. It is designed to be fully compliant with the PCI Express to PCI/PCI-X Bridge Specification, Revision 1.0, as well as the PCI Express Base Specification, Revision 2.0, and the PCI Local Bus Specification, Revision 2.3. This bridge supports full ×1 PCI Express throughput, providing 250 MB/s packet throughput in each direction simultaneously. It is engineered to facilitate seamless communication between PCI Express and PCI/PCI-X buses, making it a crucial component in various modern electronic systems.
Key Specifications
| Specification | Description |
|---|---|
| PCI Express Compliance | Fully compliant with PCI Express Base Specification, Revision 2.0 |
| PCI/PCI-X Compliance | Fully compliant with PCI Express to PCI/PCI-X Bridge Specification, Revision 1.0 |
| PCI Local Bus Compliance | Fully compliant with PCI Local Bus Specification, Revision 2.3 |
| Throughput | Full ×1 PCI Express throughput, 250 MB/s in each direction |
| Error Reporting | PCI Express Advanced Error Reporting Capability including ECRC support |
| Power States | Support for D1, D2, D3hot, and D3cold power states |
| Clock Support | 100-MHz differential PCI Express common reference clock or 125-MHz single-ended reference clock |
| PCI Bus Interface | 3.3-V and 5.0-V tolerance options (25 MHz or 33 MHz only at 5.0 V) |
| Package Options | Available in 144-ball ZAJ nFBGA, 169-ball ZWS nFBGA, and PowerPad™ HTQFP 128-pin PNP packages |
| PCI Clock Outputs | Six buffered PCI clock outputs (25 MHz, 33 MHz, 50 MHz, or 66 MHz) |
Key Features
- Robust pipeline architecture to minimize transaction latency
- Support for up to six subordinate PCI bus masters with internal configurable, 2-level prioritization scheme
- Internal PCI arbiter supporting up to six external PCI masters
- Advanced PCI Express message signaled interrupt generation for serial IRQ interrupts
- External PCI bus arbiter option
- PCI bus LOCK support
- JTAG/BS for production test
- PCI-Express CLKREQ support
- Clock run and power override support
- Integrated AUX power switch drains VAUX power only when main power is off
- Five 3.3-V, multifunction, general-purpose I/O terminals
- Memory-mapped EEPROM serial-bus controller supporting PCI Express power budget/limit extensions for add-in cards
Applications
- Enterprise systems: Data center and enterprise computing
- Personal electronics: PC and notebooks
- Industrial applications: Factory automation and control, retail automation and payment, industrial transport (non-car and non-light truck)
Q & A
- What is the primary function of the XIO2001IZAJ?
The XIO2001IZAJ is a PCI Express to PCI bus translation bridge, facilitating communication between PCI Express and PCI/PCI-X buses.
- What are the compliance standards for the XIO2001IZAJ?
The XIO2001IZAJ is fully compliant with the PCI Express Base Specification, Revision 2.0, PCI Express to PCI/PCI-X Bridge Specification, Revision 1.0, and PCI Local Bus Specification, Revision 2.3.
- What is the throughput of the XIO2001IZAJ?
The XIO2001IZAJ supports full ×1 PCI Express throughput, providing 250 MB/s packet throughput in each direction simultaneously.
- What power states does the XIO2001IZAJ support?
The XIO2001IZAJ supports D1, D2, D3hot, and D3cold power states.
- What types of clock support does the XIO2001IZAJ offer?
The XIO2001IZAJ supports a 100-MHz differential PCI Express common reference clock or a 125-MHz single-ended reference clock.
- What package options are available for the XIO2001IZAJ?
The XIO2001IZAJ is available in 144-ball ZAJ nFBGA, 169-ball ZWS nFBGA, and PowerPad™ HTQFP 128-pin PNP packages.
- Does the XIO2001IZAJ support advanced error reporting?
Yes, the XIO2001IZAJ supports PCI Express Advanced Error Reporting Capability including ECRC support.
- What is the purpose of the integrated AUX power switch in the XIO2001IZAJ?
The integrated AUX power switch drains VAUX power only when the main power is off.
- What types of industrial applications can the XIO2001IZAJ be used in?
The XIO2001IZAJ can be used in factory automation and control, retail automation and payment, and industrial transport (non-car and non-light truck).
- Does the XIO2001IZAJ support JTAG for production testing?
Yes, the XIO2001IZAJ supports JTAG/BS for production testing.
- What is the significance of the robust pipeline architecture in the XIO2001IZAJ?
The robust pipeline architecture in the XIO2001IZAJ is designed to minimize transaction latency.
