Overview
The XIO2001ZGU, produced by Texas Instruments, is a single-function PCI Express to PCI translation bridge. It is 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 designed to facilitate seamless communication between PCI Express and PCI/PCI-X interfaces, making it a crucial component in various computing and industrial applications.
Key Specifications
| Specification | Details |
|---|---|
| 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 Management | Support for D1, D2, D3hot, and D3cold power states |
| Link Power Management | Active-State Link Power Management using L0s and L1 states |
| Wake Event | Wake event and beacon support |
| Clock Support | 100-MHz differential PCI Express common reference clock or 125-MHz single-ended reference clock |
| Package Options | Lead-Free 144-Ball ZAJ nFBGA, Lead-Free 169-Ball ZWS nFBGA, and PowerPad™ HTQFP 128-Pin PNP Package |
Key Features
- Robust pipeline architecture to minimize transaction latency
- Full PCI Local Bus 66-MHz/32-Bit throughput
- Support for 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
- Six buffered PCI clock outputs (25 MHz, 33 MHz, 50 MHz, or 66 MHz)
- PCI bus interface 3.3-V and 5.0-V tolerance options
- 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 XIO2001ZGU?
The XIO2001ZGU is a single-function PCI Express to PCI translation bridge.
- What PCI Express specifications does the XIO2001ZGU comply with?
The XIO2001ZGU is fully compliant with the PCI Express Base Specification, Revision 2.0, and the PCI Express to PCI/PCI-X Bridge Specification, Revision 1.0.
- What is the throughput of the XIO2001ZGU?
The XIO2001ZGU supports full ×1 PCI Express throughput, providing 250 MB/s packet throughput in each direction simultaneously.
- Does the XIO2001ZGU support advanced error reporting?
Yes, it supports PCI Express Advanced Error Reporting Capability including ECRC support.
- What power management features does the XIO2001ZGU support?
The XIO2001ZGU supports D1, D2, D3hot, and D3cold power states and active-state link power management using L0s and L1 states.
- What types of packages are available for the XIO2001ZGU?
The XIO2001ZGU is available in Lead-Free 144-Ball ZAJ nFBGA, Lead-Free 169-Ball ZWS nFBGA, and PowerPad™ HTQFP 128-Pin PNP Package.
- Does the XIO2001ZGU support wake events?
Yes, it supports wake events and beacon signals.
- What is the purpose of the integrated AUX power switch?
The integrated AUX power switch drains VAUX power only when the main power is off.
- Does the XIO2001ZGU have general-purpose I/O terminals?
Yes, it has five 3.3-V, multifunction, general-purpose I/O terminals.
- What industrial applications is the XIO2001ZGU suitable for?
The XIO2001ZGU is suitable for factory automation and control, retail automation and payment, and industrial transport (non-car and non-light truck).
