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The GL9711 is a 1-lane PCI Express PHY Layer Controller, which is compliant with PCI Express Base Specification rev. 1.0a and Intel's PHY Interface for the PCI Express Architecture rev. 1.0. It integrates one SerDes and the Physical Coding Sublayer (PCS) which performs 8b/10b encoding and decoding, elastic buffer and receiver detection, data serialization and deserialization. The SerDes in the GL9711 supports an effective serial interface speed (2.5 Gb/s) of data bandwidth, intended for use in ultrahigh-speed bi-directional data transmission system. The GL9711 can also be externally configured for various parallel bus width which is flexible and suitable for implementation. It also supports four operational states for power management to minimize power consumption. For production and self-test purposes, the GL9711 provides BIST and an internal loopback capability.

The primary application of this chip is to provide very high-speed I/O data channels for point-to-point baseband data transmission over an on-chip termination resister of 50 Ohm +/- 10%.

This device can also be used to replace parallel data transmission architectures by providing a reduction in the number of traces, connector pins, and transmit/receive pins. Parallel data loaded into the transmitter is delivered to the receiver over a serial channel. It is then reconstructed into its original parallel format. The maximum data transfer rate in each direction is 256M bytes per second. It also offers various power saving modes to significantly reduce power consumption as well as scalability for a higher data rate in the future.

Complies with PCI Express Base Specification rev. 1.0a
Complies with Intel’s PHY Interface for PCI Express Architecture rev. 1.0
Integrates 2.5 gigabit per second (Gpbs) Serializer/Deserializer
Supports 8-bit or 10-bit parallel interface @250MHz
Supports 16-bit parallel interface @125MHz
Supports DDR configuration for 8-bit or 10-bit mode
Beacon transmission and reception
Receiver detection
Transmission and detection of electrical idle
Clock tolerance for 600 ppm in frequencies between bit rates at the two end of a Link
On-chip 8-bit/10-bit encoding/decoding and comma alignment
On-chip PLL provides clock synthesis
1.8-V power supply for core
2.5-V power supply for IO
Above 2.0 kV ESD protection
0.18 mm process
Available in LFBGA-233 package

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