Bridges
| Products | Description |
|---|---|
| GN4121 | PCI SIG Compliant Single Lane PCI Express Bridge |
| GN4124 | PCI-SIG Compliant Four Lane PCI Express to Local Bus Bridge |
| Product Number | PCIe Lanes | # of Virtual Channels | Peak Local Bus Throughput | Peak System Throughput | Local Bus IO Count | GPIO | PCI SIG Compliance Tested | Max Payload Size | "Live" On Power-up | I2C Master/Target | Power Dissipation | FPGA Bitstream Loader | Local Bus Clock Speed (max) | On-chip Configuration Space | Pkg | Local Bus IP | Interrupt Controller | Software/Driver | Software/IP Updates |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GN4124 | x4 at 2.5Gb/s (10Gb/s) | 2 | 1600MB/s (800MB/s in each direction) | 1600MB/s (800MB/s in each direction) | 54 | 16 (optional) | Yes, on PCI SIG Integrators List | 512 | Yes | Enables application specific information such as BAR sizes, Subsystem ID, and Subsystem Vendor ID to be customized using a small EEPROM. Allows an external I2C master to access internal registers. | 1W | Yes, FPGA loader utility with source code provided | 200MHz (DDR) | Yes, PCIe compliant Type 0 config space, config and extended registers are available through BAR4 | 256 pin 17mm x 17mm lead-free BGA, Green | Royalty free source code provided. Supports master/target interfaces with FlexDMA scatter/gather DMA controller for up to 256 channels in each direction. Supports simultaneous DMA in both upstream and downstream direction. | Supports INTx and MSI, can convert hardwired interrupt into PCIe INTx/MSI | "GenDiag" diagnostic/benchmark software provided with source code, uses Jungo WinDriver DDK (www.jungo.com) that supports Windows 2000/XP/XP Embedded /Server 2003, Vista, Windows CE / Mobile, Linux, Solaris and VxWorks | Documentation, evaluation board/schematics, FPGA IP, example FPGA application code,driver software, application notes available to qualified registered users at www.gennum.com/mygennum |
| GN4121 | x4 at 2.5Gb/s (10Gb/s) | 1 | 800MB/s (400MB/s in each direction) | 500MB/s (250MB/s in each direction) | 49 | 0.75W | 100MHz (DDR) |
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