♦General Description
ASM1187e, PCI express packet switch, 1 PCIe x1 Gen2 upstream port to 7 PCIe x 1 Gen2 downstream ports, enable users to extend PCIe ports on mother board or embedded system. PCIe interface of ASM1187e is PCIe Base SPEC 2.0 compliance.

      • Standard Compliant
        → PCI express base SPEC 2.0 and backward compatible with SEPC 1.1 & 1.0a
        → PCI Power management SPEC 1.2
      • Port configuration
        → 1 PCIe x1 lane Gen2 upstream port to 7 PCIe x1 lane Gen2 downstream ports
        → 1 PCIe x1 lane Gen2 upstream port to 1 PCIe x 4 lane + 3 PCIe x1 lane downstream ports
      • PCIe power management
        → Link state L0, L0s, L1, L2/L3 Ready and L3
        → Device state D0, D3 hot
      • Short latency delay
      • Integrate 100MHz PCIe differential clock buffer,no extra clock buffer needed.
      • Support I2C interface for debug usage
      • 10 x 10 QFN88 RoHS package

♦Package Type
      • 10 x 10 QFN88



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