User Manual

Datasheet 33
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Signal Descriptions
4.3 Direct Media Interface 2 (DMI2) Signals
PE2B_TX_DN[7:4]
PE2B_TX_DP[7:4]
PCIe Transmit Data Output
PE2C_TX_DN[11:8]
PE2C_TX_DP[11:8]
PCIe Transmit Data Output
PE2D_TX_DN[15:12]
PE2D_TX_DP[15:12]
PCIe Transmit Data Output
Table 4-5. PCI Express* Port 3 Signals
Signal Name Description
PE3A_RX_DN[3:0]
PE3A_RX_DP[3:0]
PCIe Receive Data Input
PE3B_RX_DN[7:4]
PE3B_RX_DP[7:4]
PCIe Receive Data Input
PE3C_RX_DN[11:8]
PE3C_RX_DP[11:8]
PCIe Receive Data Input
PE3D_RX_DN[15:12]
PE3D_RX_DP[15:12]
PCIe Receive Data Input
PE3A_TX_DN[3:0]
PE3A_TX_DP[3:0]
PCIe Transmit Data Output
PE3B_TX_DN[7:4]
PE3B_TX_DP[7:4]
PCIe Transmit Data Output
PE3C_TX_DN[11:8]
PE3C_TX_DP[11:8]
PCIe Transmit Data Output
PE3D_TX_DN[15:12]
PE3D_TX_DP[15:12]
PCIe Transmit Data Output
Table 4-6. PCI Express* Miscellaneous Signals
Signal Name Description
PE_HP_SCL
PCI Express* Hot-Plug SMBus Clock: Provides PCI Express* hot-plug
support using a dedicated SMBus interface. Requires an external general
purpose input/output (GPIO) expansion device on the platform.
PE_HP_SDA
PCI Express* Hot-Plug SMBus Data: Provides PCI Express* hot-plug support
using a dedicated SMBus interface. Requires an external general purpose
input/output (GPIO) expansion device on the platform.
Table 4-7. Direct Media Interface 2 (DMI2) Signals
Signal Name Description
DMI_RX_DN[3:0]
DMI_RX_DP[3:0]
DMI2 Receive Data Input
DMI_TX_DP[3:0]
DMI_TX_DN[3:0]
DMI2 Transmit Data Output
Table 4-4. PCI Express* Port 2 Signals (Sheet 2 of 2)
Signal Name Description