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Functional Description
MVME8100 / MVME8110 Installation and Use (6806800P25J
)
98
4.15.1 Tsi148 VME Controller
The Tsi148 provides the required VME64, VME64X and 2eSST functions. TI SN74VMEH22501
transceivers buffer the VME signals between Tsi148 and the VME backplane. Refer to the
IDT
Tsi148 User's Manual
for additional details and programming information.
4.15.2 Tsi384 PCIe to PCI/PCI-X Bridge
The PCIe to PCI/PCI-X Bridge function required to interface to the Tsi148 is provided by the
Tundra Tsi384 device. The Tsi384 is responsible for bridging bi-directional traffic between the
PCIe switch and the Tundra Tsi148. Per ANSI/VITA 1.5-2003, the theoretical maximum transfer
rate for a 6U VME card in 2eSST mode is 320MBps, or 2.62 Gbps.
4.16 USB
The P5020 / P5010 provides two USB 2.0 controllers with integrated PHYs. The MVME8100 /
MVME8110 routes USB port 1 to the front panel to an upright USB Type A receptacle. The DC
power for the front panel USB port is supplied through Micrel's MIC2076 power switch which
provides soft, current limiting, over current detection and power enable.
The P5020 / P5010 USB port 2 is routed to a USB2512 hub device which provides two
additional downstream USB 2.0 ports. The two additional downstream ports are routed to the
P2 connector for use on the RTM.
4.17 I2C Devices
The P5020 / P5010 provides four I2C controllers, but only controller 1 and controller 4 are used.
The I2C ports are connected to multiple devices such as VPD, SPD, User EEPROMs, switch
configuration EEPROMs, RTC, temperature sensors, RTM EEPROM, XMC EEPROMS, and clock
devices. The RTM and XMC EEPROM addresses are configured such that they do not have an
address conflict with other on board device address. The I2C busses and device addresses are
Содержание MVME8100
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Страница 58: ...Hardware Preparation and Installation MVME8100 MVME8110 Installation and Use 6806800P25J 58 ...
Страница 84: ...Connectors LEDs and Switches MVME8100 MVME8110 Installation and Use 6806800P25J 84 ...
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