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TVME8300 User Manual Issue 1.4
Page 12 of 70
2.2.4 16550 compatible Dual UART
The TVME8300 uses the Exar XR16C2550 16550 compatible dual UART with a 1.8432 MHz clock-
oscillator, providing two asynchronous serial ports.
Please refer to the XR16C2550 manual for details.
2.2.5 Utility Registers
The TVME8300 provides some additional registers for board control and status functions.
Please refer to the address map section of this manual for details.
2.3 PCI
Bus
The TVME8300 implements a 32 bit, 33 MHz PCI bus.
The following devices are available on the TVME8300 PCI bus:
•
MPC8245 Integrated Host PowerPC Processor (Motorola)
•
Universe-II VME / PCI Bridge (Tundra)
•
82551ER Fast Ethernet Controller (Intel)
•
PCI9030 PCI Target Chip (PLX Technology)
•
Optional PCI Devices on PCI Expansion Connector (e.g. PMCspan, IPspan)
•
The MPC8245 integrated PCI Arbiter is used for PCI bus arbitration.
Please see the PCI Bus Overview section for more details.