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GE M
S
EDICAL
YSTEMS
D
2300164-100, R
IRECTION
5-4-7
RF and Tissue Processor Board (RFT)
The RF and Tissue Processor Board (RFT) receives data from the BF1 Board in the Front End. Both
types of data samples (RF_MODE) are communicated to the RFT Board from the Front End Controller
Board, via the Front End Bus.
5-4-7-1
Control
The RFT Board has a local DSP with an external EPROM. The DSP performs the following control tasks:
•
Handles communication with the BE over the VME Bus and the PCI Bus.
•
Updates filter coefficients and other parameters in the data path.
•
When output events are received from the FEC, the RFT Board sets up the pipe link to output
control, for data tagging and transfer.
•
During transfer of time motion data, the RFT Board creates a "time slot" data transfer, which
replaces the output event base transfer.
RFT Board
5-24
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7
EVISION
Figure 5-17 RFT Processor Board
Section 5-1 - Overview
V
™ 3 P
/V
™ 3 S
IVID
RO
IVID
To
Image Port
Board
M
ERVICE
ANUAL
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