Specifications

I/O Port 6-3
The two Up Hose HDRs receive packets from the four Up Hoses (two
hoses per HDR) and transmit them to the IDRs through the Turbo Vortex
bus. The other two Down Hose HDRs receive packets from the IDRs
through the Turbo Vortex bus and transmit them to the four Down Hoses
(two hoses per HDR).
Figure 6-2 shows the major blocks of the KFTHA module.
Figure 6-2 I/O Port Block Diagram
6.3 I/O Port Transactions
The I/O port, together with the I/O adapter modules, provides the interface
path between the TLSB and the I/O devices. The I/O port transfers infor-
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BXB0795.AI
Turbo Vortex Bus A
IDR_3
ICR
128
MSB
16
ABT244 ABT244 ABT244 ABT244

KFTHA Module
Hose 3
Hose 2
Hose 3
Hose 2
Hose 1
Hose 0
Hose 1
Hose 0
16
16
16
16
16
16
Down
HDR
Up
HDR
Down
HDR
Up
HDR
64
64
64
64
32
32
32
32
32
32
32
32
ADDR
CNTL
128
LSB
DC/DC
Converter
IDR_2
IDR_1
IDR_0
TLSB Bus
Turbo Vortex Bus B