AM79C988 AMD [Advanced Micro Devices], AM79C988 Datasheet - Page 14
AM79C988
Manufacturer Part Number
AM79C988
Description
Manufacturer
AMD [Advanced Micro Devices]
Datasheet
1.AM79C988.pdf
(25 pages)
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14
Reset
CLK
Backplane 2
Am79C983
Backplane 1
Am79C983
Am79C983
Backplane 0
IMR2 Device
IMR2 0
IMR2 1
IMR2 2
Figure 4. IMR2 Device To QuIET Device Serial Interface
SDATA[3]
SDATA[2]
SDATA[1]
SDATA[0]
DIR[1]
DIR[0]
MCLK
RST
SDATA[0]
DIR[1]
PDO
PDO
PDO
PDO
PDO
PDO
PDO
PDO
PDO
PDO
PDO
PDO
PCI
PDI
PCI
PDI
PCI
PDI
PDI
PCI
PDI
PCI
PDI
PCI
PDI
PCI
PDI
PCI
PDI
PCI
PDI
PCI
PDI
PCI
PCI
PDI
NC
NC
P R E L I M I N A R Y
Figure 5. Port Switching
Am79C988A
PCI
PCI
PDO
PDI
PDO
PDI
PDO
PDI
PCI
PDO
PDI
PCI
SDATA
DIR
SDATA
DIR
CLK
RST
SDATA
DIR
CLK
RST
SDATA
DIR
CLK
RST
QuIET
QuIET
QuIET
m
C
A
7
9
9
8
8
RX
RX
TX
RX
TX
RX
TX
TX
Device 2
Device 1
Device 0
19880B-8
Port 0
Port 1
Port 2
Port 3
19880B-9