AM79C985KCW AMD [Advanced Micro Devices], AM79C985KCW Datasheet - Page 33

• Manufacturer Part Number: AM79C985KCW
• Manufacturer: AMD [Advanced Micro Devices]

RST
(Note: In a multiple eIMR+ system, the reset
signal must be synchronized to CLK.)
20 MHz
OSC
D
P C
Q
Q
1 k
74LS74
SELI_0
SELI_1
DAT JAM ACK COL
D
P C
eIMR+
Figure 13. eIMR+ Internal Arbitration Mode Connection
Q
Q
SELO
Figure 14. IMR+ Mode External Arbitration
V
DD
CLK
SELI_0
RST
CLK
SELI_0
RST
SELI_1
SELI_1
P R E L I M I N A R Y
SELI_0
SELI_1
DAT JAM ACK COL
Am79C985
SELO
SELO
eIMR+
eIMR+
eIMR+
COL ACK SEL1 SEL2 SEL3
SELO
Arbiter
1 k
SELI_0
RST
CLK
SELI_1
SELI_0
SELI_1
DAT JAM ACK COL
GCOL
SELO
eIMR+
eIMR+
~1 k
SELO
~1 k
V
DD
V
20651B-18
20651B-19
DD
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