AM79C987 AMD [Advanced Micro Devices], AM79C987 Datasheet - Page 6
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AM79C987
Manufacturer Part Number
AM79C987
Description
Hardware Implemented Management Information Base (HIMIB) Device
Manufacturer
AMD [Advanced Micro Devices]
Datasheet
1.AM79C987.pdf
(30 pages)
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CS
Chip Select
Input, Active LOW
The chip-select input, when asserted, enables a read
from or a write to the 8-bit parallel port of the HIMIB
device.
RDY
Ready
Output, Open Drain
Ready is driven LOW at the start of every read or write
cycle and is released when the HIMIB device is ready
to complete the transaction.
6
P R E L I M I N A R Y
Am79C987
INT
Interrupt
Output, Active LOW, Open Drain
Interrupt is driven LOW when any of the unmasked
(enabled) interrupts occur.
V
Power
This pin supplies +5 V to the device. Connect to DV
of the IMR+ device.
V
Ground
These two pins are the 0 V reference for the device.
Connect to DV
DD
SS
SS
of the IMR+ device.
DD