AM79C987 AMD [Advanced Micro Devices], AM79C987 Datasheet - Page 20

• Manufacturer Part Number: AM79C987
• Description: Hardware Implemented Management Information Base (HIMIB) Device
• Manufacturer: AMD [Advanced Micro Devices]

SYSTEMS APPLICATIONS
Typical System Interface
The block diagram on this page shows a typical system
interface. A fully managed multiport repeater can be
easily built by interfacing the HIMIB chip with the IMR+
20
System
Host
Bus
Address
Decode
Buffer
Data
Figure 2. HIMIB Device Application Example
CS
C/D
D7–0
RD
WR
RDY
INT
P R E L I M I N A R Y
HIMIB
Am79C987
SCLK
CRS
ACK
COL
DAT
JAM
STR
RST
SO
CK
SI
chip (Am79C981). The HIMIB device interfaces with all
common Microprocessor System Busses with a mini-
mum of external logic. Note that additional buffering of
DAT and JAM are required for most applications. For
more information, refer to the AMD IEEE 802.3 Re-
peater Technical Manual.
CRS
STR
SI
SO
SCLK
X1
IMR+
REQ
Expansion
Bus
17306B-5
AMD