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參數(shù)資料
| 型號： | MB86976PF-G |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 2 CHANNEL(S), 10M bps, LOCAL AREA NETWORK CONTROLLER, PQFP144 |
| 封裝： | PLASTIC, QFP-144 |
| 文件頁數(shù)： | 2/46頁 |
| 文件大小： | 212K |
| 代理商： | MB86976PF-G |
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xDSL WAN Ethernet Bridge Controller
10
Fujitsu Microelectronics, Inc.
Advanced 11/5/98
Functional Description
The MB86976 provides remote bridging of data between a
10 Mbps Ethernet LAN and a multi-protocol point-to-point
WAN. The WAN port supports a serial datastream with a
maximum bit rate of 8 Mbps. Advanced address filtering and user-
defined content filtering enable high-performance bridging and
routing functions.
The MB86976 requires only a low cost microcontroller, a
256Kx16 DRAM, an Ethernet transceiver, and an xDSL modem
or T1 framer to create a complete system configuration.
The Functional Block Diagram shows the five major blocks of the
MB86976: LAN Interface, WAN Interface, Processor Interface,
DRAM Interface, and Memory Controller. A functional overview
of each interface, the device’s bridging functions (including LAN
and WAN filtering), and its related system features are described
here.
Functional Block Diagram
L
A
N
In
te
rf
ac
e
Processor Interface
W
A
N
In
te
rf
ac
e
L
A
N
F
il
te
r
W
A
N
F
il
te
r
DRAM Interface
WRXD
WRXC
WRXE
WTXD
WTXC
WTXE
C
P
D
[1
5
:0
]
B
Y
T
E
W
O
R
D
C
P
R
D
C
P
C
S
C
P
W
R
C
P
U
S
E
L
[1
:0
]
C
P
A
[8
:0
]
IN
T
R
E
A
D
Y
TXEN
R
A
M
A
[8
:0
]
R
A
S
C
A
S
R
A
M
W
E
R
A
M
O
E
D
Q
[1
5
:0
]
LTXC
LTXD
LRXD
LRXC
CRS
COL
LINK
MEMORY
CONTROLLER
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