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參數(shù)資料
| 型號： | W89C982AF |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 英文描述： | INTEGRATED MULTIPLE REPEATER II |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, PQFP100 |
| 封裝： | QFP-100 |
| 文件頁數(shù)： | 4/28頁 |
| 文件大小： | 277K |
| 代理商： | W89C982AF |
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Preliminary W89C982AF
- 4 -
PIN DESCRIPTION
NETWORK INTERFACE PINS
NAME
NO.
I/O
DESCRIPTION
DO+
DO-
4
3
O
AUI Transmit Output:
Differential line driver that sends differential signal to Medium
Attached Unit (MAU). These pins require a 270 ohm pull-down
resistor to GND.
DI+
DI-
98, 97
I
AUI Receive Input:
Differential receiver that receives the AUI-compliant receive signal
from MAU.
CI+
CI-
100, 99
I
AUI Collision Input:
Differential receiver that receives the AUI-compliant collision
signal from MAU.
DT0+
to
DT7+
5, 11, 15,
20, 63, 68,
72, 78
O
Data Positive:
Transmit data driver positive that transmits data on the twisted pair
line. The driver will source or sink 32 mA. The driver is low during idle.
DT0-
to
DT7-
6, 12, 16,
21, 62, 67,
71, 77
O
Data Negative:
Transmit data driver negative that transmits inverted data on the
twisted pair line. The driver will source or sink 32 mA. Driver is low
during idle.
DD0+
to
DD7+
8, 13, 17,
23, 60, 66,
70, 75
O
Delayed Data Positive:
Transmit data driver positive that transmits delayed inverted data
on the twisted pair line. The driver will source or sink 32 mA.
Driver is low during idle.
DD0-
to
DD7-
9, 14, 18,
24, 59, 65,
69, 74
O
Delayed Data Negative:
Transmit data driver negative that transmits delayed data on the
twisted pair line. The driver will source or sink 32 mA. Low during
idle.
RD0+
to
RD7+
96, 93, 91,
89, 86, 84,
82, 80
I
Twisted Pair Line Receive Positive:
Positive data from the twisted pair line are received by the internal
receiver through this pin.
RD0-
to
RD7-
95, 92, 90,
88, 85, 83,
81, 79
I
Twisted Pair Line Receive Negative:
Negative data from the twisted pair line are received by the
internal receiver through this pin.
INTER-IMPR II INTERFACE PINS
ICRS
46
O
Inter-IMPR II Carrier Output:
The inter-IMPR II carrier (an active low on this pin) will be present
when the IMPR II is repeating packets. The IMPR IIs output this
signal to the interface of inter-IMPR II for retransmitting valid
packets or propogating network collision messages to other IMPR
IIs.
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