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參數(shù)資料
| 型號： | 9883 |
| 廠商： | Intel Corp. |
| 英文描述： | Advanced 10/100 Umnmanaged Repeater |
| 中文描述： | 高級10/100 Umnmanaged直放站 |
| 文件頁數(shù)： | 14/56頁 |
| 文件大?。?/td> | 719K |
| 代理商： | 9883 |
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LXT9883/9863
—
Advanced 10/100 Unmanaged Repeater
14
Datasheet
Document #: 249115
Revision #: 003
Rev. Date: 08/07/01
Table 5. LED Signal Descriptions
Pin
Symbol
Type
1, 2
Description
184
185
LEDSEL0
LEDSEL1
I
3
O - OD/OS
LED Mode Select
- Input. See Note 3 in footer below.
00 = Mode 1, 01 = Mode 2, 10 = Mode 3, 11 = Mode 4
These pins are shared with the LEDACT100, LEDCOL10 outputs.
175
LEDABGSEL
I
3
O - OD/OS
LED Activity Bar Graph Mode Select
- Input. See Note 2 in footer below.
0 = Base-10 Mode, 1 = Base-2 Mode
Refer to
"Activity Graph LEDs
”
on page 23.
This pin is shared with the Port8_LED2 output.
183
AUTOBLINK
I
3
O - OD/OS
LED Blink Mode Select
- Input. See Note 3 in footer below.
0 = Auto blink on, 1 = Auto blink off
This pin is shared with the LEDACT100, LEDCOL10 outputs.
83
LEDDAT
O
LED Data
. Serial data stream that is shifted into external Serial-to-Parallel
LED drivers. See
"Serial LED Interface
”
on page 22..
84
LEDLAT
O
LED Latch
. Parallel load clock for external Serial-to-Parallel LED drivers.
See
"Serial LED Interface
”
on page 22..
82
LEDCLK
O
LED Clock
. Serial data stream clock for external Serial-to-Parallel LED
drivers. See
"Serial LED Interface
”
on page 22..
176
171
167
163
101
97
93
89
PORT8_LED1
PORT7_LED1
PORT6_LED1
PORT5_LED1
PORT4_LED1
PORT3_LED1
PORT2_LED1
PORT1_LED1
O
OD
LED Driver 1 - Ports 1 through 8
. Programmable LED driver. Active Low.
See
"Direct Drive LEDs
”
on page 24..
Port8_LED1 must be pulled High via a 100
–
500 k
resistor if LED circuit
not used.
175
170
166
162
100
96
92
88
PORT8_LED2
PORT7_LED2
PORT6_LED2
PORT5_LED2
PORT4_LED2
PORT3_LED2
PORT2_LED2
PORT1_LED2
O
OD
LED Driver 2 - Ports 1 through 8
. Programmable LED driver. Active Low.
See
"Direct Drive LEDs
”
on page 24..
The Port8_LED2 pin is shared with the LEDABGSEL configuration input.
174
169
165
161
99
95
91
87
PORT8_LED3
PORT7_LED3
PORT6_LED3
PORT5_LED3
PORT4_LED3
PORT3_LED3
PORT2_LED3
PORT1_LED3
O
OD
LED Driver 3 - Ports 1 through 8
. Programmable LED driver. Active Low.
See
"Direct Drive LEDs
”
on page 24..
Port8_LED3 must be pulled High via a 100
–
500 k
resistor if LED circuit
not used.
185
COL10_LED
I
O - OD/OS
10M Collision LED Driver
. Active output indicates collision on 10M
segment. This pin is shared with the LEDSEL1 configuration input.
1. I = Input, O = Output, I/O = Input/Output, D = Digital, A = Analog, AI = Analog Input, A I/O = Analog Input/Output, OD = Open
Drain,
OS = Open Source, PD = Pull Down, PU = Pull Up. Even if the IRB is not used, required pull-up resistors must be installed as
listed above.
NC = No Clamp. Pad does not clamp input in the absence of power.
2. Pins are 5V tolerant, unless indicated.
3. Input must be static; Refer to
"LED Pins Multiplexed with Configuration Inputs
”
on page 39.
for information on pin use.
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