參數(shù)資料
型號： 9860
廠商： Intel Corp.
英文描述： Advanced 10/100 Repeater with Intergrated Management
中文描述： 高級10/100中繼器與綜合管理
文件頁數(shù)： 27/118頁
文件大小： 1648K
代理商： 9860
Advanced 10/100 Repeater with Integrated Management
—
LXT9860/9880
Datasheet
Document #: 248987
Revision#: 003
Rev Date: 08/07/01
27
Table 8. 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 59.
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 LEDACT10 output.
83
LEDDAT
O
LED Data
. Serial data stream that is shifted into external Serial-
to-Parallel LED drivers. See
“
Serial LED Interface
”
on page 40
.
84
LEDLAT
O
LED Latch
. Parallel load clock for external Serial-to-Parallel
LED drivers. See
“
Serial LED Interface
”
on page 40
.
82
LEDCLK
CFG_CLK
O
LED Clock
. Serial data stream clock for external Serial-to-
Parallel LED drivers. See
“
Serial LED Interface
”
on page 40
.
Configuration Bus Clock.
Refer to CFG_DT and CFG_LD pin
description in
Table 11 on page 30
. CFG_CLK pulses whenever a
read of the Serial Configuration Register occurs. See
“
Serial
Configuration Interface
”
on page 60.
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 42.
Port8_LED1 must be pulled High via a 100
–
500k
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 42.
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 42.
Port8_LED3 must be pulled High via a 100
–
500 k
resistor if LED
circuit not used.
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 69
for information
on pin use.
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