參數(shù)資料
型號(hào): 9860
廠商: Intel Corp.
英文描述: Advanced 10/100 Repeater with Intergrated Management
中文描述: 高級(jí)10/100中繼器與綜合管理
文件頁(yè)數(shù): 41/118頁(yè)
文件大小: 1648K
代理商: 9860
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Advanced 10/100 Repeater with Integrated Management
LXT9860/9880
Datasheet
Document #: 248987
Revision#: 003
Rev Date: 08/07/01
41
3.7.4.3
Activity Graph LEDs
The ACTGLED10 and ACTGLED100 LEDs are for activity bar graphing. The activity
information is integrated and updated over a period of 328.125 ms, which has the effect of
smoothing out the activity. LEDs are provided for both the 10 Mbps and 100 Mbps segments.
There are two display modes for the activity bar graphs, Base-2 and Base-10. The modes are
selected via the LEDABGSEL pin. Refer to
Table 13
for details. Each step LED on the bar graph is
lit when the percent activity value associated with that step is met or exceeded.
Figure 7. Serial LED Port Signaling
Table 12. Serial LED Port Bit Stream
Bit
MII Ports-LED1, 2, 3
Misc.
ACTGLED10
ACTGLED100
7
MII Port 1 - LED1
Collision - 10M
1
ACTG8
ACTG8
6
MII Port 1 - LED2
Collision - 100M
1
ACTG7
ACTG7
5
MII Port 1 - LED3
Manager Present
ACTG6
ACTG6
4
MII Port 2 - LED1
Activity - 10M
1
ACTG5
ACTG5
3
MII Port 2 - LED2
Activity - 100M
1
ACTG4
ACTG4
2
MII Port 2 - LED3
Global Fault
ACTG3
ACTG3
1
Not Used
Not Used
ACTG2
ACTG2
0
Not Used
RPS Fault
ACTG1
ACTG1
1. These LEDs are multiplexed with Configuration Inputs.
LEDDAT
MII PORTS-LED1,2,3
Misc. LEDs
ACTGLED10
ACTGLED100
Time
LEDLAT
LEDDAT
LEDLAT
b0
b1
b2
b3
b4
b5
b6
b7
LEDCLK
Qa
-Qh
(
595)
Qa-Qh (
164)
b0, b7-b1
b1, b0, b7-b2
b2-b0, b7-b3
b3-b0, b7-b4
b4-b0, b7-b5
b5-b0, b7-b6
b6-b0, b7
b7-b0
b7-b0
Qa-Qh
(
595)
b7-b0
b7-b0
LEDDAT
LEDLAT
LEDCLK
122
μ
s
100 ns / 10 MHz
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