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AC207-DS00-R 数据表(PDF) 25 Page - Broadcom Corporation.

部件名 AC207-DS00-R
功能描述  2.5V 10/100-TX 8-Port Repeater with Integrated Bridge
PDF  60 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  BOARDCOM [Broadcom Corporation.]
网页  http://www.broadcom.com
标志 BOARDCOM - Broadcom Corporation.

AC207-DS00-R 数据表(HTML) 25 Page - Broadcom Corporation.

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Preliminary Data Sheet
AC207
07/08/02
B roa dcom
Document
AC207-DS04-405-R
Pin Descriptions
Page 15
LED DISPLAY/CONFIGURATION/PROM INTERFACE
The LED pins are shared with reset-read configuration pins, test pins and EEPROM interface. The value applied on the
reset-read pins is only valid at the end of the reset cycle. The EEPROM interface is active after the reset cycle. Once the
data in the EEPROM is read, the same pins are used for LED display. 48 LED outputs are available through an 6x8 matrix.
Table 9: LED Pins
Pin Name
Pin #
Type
Description
LED_LN[5]
LED_LN[4]
LED_LN[3]
LED_LN[2]
LED_LN[1]
LED_LN[0]
50
51
52
53
54
55
O
48 mA
Enable corresponding LED display line in the display matrix, active low out-
put. The detail of how to program and connect the LEDs is in the LED Setup
section.
LED_LN*[5]: Display 10BT collision rate and segment collision status.
LED_LN*[4]: Display 100-Mbps Collision rate and segment collision status
LED_LN*[3]: Display 10M segment utilization rate
LED_LN*[2]: Display 100M segment utilization rate
LED_LN*[1]: Programmable LED display. The default is to display 10M Link/
Activity information of each port.
LED_LN*[0]: Programmable LED display. The default is to display 100M
Link/Activity information of each port.
LED_D[7]
LED_D[6]
LED_D[5]
LED_D[4]
LED_D[3]
LED_D[2]
LED_D[1]
LED_D[0]
125
124
123
122
121
120
119
118
I/O, D
Output for LED display information of each column in the display matrix. Ac-
tive high output.
Table 10: Configuration and Set-up
Pin Name
Pin #
Type
Description
Mode[3] (MII_RXD2)
Mode[2] (LED_D[4])
Mode[1] (LED_D[1])
Mode[0] (LED_D[0])
37
122
119
118
I,D
Mode[3:2] MII
00
MII
01
7-wire
10
not used
11
not used
TP125 (MII_RXD1)
36
I
1:select 1:1.25 xformer
ChipID[1] (LED_D[2]) Chip-
ID[0] (LED_D[3])
120
121
I,D
The device must be assigned with ChipID=0
IBREF
112
I
Reference bias resistor. Connected to analog ground through a
10k (1%) resistor.



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