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AC208-DS03-R 数据表(PDF) 21 Page - Broadcom Corporation.

部件名 AC208-DS03-R
功能描述  2.5V 10/100-TX 8-Port Repeater/71 Uplink Port with Integrated Bridge
PDF  58 Pages
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制造商  BOARDCOM [Broadcom Corporation.]
网页  http://www.broadcom.com
标志 BOARDCOM - Broadcom Corporation.

AC208-DS03-R 数据表(HTML) 21 Page - Broadcom Corporation.

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Preliminary Data Sheet
AC208
07/08/02
B roa dcom
Document
AC208-DS04-405-R
Pin Descriptions
Page 13
TXOP_7
TXOP_6
TXOP_5
TXOP_4
TXOP_3
TXOP_2
TXOP_1
TXOP_0
104
99
92
87
80
75
68
63
AO
AO
AO
AO
AO
AO
AO
AO
Transmitter Output Positive for both 10BASE-T and 100BASE-TX.
TXON_7
TXON_6
TXON_5
TXON_4
TXON_3
TXON_2
TXON_1
TXON_0
103
100
91
88
79
76
67
64
AO
AO
AO
AO
AO
AO
AO
AO
Transmitter Output Negative for both 10BASE-T and 100BASE-TX.
Table 5: EEPROM Interface
Pin Name
Pin #
Type
Description
PROM_CS
127
O
PROM chip select. Connected to Chip Select pin of 93C46 serial
EEPROM
PROM_CLK LED_D[6]
124
O
PROM Clock. Connected to CLK pin of 93C46 serial EEPROM
PROM_OUT LED_D[5]
123
O
PROM Data Out. Connected to Data_In pin of 93C46 serial
EEPROM
PROM_IN LED_D[7]
125
I,D
PROM Data In. Connected to Data_Out pin of 93C46 serial
EEPROM
Table 6: MDC/MDIO Interface
Pin Name
Pin #
Type
Description
MDC (PROM_CS)
127
I,U
Clock signal between the external device and PHY registers for
communication synchronization
MDIO
128
I/O,D
Data Input/Output. It is a bi-directional data interface used by the
external device to access only the internal PHY registers within
the AC208. This pin has internal pull-down register.
Table 4: Media Dependent Interface Pins (TX) (Cont.)
Pin Name
Pin #
Type
Description



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