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DM9103EP датащи(PDF) 13 Page - Davicom Semiconductor, Inc.

номер детали DM9103EP
подробное описание детали  10/100 Mbps 3-port Ethernet Switch Controller with PCI Interface
PDF  89 Pages
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производитель  DAVICOM [Davicom Semiconductor, Inc.]
домашняя страница  http://www.davicom.com.tw
Logo DAVICOM - Davicom Semiconductor, Inc.

DM9103EP датащи(HTML) 13 Page - Davicom Semiconductor, Inc.

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DM9103
3-port switch with PCI Interface
Preliminary datasheet
13
DM9103-DS-P02
September 26, 2007
5.2.2 RMII Interfaces
Pin No.
Pin Name
I/O
Description
55
MDC
O,PD MII Serial Management Data Clock
56
MDIO
I/O
MII Serial Management Data
58,59
TXD2_3~2
O
Reserved
60,61
TXD2_1~0
O,PD RMII Transmit Data
63
TXE2
O,PD RMII Transmit Enable.
64
TXC2
O
Reserved
65
CRS2
I
RMII CRS_DV
66
COL2
I
Reserved
67
RXER2
I
Reserved
68
RXC2
I
50MHz reference clock.
70
RXDV2
I
Reserved
71,72
RXD2_3~2
I
Reserved
73,74
RXD2_1~0
I
RMII Receive Data.
5.2.3 Reverse MII Interfaces
Pin No.
Pin Name
I/O
Description
55
MDC
O,PD Reserved
56
MDIO
I/O
Reserved
58,59,60,61
TXD2_3~0
O,PD Port 2 MII Transmit Data
4-bit nibble data outputs (synchronous to the TXC2)
63
TXE2
O,PD Port 2 MII Transmit Enable
64
TXC2
O
25MHz clock output
65
CRS2
O
Port 2 carrier sense output when TXE2 or RXDV2
asserted.
66
COL2
O
Port 2 collision output when TXE2 and RXDV2
asserted.
67
RXER2
I
Port 2 MII Receive Error
68
RXC2
I
Port 2 MII Receive Clock
70
RXDV2
I
Port 2 MII Receive Data Valid
71,72,73,74
RXD2_3~0
I
Port 2 MII Receive Data
4-bit nibble data input (synchronous to RXC2)
5.3 EEPROM Interfaces
Pin No.
Pin Name
I/O
Description
49
EEDI
I,PD
EEPROM Data In
50
EEDO
O,PD
EEPROM Data Out
This pin is used serially to write op-codes, addresses and
data into the EEPROM.
51
EECK
O,PD
EEPROM Serial Clock
This pin is used as the clock for the EEPROM data transfer.
52
EECS
O,PD
EEPROM Chip Selection.



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