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DM9013 数据表(PDF) 53 Page - Davicom Semiconductor, Inc.

部件名 DM9013
功能描述  10/100 Mbps 3-port Ethernet Switch Controller with General Processor Interface
PDF  75 Pages
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制造商  DAVICOM [Davicom Semiconductor, Inc.]
网页  http://www.davicom.com.tw
标志 DAVICOM - Davicom Semiconductor, Inc.

DM9013 数据表(HTML) 53 Page - Davicom Semiconductor, Inc.

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DM9013
3-port switch with Processor Interface
Preliminary datasheet
53
DM9013-15-DS-P03
April 9, 2009
8.13 DAVICOM Specified Receive Error Counter Register (RECR) – 16H
Bit
Bit Name
Default
Description
15-0
Rcv_ Err_ Cnt
0, RO
Receive Error Counter
Receive error counter that increments upon detection of RXER.
Clean by read this register.
8.14 DAVICOM Specified Disconnect Counter Register (DISCR) – 17H
Bit
Bit Name
Default
Description
15-8
Reserved
0, RO
Reserved
7-0
Disconnect
Counter
0, RO
Disconnect Counter that increment upon detection of
disconnection. Clean by read this register.
8.15 Power Saving Control Register (PSCR) – 1DH
Bit
Bit Name
Default
Description
15-12
RESERVED
0,RO
RESERVED
11
PREAMBLEX
0,RW
Preamble Saving Control
when both bit 10and 11 of register 20 are set, the 10M TX
preamble count is reduced.
1: 12-bit preamble bit is reduced.
0: 22-bit preamble bits is reduced.
10
AMPLITUDE
0,RW
10M TX Amplitude Control Disabled
1: when cable is unconnected with link partner, the TX amplitude is
reduced for power saving.
0: disable TX amplitude reduce function
9
TX_PWR
0.RW
TX Power Saving Control Disabled
1: when cable is unconnected with link partner, the driving current
of transmit is reduced for power saving.
0: disable TX driving power saving function
8-0
RESERVED
0,RO
RESERVED



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