參數(shù)資料
型號(hào)： DM9000AEP
廠商： Electronic Theatre Controls, Inc.
英文描述： Ethernet Controller with General Processor Interface
中文描述： 以太網(wǎng)控制器與通用處理器接口
文件頁(yè)數(shù)： 28/56頁(yè)
文件大?。?/td> 1744K
代理商： DM9000AEP
DM9000A
Ethernet Controller with General Processor Interface
Duplex mode
1,RW
Duplex Mode
1 = Full duplex operation. Duplex selection is allowed when
Auto-negotiation is disabled (bit 12 of this register is cleared).
With auto-negotiation enabled, this bit reflects the duplex
capability selected by auto-negotiation
0 = Normal operation
Collision test
0,RW
Collision Test
1 = Collision test enabled. When set, this bit will cause the
collision asserted during the transmit period.
0 = Normal operation
Reserved
0,RO
Reserved
Read as 0, ignore on write
Preliminary datasheet
Version: DM9000A-DS-P03
Apr. 21, 2005
28
0.8
0.7
0.6-0.0
8.2 Basic Mode Status Register (BMSR) - 01
Bit
Bit Name
1.15
100BASE-T4
Default
0,RO/P 100BASE-T4 Capable
1 = DM9000A is able to perform in 100BASE-T4 mode
0 = DM9000A is not able to perform in 100BASE-T4 mode
1,RO/P 100BASE-TX Full Duplex Capable
1 = DM9000A is able to perform 100BASE-TX in full duplex
mode
0 = DM9000A is not able to perform 100BASE-TX in full
duplex mode
1,RO/P 100BASE-TX Half Duplex Capable
1 = DM9000A is able to perform 100BASE-TX in half duplex
mode
0 = DM9000A is not able to perform 100BASE-TX in half
duplex mode
1,RO/P 10BASE-T Full Duplex Capable
1 = DM9000A is able to perform 10BASE-T in full duplex
mode
0 = DM9000A is not able to perform 10BASE-TX in full
duplex mode
1,RO/P 10BASE-T Half Duplex Capable
1 = DM9000A is able to perform 10BASE-T in half duplex
mode
0 = DM9000A is not able to perform 10BASE-T in half
duplex mode
0,RO
Reserved
Read as 0, ignore on write
1,RO
Frame Preamble Suppression
Description
1.14
100BASE-TX
full-duplex
1.13
100BASE-TX
half-duplex
1.12
10BASE-T
full-duplex
1.11
10BASE-T
half-duplex
1.10-1.7
Reserved
1.6
MF preamble
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