參數(shù)資料
型號(hào): DM9601E
廠商: Electronic Theatre Controls, Inc.
英文描述: USB Ethernet MAC Controller with Intergrated 10/100 PHY
中文描述: USB以太網(wǎng)MAC控制器與集成10/100網(wǎng)卡芯片
文件頁數(shù): 20/58頁
文件大小: 603K
代理商: DM9601E
DM9601
USB to Ethernet MAC Controller with Integrated 10/100 PHY
20
Final
Version: DM9601-DS-F01
June 22, 2002
10.3 TX Control Register (02H)
Bit
7
6
Name
RESERVED
TJDIS
Default
0,RO
0,RW
Description
Reserved
Transmit Jabber Disable
When set, the transmit Jabber Timer(2048 bytes) is disabled. Otherwise it is
enabled
Excessive Collision Mode Control
0 = abort this packet when excessive collision count more than 15
1 = still try to transmit this packet
PAD appends disable for packet index 2.
5
EXCECM
0,RW
4
PAD_DIS2
0,RW
3
CRC_DIS2
0,RW
CRC appends disable for packet index 2
2
1
PAD_DIS1
CRC_DIS1
0,RW
0,RW
PAD appends disable for packet index 1
CRC appends disable for packet index 1
0
RESERVED
0,RO
Reserved
10.4 TX Status Register I ( 03H ) for packet index I
Bit
7
Name
TJTO
Default
0,RO
Description
Transmit Jabber Time Out
It is set to indicate the transmitted frame is truncated due to more than 2048 bytes
are transmitted
Loss of Carrier
It is set to indicate the loss of carrier during the frame transmission. It is not valid in
internal loopback mode
No Carrier
It is set to indicate that there is no carrier signal during the frame transmission. It is
not valid in internal loopback mode
Late Collision
It is set to indicate that a collision occurs after the collision window of 64 bytes.
Collision packet, collision occurs during transmission.
Excessive collision
It is set to indicate that the transmission is aborted due to 16 excessive collisions.
Reserved
6
LC
0,RO
5
NC
0,RO
4
LC
0,RO
3
2
COL
EC
0,RO
0,RO
1:0
RESERVED
0,RO
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