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參數(shù)資料
| 型號： | MX98715AL |
| 英文描述： | SINGLE CHIP FAST ETHERNET NIC CONTROLLER |
| 中文描述： | 單晶片快速以太網(wǎng)卡控制器 |
| 文件頁數(shù)： | 25/32頁 |
| 文件大?。?/td> | 215K |
| 代理商： | MX98715AL |
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25
P/N:PM0537
REV. 1.2, FEB. 24, 1999
MX98715A
5.2.14 WATCHDOG TIMER ( CSR15)
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MBZ-Must Be Zero
RWR-Receive Watchdog Release
PWD-Receive Watchdog Disable
JCK-Jabber Clock
HUJ-Host Unjabber
JAB-Jabber Disable
Field
5
Name
RWR
Description
Defines the time interval no carrier from receive watchdog expiration until reenabling the
receive channel. When set, the receive watchdog is release 40-48 bit times from the last
carrier deassertion. When reset, the receive watchdog is released 16 to 24 bit times from
the last carrier deassertion.
When set, the receive watchdog counter is disable. When reset, receive carriers longer
than 2560 bytes are guaranted to cause the watchdog counter to time out. Packets shorter
than 2048 bytes are guaranted to pass.
When set, transmission is cut off after a range of 2048 bytes to 2560 bytes is transmitted,
When reset, transmission for the 10 Base-T port is cut off after a range of 26 ms to 33ms.
When reset, transmission for the 100 Base-TX port is cut off after a range of 2.6ms to
3.3ms.
Defines the time interval between transmit jabber expiration until reenabling of the
transmit channel. When set, the transmit channel is released immediately after the jabber
expiration.
When reset, the jabber is released 365ms to 420 ms after jabber expiration for 10 Base-T
port. When reset, the jabber is released 36.5ms to 42ms after the jabber exporation for
100 Base-TX port.
Jabber Disable, set to disable transmit jabber function.
4
RWD
2
JCK
1
HUJ
0
JBD
Field
18
17
16
Name
T4
TXF
TXH
Decription
Bit 9 of link code word for T4 mode.
Bit 8 of link code word for 100 Base-TX full duplex mode.
Bit 7 of link code word for 100 Base-TX half duplex mode. Meaningful only when CSR14<7>
( ANE ) is set.
Link Test Enable, when set the 10 Base-T port link test function is enabled.
Receive Squelch Enable for 10 Base-T port. Set to enable.
Autonegotiation Enable, .
Half-Duplex Enable, this is the bit 5 of link code word, only meaningful when CSR14<7> is
set.
Reset to power down 10 Base-T module, this will force both TX and RX port into tri-state
and prevent AC current path. Set for normal 10 Base T operation.
Loop back enable for 10 Base-T MCC.
12
8
7
6
LTE
RSQ
ANE
HDE
2
PWD10B
1
LBK
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| MX98715BEC | 制造商:MCNIX 制造商全稱:Macronix International 功能描述:APPLICATION NOTE |
| MX98725 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SINGLE CHIP FAST ETHERNET NIC CONTROLLER |
| MX98726 | 制造商:MCNIX 制造商全稱:Macronix International 功能描述:SINGLE CHIP 10/100 FAST ETHERNET CONTROLLER WITH uP INTERFACE |
| MX98726AEC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Controller Miscellaneous - Datasheet Reference |
| MX98726EC | 制造商:MCNIX 制造商全稱:Macronix International 功能描述:SINGLE CHIP 10/100 FAST ETHERNET CONTROLLER WITH uP INTERFACE |
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