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參數(shù)資料
| 型號： | LAN83C175 |
| 廠商： | STANDARD MICROSYSTEMS CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | Ethernet CARDBUS Integrated Controller With Modem Support |
| 中文描述： | 1 CHANNEL(S), 100M bps, LOCAL AREA NETWORK CONTROLLER, PQFP208 |
| 封裝： | 28 X 28 MM, 1.40 MM HEIGHT, TQFP-208 |
| 文件頁數(shù)： | 54/92頁 |
| 文件大?。?/td> | 299K |
| 代理商： | LAN83C175 |
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54
BC - PREEMPTIVE INTERRUPT
Reset Value: 00000000000
This register is used to set the preemptive
interrupt value, the number of bytes before the
end of a packet that a packet received
interrupt will be issued. The register is
writable but is not readable.
10 through 0 - PREEMPTIVE INTERRUPT
VALUE: This value is the number of bytes
before the end of the packet that the interrupt
will be issued.
C0
DESCRIPTOR ADDRESS
Reset Value:
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx00
-
CardBus
TRANSMIT
FIRST
This register contains the byte address of the
first descriptor for the current transmit packet.
It is the location in host memory where the
transmit
status
will
transmission is complete. The two lsb’s are
fixed at zero so the address will always be
dword aligned. This register is automatically
written with the same data as the PTCDAR
register whenever a write to that register
occurs.
be
posted
when
31 through 2 - CardBus Address.
1 and 0 - Not writable - always return zeroes.
C4
DESCRIPTOR ADDRESS
Reset Value:
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX0
0
-
CardBus
TRANSMIT
CURRENT
This register contains the byte address (in host
memory) of the next descriptor that the transmit
DMA will read. The two low significant bits are
fixed at zero so the address will always be dword
aligned. This register must be initialized once after
reset.
31 through 2: CardBus Address.
1 and 0: Not writable - always return zeroes.
C8
ADDRESS
Reset Value: xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
-
CardBus
TRANSMIT
HOST
DATA
This register contains the address where transmit
packet data is to be read from host memory. The
upper 30 bits are driven onto the CardBus bus as
the dword address, and are incremented each
time a dword is read from host memory. The two
lsb’s always contain the starting byte address of
the data buffer, and are used by the transmit DMA
to control byte alignment.
31 through 2 - CardBus Address.
1 and 0 - Starting Byte Address.
CC - CardBus TRANSMIT FRAGMENT LIST
ADDRESS
Reset Value: xxxxxxxxxxxxxxxxxxxxxxxxxxxxx00
This register contains the current fragment list
address. It is the location in host memory of the
next fragment list entry that the transmit DMA will
read. The two lsb’s are fixed at zero so the
address will always be dword aligned.
31 through 2 - Address.
1 and 0 - Not writable - always return zeroes.
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PDF描述 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LAN83C175TQFP | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:SMC Corporation of America 功能描述:83C175TQFP 制造商:SMSC 功能描述: |
| LAN83C175TQFP WAF | 制造商:SMSC 功能描述: |
| LAN83C180 | 制造商:SMSC 制造商全稱:SMSC 功能描述:10/100 FAST ETHERNET PHY TRANSCEIVER |
| LAN83C180_01 | 制造商:SMSC 制造商全稱:SMSC 功能描述:10/100 Fast Ethernet PHY Transceiver |
| LAN83C180TQFP | 制造商:SMSC 制造商全稱:SMSC 功能描述:10/100 Fast Ethernet PHY Transceiver |
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