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| 型號(hào)： | LAN9117-MT |
| 廠商： | STANDARD MICROSYSTEMS CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | HIGH PERFORMANCE SINGLE-CHIP 10/100 NON-PCI ETHERNET CONTROLLER |
| 中文描述： | 1 CHANNEL(S), 100M bps, LOCAL AREA NETWORK CONTROLLER, PQFP100 |
| 封裝： | ROHS COMPLIANT, TQFP-100 |
| 文件頁(yè)數(shù)： | 71/131頁(yè) |
| 文件大?。?/td> | 1531K |
| 代理商： | LAN9117-MT |
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High Performance Single-Chip 10/100 Non-PCI Ethernet Controller
Datasheet
5.1
SMSC LAN9117
71
Revision 1.1 (05-17-05)
DATASHEET
Register Nomenclature and Access Attributes
5.2
RX and TX FIFO Ports
The LAN9117 contains four host-accessible FIFOs: the RX Status, RX data, TX Status, and TX data
FIFOs. The sizes of the RX and TX data FIFOs, as well as the RX Status FIFO are configurable
through the CSRs.
5.2.1
RX FIFO Ports
The RX data Path consists of two Read-Only FIFOs; the RX Status and data. The RX Status FIFO can
be read from two locations. The RX Status FIFO Port will perform a destructive read, thus “Popping”
the data from the RX Status FIFO. There is also the RX Status FIFO PEEK location. This location
allows a non-destructive read of the top (oldest) location of the FIFO.
The RX data FIFO only allows destructive reads. It is aliased in 8 DWORD locations (accessed from
the bus interface as 8 pairs of atomic 16-bit accesses). The host may access any of the locations since
they all contain the same data and perform the same function.
5.2.2
TX FIFO Ports
The TX data Path consists of two FIFOs, the TX status and data. The TX Status FIFO can be read
from two locations. The TX Status FIFO Port will perform a destructive read, thus “Popping” the data
from the TX Status FIFO. There is also the TX Status FIFO PEEK location. This location allows a non-
destructive read of the top (oldest) location of the FIFO.
SYMBOL
DESCRIPTION
RO
Read Only:
If a register is read only, writes to this register have no effect.
WO
Write Only:
If a register is write only, reads always return 0.
R/W
Read/Write:
A register with this attribute can be read and written
R/WC
Read/Write Clear:
A register bit with this attribute can be read and written. However, a write
of a 1 clears (sets to 0) the corresponding bit and a write of a 0 has no effect.
RC
Read to Clear:
A register bit with this attribute is cleared when read.
LL
Latch Low:
Clear on read of register
LH
Latch High:
Clear on read of register
SC
Self-Clearing
NASR
Not Affected by Software Reset
Reserved
Bits
Unless otherwise stated, reserved fields must be written with zeros to ensure future
compatibility. The value of reserved bits is not guaranteed on a read.
Reserved
Registers
In addition to reserved bits within a register, the LAN9117 contains address locations in the
configuration space that are marked “Reserved. When a “Reserved” register location is read,
a random value can be returned. Registers that are marked as “Reserved” must not be
modified by system software. Writes to “Reserved” registers may cause system failure.
Default
Value Upon
Reset
Upon a Reset (System reset, Software Reset, or POR), the LAN9117 sets its internal
configuration registers to predetermined
default
states. The default state represents the
minimum functionality feature set required to successfully bring up the system. Hence, it does
not represent the optimal system configuration. It is the responsibility of the system
initialization software to properly determine the operating parameters and optional system
features that are applicable, and to program the LAN9117 registers accordingly.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LAN9118 | HIGH PERFORMANCE SINGLE CHIP 10/100NON PCI ETHERNET CONTROLLER |
| LAN9118-MD | HIGH PERFORMANCE SINGLE CHIP 10/100NON PCI ETHERNET CONTROLLER |
| LAN9118-MT | HIGH PERFORMANCE SINGLE CHIP 10/100NON PCI ETHERNET CONTROLLER |
| LAN91C100-FD-SS | FEAST Fast Ethernet Controller with Full Duplex Capability |
| LAN91C100-FD | FEAST FAST ETHERNET CONTROLLER WITH FULL DUPLEX CAPABILITY |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LAN9118 | 制造商:SMSC 制造商全稱:SMSC 功能描述:High Performance Single-Chip 10/100 Non-PCI Ethernet Controller |
| LAN9118_05 | 制造商:SMSC 制造商全稱:SMSC 功能描述:High Performance Single-Chip 10/100 Non-PCI Ethernet Controller |
| LAN9118_07 | 制造商:SMSC 制造商全稱:SMSC 功能描述:High Performance Single-Chip 10/100 Non-PCI Ethernet Controller |
| LAN9118-MD | 功能描述:以太網(wǎng) IC HiPerfrm Sngl-Chip 10/100 Ethrnt RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray |
| LAN9118-MT | 功能描述:以太網(wǎng) IC Ethernet IC 32bit High Performance RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray |
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