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參數(shù)資料
| 型號(hào)： | KSZ8841-16MVLI |
| 廠商： | Micrel Inc |
| 文件頁(yè)數(shù)： | 66/105頁(yè) |
| 文件大小： | 0K |
| 描述： | IC MAC CTRLR 8/16BIT 128-LQFP |
| 標(biāo)準(zhǔn)包裝： | 90 |
| 控制器類型： | 以太網(wǎng)控制器，MAC |
| 接口： | 總線 |
| 電源電壓： | 3.1 V ~ 3.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 128-LQFP |
| 供應(yīng)商設(shè)備封裝： | 128-LQFP（14x14） |
| 包裝： | 托盤 |
| 產(chǎn)品目錄頁(yè)面： | 1081 (CN2011-ZH PDF) |
| 配用： | 576-1632-ND - BOARD EVALUATION KSZ8841-16MVL |
| 其它名稱： | 576-2114 KSZ8841-16MVLI-ND |
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Micrel, Inc.
KSZ8841-16/32 MQL/MVL/MBL
October 2007
63
M9999-102207-1.6
Bank 16 Transmit Control Register (0x00): TXCR
This register holds control information programmed by the CPU to control the QMU transmit module function.
Bit
Default Value
R/W
Description
15
-
RO
Reserved.
14-13
0x0
RW
Reserved.
12-4
-
RO
Reserved.
3
0x0
RW
TXFCE Transmit Flow Control Enable
When this bit is set and the KSZ8841M is in full-duplex mode, flow control is enabled. The
KSZ8841M transmits a PAUSE frame when the Receive Buffer capacity reaches a threshold
level that will cause the buffer to overflow.
When this bit is set and the KSZ8841M is in half-duplex mode, back-pressure flow control is
enabled. When this bit is cleared, no transmit flow control is enabled.
2
0x0
RW
TXPE Transmit Padding Enable
When this bit is set, the KSZ8841M automatically adds a padding field to a packet shorter than
64 bytes.
Note: Setting this bit requires enabling the add CRC feature to avoid CRC errors for the
transmit packet.
1
0x0
RW
TXCE Transmit CRC Enable
When this bit is set, the KSZ8841M automatically adds a CRC checksum field to the end of a
transmit frame.
0
0x0
RW
TXE Transmit Enable
When this bit is set, the transmit module is enabled and placed in a running state. When reset,
the transmit process is placed in the stopped state after the transmission of the current frame
is completed.
Bank 16 Transmit Status Register (0x02): TXSR
This register keeps the status of the last transmitted frame.
Bit
Default Value
R/W
Description
15
0x0
RO
Reserved.
14
0x0
RO
TXUR Transmit Underrun
This bit is set when underrun occurs.
Note: This is a fatal status. Software should guarantee that no underrun condition occurred
when enabling the early transmit function. The system or the QMU requires a reset or restart
to recover from an underrun condition.
To aviod transmit underun condition, the user has to make sure that the host interface speed
(bandwidth) is faster than the ethernet port.
13
0x0
RO
TXLC Transmit Late Collision
This bit is set when a transmit Late Collision occurs.
12
0x0
RO
TXMC Transmit Maximum Collision
This bit is set when a transmit Maximum Collision is reached.
11-6
-
RO
Reserved.
5-0
-
RO
TXFID Transmit Frame ID
This field identifies the transmitted frame. All of the transmit status information in this register
belongs to the frame with this ID.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| KSZ8841-16MVLI TR | 功能描述:以太網(wǎng) IC Single Ethernet Port + Generic (8, 16-bit) bus interface(Lead Free) 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 |
| KSZ8841-32MQL | 功能描述:以太網(wǎng) IC Single Ethernet Port + Generic (32-bit) bus interface(Lead Free) 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 |
| KSZ8841-32MVL | 功能描述:以太網(wǎng) IC Single Ethernet Port + Generic (32-bit) bus interface(Lead Free) 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 |
| KSZ8841-32MVLI | 功能描述:以太網(wǎng) IC Single Ethernet Port + Generic (32-bit) bus interface(Lead Free) 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 |
| KSZ8841P | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Ethernet MAC Controller with PCI Interface |
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