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參數(shù)資料
| 型號(hào)： | KSZ8851SNL-BBE-EVAL |
| 廠商： | Micrel Inc |
| 文件頁數(shù)： | 24/80頁 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL MAC/PHY FOR KSZ8851 |
| 軟件下載： | KSZ8851SNL Linux Driver Linus' GIT Repo View Driver |
| 設(shè)計(jì)資源： | Zippy2 Schematic BeagleBoard Zippy2 KSZ8851SNL-BBE-EVAL Bill of Materials |
| 特色產(chǎn)品： | Zippy 2 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | LinkMD® |
| 主要目的： | 接口，以太網(wǎng)控制器（PHY 和 MAC） |
| 嵌入式： | 否 |
| 已用 IC / 零件： | KSZ8851SNL |
| 主要屬性： | 1 個(gè)端口，100BASE-TX/10BASE-T |
| 次要屬性： | SPI 接口，LinkMD 線纜診斷 |
| 已供物品： | 板，硬件 |
| 產(chǎn)品目錄頁面： | 1114 (CN2011-ZH PDF) |
| 其它名稱： | 576-3602 KSZ8851SNL-BBE-EVL ZIPPY2 |
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Micrel, Inc.
KSZ8851SNL/SNLI
30
M9999-083109-2.0
Driver Routine for Receive Packet from KSZ8851SNL to Host Processor
The software driver receives data packet frames from the KSZ8851SNL device either as a result of polling or an interrupt
based service. When an interrupt is received, the OS invokes the interrupt service routine that is in the interrupt vector
table.
If your system has OS support, to minimize interrupt lockout time, the interrupt service routine should handle at interrupt
level only those tasks that require minimum execution time, such as error checking or device status change. The routine
should queue all the time-consuming work to transfer the packet from the KSZ8851SNL RXQ into system memory at task
level. The following Figure 13 shows the step-by-step for receive packets from KSZ8851SNL to host processor.
Note: Each DMA read operation from the host CPU to read RXQ frame buffer, the first read data (byte in 8-bit bus mode,
word in 16-bit bus mode and double word in 32-bit bus mode) is dummy data and must be discarded by host CPU.
Afterward, host CPU must read each frame data to align with double word boundary at end. For example, the host CPU
has to read up to 68 bytes if received frame size is 65 bytes.
Figure 13. Host RX Single or Multiple Frames in Auto-Dequeue Flow Diagram
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| KSZ8851SNL-BBE-EVL | 制造商:Micrel Inc 功能描述:BOARD EVAL MAC/PHY FOR KSZ8851 |
| KSZ8851SNL-EVAL | 功能描述:以太網(wǎng)開發(fā)工具 Single Ethernet Port + SPI Bus Interface(Lead Free) Eval Board RoHS:否 制造商:Micrel 產(chǎn)品:Evaluation Boards 類型:Ethernet Transceivers 工具用于評(píng)估:KSZ8873RLL 接口類型:RMII 工作電源電壓: |
| KSZ8851SNL-EVAL | 制造商:Micrel Inc 功能描述:BOARD EVALUATION FOR KSZ8851SNL |
| KSZ8851SNLI TR | 功能描述:以太網(wǎng) IC 10/100BT Ethernet MAC + PHY with SPI Bus Interface (I-Temp, 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 |
| KSZ8851SNLITR | 制造商:Micrel 功能描述:Ethernet Controller Single Chip 100Mbps |
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