參數(shù)資料
型號: KSZ8851-16MLLJ
廠商: Micrel Inc
文件頁數(shù): 58/90頁
文件大?。?/td> 0K
描述: IC CTLR MAC 1PORT NON-PCI 48LQFP
標(biāo)準(zhǔn)包裝: 250
控制器類型: 以太網(wǎng)控制器,MAC/PHY
接口: 總線
電源電壓: 1.8V,2.5V,3.3V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 48-LQFP
供應(yīng)商設(shè)備封裝: 48-LQFP(7x7)
包裝: 托盤
其它名稱: 576-3629
KSZ8851-16MLLJ-ND
Micrel, Inc.
KSZ8851-16MLLJ
March 2010
61
M9999-030210-1.0
RXQ Command Register (0x82 – 0x83): RXQCR (Continued)
Bit
Default Value
R/W
Description
2-1
-
RW
Reserved.
0
0x0
RW
RRXEF Release RX Error Frame
When this bit is written as 1, the current RX error frame buffer is released.
Note: This bit is self-clearing after the frame memory is released. The software should
wait for the bit to be cleared before processing new RX frame.
TX Frame Data Pointer Register (0x84 – 0x85): TXFDPR
The value of this register determines the address to be accessed within the TXQ frame buffer. When the AUTO increment
is set, It will automatically increment the pointer value on write accesses to the data register.
The counter is incremented by one for every byte access, by two for every word access, and by four for every double
word access.
Bit
Default Value
R/W
Description
15
-
RO
Reserved.
14
0x0
RW
TXFPAI TX Frame Data Pointer Auto Increment
When this bit is set, the TX Frame data pointer register increments automatically on
accesses to the data register. The increment is by one for every byte access, by two for
every word access, and by four for every doubleword access.
When this bit is reset, the TX frame data pointer is manually controlled by user to access
the TX frame location.
13-11
-
RO
Reserved.
10-0
0x000
RO
TXFP TX Frame Pointer
TX Frame Pointer index to the Frame Data register for access.
This field reset to next available TX frame location when the TX Frame Data has been
enqueued through the TXQ command register.
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