參數(shù)資料
型號: KSZ8841-16MQL-EVAL
廠商: Micrel Inc
文件頁數(shù): 74/105頁
文件大?。?/td> 0K
描述: BOARD EVALUATION KSZ8841-16MQL
標(biāo)準(zhǔn)包裝: 1
主要目的: 接口,以太網(wǎng)控制器(PHY 和 MAC)
嵌入式:
已用 IC / 零件: KSZ8841-16MQL
主要屬性: 1 個端口,100BASE-TX/10BASE-T
次要屬性: 8/16 位接口,LinkMD 線纜診斷
已供物品: 板,CD,文檔,電源
相關(guān)產(chǎn)品: KSZ8841-16MQL A6-ND - IC MAC CTRLR 8/16BIT 128-PQFP
576-2115-ND - IC MAC CTRLR 32BIT 128-PQFP
576-2112-ND - IC MAC CTRLR 8/16BIT 128-PQFP
其它名稱: 576-1631
Micrel, Inc.
KSZ8841-16/32 MQL/MVL/MBL
October 2007
70
M9999-102207-1.6
Bank 18 Receive Status Register (0x04): RXSR
This register indicates the status of the current received frame and mirrors the Receive Status word of the Receive
Frame in the RXQ.
Bit
Default Value
R/W
Description
15
-
RO
RXFV Receive Frame Valid
When set, it indicates that the present frame in the receive packet memory is valid. The status
information currently in this location is also valid.
When clear, it indicates that there is either no pending receive frame or that the current frame
is still in the process of receiving.
14-8
-
RO
Reserved.
7
-
RO
RXBF Receive Broadcast Frame
When set, it indicates that this frame has a broadcast address.
6
-
RO
RXMF Receive Multicast Frame
When set, it indicates that this frame has a multicast address (including the broadcast
address).
5
-
RO
RXUF Receive Unicast Frame
When set, it indicates that this frame has a unicast address.
4
-
RO
RXMR Receive MII Error
When set, it indicates that there is an MII symbol error on the received frame.
3
-
RO
RXFT Receive Frame Type
When set, it indicates that the frame is an Ethernet-type frame (frame length is greater than
1500 bytes).
When clear, it indicate that the frame is an IEEE 802.3 frame.
This bit is not valid for runt frames.
2
-
RO
RXTL Receive Frame Too Long
When set, it indicates that the frame length exceeds the maximum size of 1916 bytes. Frames
that are too long are passed to the host only if the pass bad frame bit is set (bit 9 in RXCR
register).
Note: Frame too long is only a frame length indication and does not cause any frame
truncation.
1
-
RO
RXRF Receive Runt Frame
When set, it indicates that a frame was damaged by a collision or premature termination
before the collision window has passed. Runt frames are passed to the host only if the pass
bad frame bit is set (bit 9 in RXCR register).
0
-
RO
RXCE Receive CRC Error
When set, it indicates that a CRC error has occurred on the current received frame. A CRC
error frame is passed to the host only if the pass bad frame bit is set (bit 9 in RXCR register)
Bank 18 Receive Byte Count Register (0x06): RXBC
This register indicates the status of the current received frame and mirrors the Receive Byte Count word of the Receive
Frame in the RXQ.
Bit
Default Value
R/W
Description
15-11
-
RO
Reserved.
10-0
-
RO
RXBX Receive Byte Count
Receive byte count.
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