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| 型号： | KSZ8041RNL-EVAL |
| 厂商： | Micrel Inc |
| 文件页数： | 17/54页 |
| 文件大小： | 0K |
| 描述： | BOARD EVALUATION FOR KSZ8041RNL |
| 标准包装： | 1 |
| 主要目的： | 接口，以太网 PHY |
| 嵌入式： | 否 |
| 已用 IC / 零件： | KSZ8041RNL |
| 主要属性： | 单芯片 PHY，10BASE-T/100BASE-TX |
| 已供物品： | 板 |
| 相关产品： | 576-3979-2-ND - IC TXRX PHY 10/100 3.3V 32MLF 576-3745-6-ND - TXRX PHY 100BASE TX 3.3V 32QFN 576-3745-1-ND - TXRX PHY 100BASE TX 3.3V 32QFN 576-3745-2-ND - TXRX PHY 100BASE TX 3.3V 32QFN 576-3623-6-ND - TXRX PHY 10-T/100-TX 3.3V 32MLF 576-3623-1-ND - TXRX PHY 10-T/100-TX 3.3V 32MLF 576-3623-2-ND - TXRX PHY 10-T/100-TX 3.3V 32MLF 576-3503-ND - TXRX 10/100 3.3V PHY RMII 32-MLF |
| 其它名称： | 576-3863 |
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Micrel, Inc.
KSZ8041NL/RNL
September 2010
24
M9999-090910-1.4
MII Signal Definition (KSZ8041NL only)
The Table 2 describes the MII signals. Refer to Clause 22 of the IEEE 802.3 Specification for detailed information.
MII
Signal Name
Direction
(with respect to PHY,
KSZ8041NL signal)
Direction
(with respect to MAC)
Description
TXC
Output
Input
Transmit Clock
(2.5MHz for 10Mbps; 25MHz for 100Mbps)
TXEN
Input
Output
Transmit Enable
TXD[3:0]
Input
Output
Transmit Data [3:0]
RXC
Output
Input
Receive Clock
(2.5MHz for 10Mbps; 25MHz for 100Mbps)
RXDV
Output
Input
Receive Data Valid
RXD[3:0]
Output
Input
Receive Data [3:0]
RXER
Output
Input, or (not required)
Receive Error
CRS
Output
Input
Carrier Sense
COL
Output
Input
Collision Detection
Table 2. MII Signal Definition
Transmit Clock (TXC)
TXC is sourced by the PHY. It is a continuous clock that provides the timing reference for TXEN and TXD[3:0].
TXC is 2.5MHz for 10Mbps operation and 25MHz for 100Mbps operation.
Transmit Enable (TXEN)
TXEN indicates the MAC is presenting nibbles on TXD[3:0] for transmission. It is asserted synchronously with the first
nibble of the preamble and remains asserted while all nibbles to be transmitted are presented on the MII, and is negated
prior to the first TXC following the final nibble of a frame.
TXEN transitions synchronously with respect to TXC.
Transmit Data [3:0] (TXD[3:0])
TXD[3:0] transitions synchronously with respect to TXC. When TXEN is asserted, TXD[3:0] are accepted for transmission
by the PHY. TXD[3:0] is ”00” to indicate idle when TXEN is de-asserted. Values other than “00” on TXD[3:0] while TXEN
is de-asserted are ignored by the PHY.
Receive Clock (RXC)
RXC provides the timing reference for RXDV, RXD[3:0], and RXER.
In 10Mbps mode, RXC is recovered from the line while carrier is active. RXC is derived from the PHY’s reference
clock when the line is idle, or link is down.
In 100Mbps mode, RXC is continuously recovered from the line. If link is down, RXC is derived from the PHY’s
reference clock.
RXC is 2.5MHz for 10Mbps operation and 25MHz for 100Mbps operation.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| KSZ8041RNLI | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:10Base-T/100Base-TX Physical Layer Transceiver |
| KSZ8041RNLI TR | 功能描述:以太网 IC 3.3V, 10Base-T/100Base-TX Physical Layer Transceiver with RMII Support (Industrial grade) RoHS:否 制造商:Micrel 产品:Ethernet Switches 收发器数量:2 数据速率:10 Mb/s, 100 Mb/s 电源电压-最大:1.25 V, 3.45 V 电源电压-最小:1.15 V, 3.15 V 最大工作温度:+ 85 C 封装 / 箱体:QFN-64 封装:Tray |
| KSZ8041RNLI TR-SAMPLE | 制造商:Micrel Inc 功能描述: |
| KSZ8041RNLI-TR | 功能描述:1/1 Transceiver Full RMII 32-MLF? (5x5) 制造商:microchip technology 系列:- 包装:剪切带（CT） 零件状态:有效 类型:收发器 协议:RMII 驱动器/接收器数:1/1 双工:全 接收器滞后:- 数据速率:- 电压 - 电源:3.135 V ~ 3.465 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:32-VFQFN 裸露焊盘，32-MLF? 供应商器件封装:32-MLF?（5x5） 标准包装:1 |
| KSZ8041RNLTR | 制造商:Micrel 功能描述:Physical Layer Transceiver |
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