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| 型號： | KSZ8041TL-EVAL |
| 廠商： | Micrel Inc |
| 文件頁數(shù)： | 17/58頁 |
| 文件大小： | 0K |
| 描述： | BOARD EVALUATION KSZ8041TL |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 主要目的： | 接口，以太網(wǎng) PHY |
| 嵌入式： | 否 |
| 已用 IC / 零件： | KSZ8041TL |
| 主要屬性： | 單芯片 PHY，100BASE-TX/100BASE-FX/10BASE-T |
| 次要屬性： | MII，RMII，HP Auto MDI，MDI-X 自動極性校正，LinkMD |
| 已供物品： | 板 |
| 產(chǎn)品目錄頁面： | 1080 (CN2011-ZH PDF) |
| 相關(guān)產(chǎn)品： | 576-2971-5-ND - IC ETHERNET PHY IND 48-TQFP KSZ8041TL TR-ND - TRANSCEIVER 10/100 48-TQFP KSZ8041TLA3TR-ND - TRANSCEIVER 10/100 48-TQFP KSZ8041TLA3-ND - TRANSCEIVER 10/100 48-TQFP 576-1619-ND - TRANSCEIVER 10/100BASE 48-TQFP |
| 其它名稱： | 576-3295 KSZ8041TL-EVAL-ND |
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Micrel, Inc.
KSZ8041TL/FTL
April 2007
24
M9999-042707-1.1
Collision Detection
The MAC regenerates the COL signal of the MII from TX_EN and CRS_DV.
Serial MII (SMII) Data Interface
The Serial Media Independent Interface (SMII) is the lowest pin count Media Independent Interface (MII). It provides a
common interface between physical layer and MAC layer devices, and has the following key characteristics:
Supports 10Mbps and 100Mbps data rates.
Uses 125 MHz reference clock provided by the MAC or the system board.
Uses 12.5 MHz sync pulse provided by the MAC.
Provides independent single-bit wide transmit and receive data paths for data and control information.
The KSZ8041TL/FTL is configured in SMII mode after it is power-up or reset with the following:
A 125 MHz reference clock connected to CLOCK (pin 15).
A 12.5 MHz sync pulse connected to SYNC (pin 36).
CONFIG[2:0] (pins 27, 41, 40) set to ‘010’.
In SMII mode, unused MII signals, TXD[3:2] (pins 39, 38), are tied to ground.
SMII Signal Definition
The following table describes the SMII signals. Refer to SMII Specification for detailed information.
SMII
Signal Name
Direction
(with respect to PHY,
KSZ8041TL/FTL signal)
Direction
(with respect to MAC)
Description
CLOCK
Input
Input, or Output
125 MHz clock reference for receive and
transmit data and control
SYNC
Input
Output
12.5 MHz sync pulse from MAC
TX
Input
Output
Transmit Data and Control
RX
Output
Input
Receive Data and Control
Table 4. SMII Signal Description
Clock Reference (CLOCK)
CLOCK is sourced by the MAC or system board. It is a continuous 125 MHz clock that provides the timing reference for
SYNC, TX, and RX.
Sync Pulse (SYNC)
SYNC is a 12.5 MHz synchronized pulse derived from CLOCK by the MAC. It is used to indicate the segment boundary
for each transmit data/control segment, or receive data/control segment. Each segment is comprised of ten bits.
SYNC is generated continuously by the MAC at every ten cycles of CLOCK.
Transmit Data and Control (TX)
TX provides transmit data and control information from MAC-to-PHY in 10-bit segments.
In 10Mbps mode, each segment is repeated ten times. Therefore, every ten segments represent a new byte of
data. The PHY can sample any one of every ten segments.
In 100Mbps mode, each segment represents a new byte of data.
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| KSZ8041TLI | 功能描述:以太網(wǎng) IC Physical Layer Transceiver 10/100BASE-FX (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 |
| KSZ8041TLI TR | 功能描述:以太網(wǎng) IC Physical Layer Transceiver 10/100BASE-FX (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 |
| KSZ8041TLI-S | 功能描述:以太網(wǎng) IC Physical Layer Transceiver 10/100BASE-FX (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 |
| KSZ8041TL-S | 功能描述:以太網(wǎng) IC Physical Layer Transceiver 10/100BASE-T/TX (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 |
| KSZ8051MLL | 功能描述:以太網(wǎng) IC 3.3V, 10Base-T/100Base-TX Physical Layer Transceiver w/ MII Support (48-LQFP) 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 |
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