參數(shù)資料
型號： KSZ8851-16MLLJ
廠商： Micrel Inc
文件頁數(shù)： 30/90頁
文件大?。?/td> 0K
描述： IC CTLR MAC 1PORT NON-PCI 48LQFP
標準包裝： 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
供應商設備封裝： 48-LQFP（7x7）
包裝： 托盤
其它名稱： 576-3629
KSZ8851-16MLLJ-ND
Micrel, Inc.
KSZ8851-16MLLJ
March 2010
36
M9999-030210-1.0
In order to read received frames from RXQ without error, the software driver must use following steps:
1.
When receive interrupt occurred and software driver writes “1” to clear the RX interrupt in ISR register; the KSZ8851
will update Receive Frame Counter (RXFCTR) Register for this interrupt.
2.
When software driver reads back Receive Frame Count (RXFCTR) Register; the KSZ8851 will update both Receive
Frame Header Status and Byte Count Registers (RXFHSR/RXFHBCR).
3.
When
software
driver
reads
back
both
Receive
Frame
Header
Status
and
Byte
Count
Registers
(RXFHSR/RXFHBCR); the KSZ8851 will update next receive frame header status and byte count registers
(RXFHSR/RXFHBCR).
EEPROM Interface
It is optional in the KSZ8851-16MLLJ to use an external EEPROM. The EED_IO (pin 9) must be pulled high to use
external EEPROM otherwise this pin pulled low or floating without EEPROM.
An external serial EEPROM with a standard microwire bus interface is used for non-volatile storage of information such as
the host MAC address. The KSZ8851-16MLLJ can detect if the EEPROM is a 1KB (93C46) or 4KB (93C66) EEPROM
device (the 93C46 and the 93C66 are typical EEPROM devices). The EEPROM must be organized as 16-bit mode.
If the EED_IO pin is pulled high, then the KSZ8851-16MLLJ performs an automatic read of the external EEPROM words
0H to 3H after the de-assertion of Reset. The EEPROM values are placed in certain host-accessible registers. EEPROM
read/write functions can also be performed by software read/writes to the EEPCR (0x22) registers.
The KSZ8851-16MLLJ EEPROM format is given in Table 11.
WORD
15
8
7
0
0H
Reserved
1H
Host MAC Address Byte 2
Host MAC Address Byte 1
2H
Host MAC Address Byte 4
Host MAC Address Byte 3
3H
Host MAC Address Byte 6
Host MAC Address Byte 5
4H – 6H
Reserved
7H-3FH
Not used for KSZ8851-16MLLJ (available for user to use)
Table 11. KSZ8851-16MLLJ EEPROM Format
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相關代理商/技術參數(shù)
參數(shù)描述
KSZ8851-16MLLJ_10 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Single-Port Ethernet MAC Controller with 8-Bit or 16-Bit Non-PCI Interface
KSZ8851-16MLLU 功能描述:以太網(wǎng) IC Single-Port Ethernet Controller (Automotive Grade) 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
KSZ8851-16MLLU TR 功能描述:以太網(wǎng) IC Single-Port Ethernet Controller (Automotive Grade) 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
KSZ8851-16MQL 功能描述:以太網(wǎng) IC Single Ethernet Port + Generic (16-bit) Bus Interface(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
KSZ8851-16MQL-EVAL 功能描述:以太網(wǎng)開發(fā)工具 Single Ethernet Port + Generic (16-bit) Bus Interface(Lead Free) Eval Board RoHS:否 制造商:Micrel 產(chǎn)品:Evaluation Boards 類型:Ethernet Transceivers 工具用于評估:KSZ8873RLL 接口類型:RMII 工作電源電壓:
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