KSZ8851-16MLLJ_10 datasheet(5/90 Pages) MICREL

Part #	KSZ8851-16MLLJ

Description	Single-Port Ethernet MAC Controller with 8-Bit or 16-Bit Non-PCI Interface

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Manufacturer	MICREL [Micrel Semiconductor]

Direct Link	http://www.micrel.com

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5 / 90 page

Micrel, Inc.

KSZ8851-16MLLJ

March 2010

5

M9999-030210-1.0

LinkMD® Cable Diagnostics......................................................................................................................................... 22

Access...................................................................................................................................................................... 22

Usage ....................................................................................................................................................................... 23

Media Access Control (MAC) Operation ........................................................................................................................... 23

Inter Packet Gap (IPG) ................................................................................................................................................. 23

Back-Off Algorithm ....................................................................................................................................................... 23

Late Collision ................................................................................................................................................................ 23

Flow Control.................................................................................................................................................................. 23

Half-Duplex Backpressure............................................................................................................................................ 24

Address Filtering Function............................................................................................................................................ 24

Clock Generator ........................................................................................................................................................... 25

Bus Interface Unit (BIU)...................................................................................................................................................... 26

Supported Transfers..................................................................................................................................................... 26

Physical Data Bus Size ................................................................................................................................................ 26

Little and Big Endian Support ....................................................................................................................................... 27

Asynchronous Interface................................................................................................................................................ 27

BIU Summation ............................................................................................................................................................ 27

Queue Management Unit (QMU).................................................................................................................................. 28

Transmit Queue (TXQ) Frame Format ......................................................................................................................... 28

Frame Transmitting Path Operation in TXQ................................................................................................................. 29

Driver Routine for Transmit Packet from Host Processor to KSZ8851-16MLLJ .......................................................... 30

Receive Queue (RXQ) Frame Format.......................................................................................................................... 33

Frame Receiving Path Operation in RXQ .................................................................................................................... 33

Driver Routine for Receive Packet from KSZ8851-16MLLJ to Host Processor ........................................................... 35

In order to read received frames from RXQ without error, the software driver must use following steps:................... 36

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. .................................................36

EEPROM Interface............................................................................................................................................................... 36

Loopback Support .............................................................................................................................................................. 37

Near-End (Remote) Loopback...................................................................................................................................... 37

Far-End (Local) Loopback ............................................................................................................................................ 37

CPU Interface I/O Registers ............................................................................................................................................... 38

I/O Registers................................................................................................................................................................. 38

Internal I/O Registers Space Mapping .............................................................................................................................. 39

CIDER ................................................................................................................................................................................... 43

0x8870................................................................................................................................................................................... 43

Internal I/O Registers Space Mapping (Continued) ......................................................................................................... 44

Reserved ............................................................................................................................................................................... 44

Don’t care .............................................................................................................................................................................. 44

None ...................................................................................................................................................................................... 44

Register Map: MAC, PHY and QMU................................................................................................................................... 45

Bit Type Definition ........................................................................................................................................................ 45

Chip Configuration Register (0x08 – 0x09): CCR ........................................................................................................ 45

Host MAC Address Registers: MARL, MARM and MARH ........................................................................................... 46

Host MAC Address Register Low (0x10 – 0x11): MARL.............................................................................................. 46

Similar Part No. - KSZ8851-16MLLJ_10

Manufacturer	Part #	Datasheet	Description
Micrel Semiconductor	KSZ8851-16MLL	1Mb / 84P	Single-Port Ethernet MAC Controller with 8-Bit or 16-Bit Non-PCI Interface
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Micrel Semiconductor	KSZ8851-16MLL-Eval	1Mb / 86P	Single-Port Ethernet MAC Controller with 8-Bit or 16-Bit Non-PCI Interface
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Similar Description - KSZ8851-16MLLJ_10

Manufacturer	Part #	Datasheet	Description
Micrel Semiconductor	KSZ8851-16MLLI	1Mb / 84P	Single-Port Ethernet MAC Controller with 8-Bit or 16-Bit Non-PCI Interface
	KSZ8851-16MLL	1Mb / 86P	Single-Port Ethernet MAC Controller with 8-Bit or 16-Bit Non-PCI Interface
	KSZ8851-16MQL	681Kb / 89P	Single-Port Ethernet MAC Controller with 8/16-Bit or 32-Bit Non-PCI Interface
Microchip Technology	KSZ8851-16MLL	1Mb / 85P	Single-Port Ethernet MAC Controller with 8-Bitor 16-Bit Non-PCI Interface 11/07/16
Microchip Technology	KSZ8841-16M	2Mb / 98P	Single-Port Ethernet MAC Controller with Non-PCI Interface 05/14/19
Micrel Semiconductor	KSZ8841	654Kb / 105P	Single-Port Ethernet MAC Controller with Non-PCI Interface
	KSZ8841-16	654Kb / 105P	Single-Port Ethernet MAC Controller with Non-PCI Interface
	KSZ8841-PMQL	550Kb / 2P	Single-Port Ethernet MAC Controller with PCI Interface
Microchip Technology	KSZ8841-PMQL	1Mb / 72P	Single-Port Ethernet MAC Controller with PCI Interface 05/14/19
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