MPC8544COMEDEV Freescale Semiconductor, MPC8544COMEDEV Datasheet - Page 869
![no-image](/images/manufacturer_photos/0/2/262/freescale_semiconductor_sml.jpg)
MPC8544COMEDEV
Manufacturer Part Number
MPC8544COMEDEV
Description
KIT DEV EXPRESS MPC8544COM
Manufacturer
Freescale Semiconductor
Type
MPUr
Datasheets
1.MPC8544VTALF.pdf
(117 pages)
2.MPC8544VTALF.pdf
(2 pages)
3.MPC8544VTALF.pdf
(1340 pages)
Specifications of MPC8544COMEDEV
Contents
Board
For Use With/related Products
MPC8544
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- Current page: 869 of 1340
- Download datasheet (12Mb)
Table 15-126
15.6.2
This section describes how to connect an eTSEC to third-party communication devices, including users’
ASICs and FPGAs, via the FIFO interface.
Each eTSEC provides an 8-bit full-duplex packet FIFO interface port that bypasses the Ethernet MAC, but
re-uses the GMII signals. As a result, the FIFO interface normally does not impose the overheads of
Ethernet framing. The FIFO interface operates synchronously, at a maximum frequency defined by a ratio
of 4.2:1 (platform:TxClk) in GMII mode and 3.2:1 (platform:TxClk) in encoded mode providing OC-48
full-duplex transfer rates. For example, a FIFO frequency of 127 MHz in GMII mode requires a platform
frequency of 533 MHz; a FIFO frequency of 200 MHz in encoded mode requires a platform frequency of
667 MHz; a FIFO frequency of 167 MHz in encoded mode requires a platform frequency of 533 MHz.
The eTSEC Tx and Rx FIFOs, TOE functions, and DMA continue to be used in packet FIFO mode.
The ECNTRL[FIFM] bit determines whether eTSEC is communicating with its Ethernet MAC or FIFO
interface.
Freescale Semiconductor
Bare IP packets—with an optional 32-bit CRC check sequence—can be transferred to the eTSEC directly.
•
8-bit packet FIFO
— The GMII signals of each eTSEC can be used to create a FIFO port, therefore eTSEC can
— The data signals of GMII and 8-bit FIFO remain the same. The data valid (RX_DV, TX_EN)
support up to simultaneous 8-bit FIFO interfaces Choosing between 8-bit FIFO and Ethernet
affects each eTSEC independently, therefore a mix of FIFO and Ethernet interfaces can be
configured.
and error (RX_ER, TX_ER) signals are used to signal framing information. If required, the
collision (COL) and carrier sense (CRS) signals can be used in an encoded mode to provide
link-level flow control.
Connecting to FIFO Interfaces
describes the signals shared by all interfaces.
MPC8544E PowerQUICC III Integrated Host Processor Family Reference Manual, Rev. 1
GTX_CLK125
EC_MDIO
EC_MDC
Signals
Sum
Table 15-126. Shared Signals
I/O
I/O
O
I
Signals
No. of
1
1
1
Management interface clock
Management interface I/O
Reference clock
Function
Enhanced Three-Speed Ethernet Controllers
15-137
Related parts for MPC8544COMEDEV
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
![MC14560BCP](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
![MC12034AP](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
![MPIC2112P](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
![MC14520BCP](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
![MC12026AP](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
![MC145152P2](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
![MC68HC11A0P](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
![MCM6726DWJ10](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
![MC44355](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
![MC13282AP](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
![MC14519BCP](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
![MC14495P1](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
![SN74LS796N](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
![MC142100CP](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
![MC34014P](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet: