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CON TE N T S
1
Introduction ....................................................................................................................... 7
1.1
COMe-bP5020 Overview .......................................................................................................... 7
1.2
Board Diagrams ................................................................................................................... 8
1.3
Technical Specifications ...................................................................................................... 10
1.4
Standards ........................................................................................................................ 12
1.5
Related Publications ........................................................................................................... 13
2
Functional Description ........................................................................................................ 14
2.1
Processor ......................................................................................................................... 14
2.2
Memory ........................................................................................................................... 15
2.2.1
DDR3 .............................................................................................................................. 15
2.2.2
Flash Memory .................................................................................................................... 15
2.2.2.1
SPI Boot Flash ................................................................................................................... 15
2.2.2.2
SPI OS/User Flash .............................................................................................................. 15
2.2.2.3
NAND Flash ....................................................................................................................... 15
2.2.2.4
MRAM Memory ................................................................................................................... 15
2.2.2.5
SDHC Socket ..................................................................................................................... 15
2.2.3
System/User Data EEPROMs .................................................................................................. 15
2.3
Timer .............................................................................................................................. 16
2.4
Watchdog Timer ................................................................................................................. 16
2.5
Connectors ....................................................................................................................... 17
2.5.1
COM Express® Connectors .................................................................................................... 17
2.5.2
Signal Descriptions COM Express® Connectors ........................................................................... 27
2.5.2.1
Ethernet (Group GigE MDI/GBE0 CTREF) ................................................................................... 27
2.5.2.2
Ethernet Management (ETH MGT) ........................................................................................... 27
2.5.2.3
IEEE 1588 ........................................................................................................................ 27
2.5.2.4
Serial ATA ........................................................................................................................ 27
2.5.2.5
SerDes ............................................................................................................................ 27
2.5.2.6
DMA ................................................................................................................................ 28
2.5.2.7
Local Bus / GPIO ................................................................................................................ 28
2.5.2.7.1
Local Bus ......................................................................................................................... 28
2.5.2.7.2
GPIO ............................................................................................................................... 29
2.5.2.8
USB ................................................................................................................................ 29
2.5.2.9
SDHC (SDIO) ..................................................................................................................... 29
2.5.2.10
SPI ................................................................................................................................. 30
2.5.2.11
Serial Interface ................................................................................................................. 30
2.5.2.12
SMB / I2C ......................................................................................................................... 30
2.5.2.13
IRQs ............................................................................................................................... 31
2.5.2.14
Miscellaneous (MISC) .......................................................................................................... 31
2.5.3
JTAG/Debug Interface ......................................................................................................... 32
3
Conf iguration ................................................................................................................... 33
3.1
DIP Switch Configuration ..................................................................................................... 33
3.2
Board Memory Map ............................................................................................................. 34
3.3
I/O Address Map ................................................................................................................ 35
3.4
Board Control and Status Registers ......................................................................................... 36
4
Power Considerations .......................................................................................................... 44
4.1
Supply Voltage .................................................................................................................. 44
4.2
Power Supply Rise Time ....................................................................................................... 44
4.3
Supply Voltage Ripple ......................................................................................................... 44
4.4
Power Consumption ............................................................................................................ 44
3
User Guide
COMe-bP5020
www.kontron.com
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