
Blackfin CM-BF527 Hardware User Manual 2
Table of Contents
BLACKFIN Products ..............................................................................................................................................................................5
BLACKFIN Design Service...................................................................................................................................................................6
1Introduction ..................................................................................................................................................................................7
1.1Overview...............................................................................................................................................................................7
1.2Key Features ........................................................................................................................................................................8
1.3Target Applications...........................................................................................................................................................8
1.4Further Information ..........................................................................................................................................................8
2Specification .................................................................................................................................................................................9
2.1Functional Specification..................................................................................................................................................9
2.2Boot Mode............................................................................................................................................................................9
2.3Memory MAP.................................................................................................................................................................... 10
2.4Electrical Specification .................................................................................................................................................. 11
2.4.1Supply Voltage....................................................................................................................................................... 11
2.4.2Supply Voltage Ripple ......................................................................................................................................... 11
2.4.3On Board Crystal Frequency.............................................................................................................................. 11
2.4.4Real Time Clock Crystal........................................................................................................................................ 11
2.4.5Supply Current ....................................................................................................................................................... 11
2.5Environmental Specification....................................................................................................................................... 11
2.5.1Temperature ........................................................................................................................................................... 11
2.5.2Humidity................................................................................................................................................................... 11
3CM-BF527.................................................................................................................................................................................... 12
3.1Mechanical Outline ........................................................................................................................................................ 12
3.2Footprint............................................................................................................................................................................ 14
3.3Schematic Symbol (Signals of X2 and X3) .............................................................................................................. 15
3.4Connector Pin Assignments........................................................................................................................................ 15
3.4.1Connector X2 – (1-60).......................................................................................................................................... 16
3.4.2Connector X3 – (61-120) ..................................................................................................................................... 17
3.5Reset circuit....................................................................................................................................................................... 19
3.6RJ45 schematic ................................................................................................................................................................ 19
4Software Support ..................................................................................................................................................................... 20
4.1BLACKSheep..................................................................................................................................................................... 20
4.2uClinux ............................................................................................................................................................................... 20
5Application Examples ............................................................................................................................................................. 21
5.1Sample Schematic .......................................................................................................................................................... 21