ADLINK cExpress-BT User Manual
Page 5
cExpress-BT
Page 5
3.3.8.
LPC Bus ..............................................................................................................................................21
3.3.9.
USB ....................................................................................................................................................21
3.3.10.
USB Root Segmentation ..................................................................................................................22
3.3.11.
SPI (BIOS only) .................................................................................................................................22
3.3.12.
Miscellaneous..................................................................................................................................23
3.3.13.
SMBus..............................................................................................................................................23
3.3.14.
I2C Bus .............................................................................................................................................23
3.3.15.
General Purpose I/O (GPIO) ............................................................................................................23
3.3.16.
Serial Interface Signals.....................................................................................................................24
3.3.17.
Power And System Management ....................................................................................................24
3.3.18.
Power and Ground ..........................................................................................................................25
3.4.
CD Signal Descriptions ........................................................................................................ 26
3.4.1.
USB 3.0 extension..............................................................................................................................26
3.4.2.
PCI Express x1 ....................................................................................................................................26
3.4.3.
DDI Channels .....................................................................................................................................27
3.4.4.
DDI to DP/HDMI Mapping .................................................................................................................29
3.4.5.
PCI Express Graphics x16 (PEG) .........................................................................................................30
3.4.6.
Module Type Definition.....................................................................................................................31
3.4.7.
Power and Ground ............................................................................................................................31
4. Module Interfaces .............................................................................................. 32
4.1.
Connector, Switch and LED Locations ................................................................................ 32
4.1.1.
cExpress-BT and the DB40 Module connected..................................................................................32
4.2.
40-pin Multipurpose Connector ......................................................................................... 33
4.3.
Status LEDs.......................................................................................................................... 34
4.4.
XDP Debug Header ............................................................................................................. 35
4.5.
Fan Connector .................................................................................................................... 35
4.6.
BIOS Setup Defaults RESET Button ..................................................................................... 36
4.7.
Mini SD Slot......................................................................................................................... 37
5. Smart Embedded Management Agent (SEMA) .............................................. 38
5.1.
Board Specific SEMA Functions .......................................................................................... 39
5.1.1.
Voltages .............................................................................................................................................39
5.1.2.
Main Current .....................................................................................................................................39
5.1.3.
BMC Status ........................................................................................................................................39
5.1.4.
Exception Codes ................................................................................................................................40
5.1.5.
BMC Flags ..........................................................................................................................................40
6. System Resources............................................................................................... 41
6.1.
System Memory Map ......................................................................................................... 41