ConnectCore for i.MX51
©2011DigiInternational,Inc. 99
Peripheral Application Header
The development board provides one, 2x25-pin, 2.54mm pitch header for applications-
specific daughter cards/expansion boards:
P21, Peripheral application header. Provides access to a 16-bit data bus, 10-bit
address bus and control signals (such as CS#, OE#, WE#), as well as I
2
C and power
(+3.3V). Using these signals you can connect Digi-specific extension modules or your
own custom daughter card to the module's address/data bus and other interfaces.
Peripheral Application
Header, P21