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Customer support .............................................................................. 7
Chapter 1: About the Module ........................... ... 9
Features and functionality ............................................................10
Module variant ................................................................................10
Module pinout ..........................................................................10
Pinout legend: Type ........................................................ ..................11
X1 pinout ............................................................................ ...........11
X2 pinout ............................................................................ ...........15
Configuration pins — CPU ............................................................. 23
Default module CPU configuration ......................................................... 23
Configuration pins — Module .........................................................24
Identification of the module ....................... .........................................24
Module pin configuration ....................................................................24
Clock generation . ....... ........ ....... ....... ........ ....... ........ ....... ....... .... 25
Clock frequencies ............................................................................. 25
Changing the CPU speed ................................................................. ....26
Boot process ............................................................................26
Chip selects ............................................ .................................27
Chip select memory map ....................................................................27
SDRAM banks ............................................................................ 27
Multiplexed GPIO pins ................................................................. 27