GND1VDD2VDD3REF4GND5X16X27GND8SDRAM119SDRAM1010VDD11SDRAM912SDRAM813GND14SDRAM715SDRAM616VDD17SDRAM518SDRAM419GND20VDD21SD4EN22SD8EN23SS%024FS025FS126CSSON#27SS%128VDD29GND30SDRAM331SDRAM232VDD33SDRAM134SDRAM035GND36CPU337CPU238VDD39CPU140CPU041GND42GND43VDD44VDD45ECLK46GND47ESSON#48