raspberry pi 2.0原理图

树莓派2.0 原理图。 We are pleased to announce that schematics for the revision 2.0 Raspberry Pi Model B are now available here. This post describes the key changes introduced in the new board revision. Note that although we have not yet exercised our option to add additional signals to the expansion connector, developers of expansion boards should continue to treat pins 4, 9, 14, 17, 20 and 25 as DNC (do not connect)