11 Commits

Author	SHA1	Message	Date
carlos	9696407baf	Route SD CARD lines	2009-09-14 22:08:51 -05:00
carlos	0fdac0d262	Remove unnecessary Test Points, Adding usb switch connections	2009-09-12 22:16:53 -05:00
carlos	f9dc0a01bc	initial import	2009-09-04 21:51:48 -05:00
Adam Wang	f3a4240b84	2009/08/31 adam ... 1, <sch> add SW1 to configure boot selection from NAND or USB 2, <sch> change U6 pin definition pin1 = GND, pin2= OUT 3, <bom> delete R9 to be NC 4, <bom> add SW1 ESP40XX	2009-09-01 00:05:41 +08:00
Adam Wang	014e1d7c08	1, Updated BOM / Schematic: ... a) Added D6/MSCD104 for raising efficiency b) Changed C57 to 0.1uF/16V, C49 to 1uF/16V, TP31 to CKE c) Added R46/10k/5%, d) Added TP85 for +5V USB host voltage measurement	2009-08-13 10:55:09 +08:00
Adam Wang	b9e9f30d3e	1, Add H/W version control via R48 & R49 to distinguish. ... 2, Add USB HOST circuits which including a) Micro-AB Receptacle, b) Use a P-Channel MOSFET to switch 5V to external device by ID signel Hi or Low detection c) Add LT3925EDCB to convert battery voltage to USB power need	2009-08-07 22:30:22 +08:00
Adam Wang	9649cdda43	Added serial con and updated bom	2009-08-01 13:46:35 +08:00
Adam Wang	2d4d667fcb	Added power_tree.sch to easily realize that structure of power tree which marked reasonable currents go through traces on power labels	2009-07-26 23:04:55 +08:00
Adam Wang	f1e30f6f28	Due to add function_block schematic which roughly describes current system block of this version	2009-07-25 00:36:08 +08:00
Adam Wang	b099a322ae	Marked Power Label and Test Points	2009-07-03 18:01:18 +08:00
Adam Wang	868613e587	initial commit	2009-07-03 17:20:21 +08:00