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mirror of git://projects.qi-hardware.com/board-qi-avt2.git synced 2024-11-22 03:41:53 +02:00
Commit Graph

14 Commits

Author SHA1 Message Date
carlos
43b50c5799 Reduce and move some silsckreen text, 2009-09-11 19:39:35 -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
452130063a minor gitignore fix 2009-08-31 11:39:46 +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
2baf38fe30 This power_tree.sch is the purpose for layout and quick view 2009-07-26 23:21:39 +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
9e460ec1a7 For quick view, a function block schematic <main/function_block.sch> provided this version. 2009-07-25 00:52:36 +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
c692d0c132 added main/*.bak files to gitignore 2009-07-03 17:33:58 +08:00
Adam Wang
868613e587 initial commit 2009-07-03 17:20:21 +08:00