Juan Brinez
cf491c1b7f
Added touch test points (4-pin connector).
2009-12-10 19:20:04 -05:00
Juan Brinez
f8d1531cfb
Changes: see the <layout_note_revised2.txt> file.
2009-11-30 09:55:39 -05:00
Juan Brinez
3cce1b9bbd
kb3436 for usb host.
2009-10-29 14:41:24 -05:00
Juan Brinez
87caf3ea13
Fix ERC errors on sch file: V18, V33, V33SD, VBAT, VBAT0, VDDHP, VRTC, U3, SW1. Fix components: USB_MICRO_AB, Q5, NPN, CON1, U7, U5, D2.
2009-09-25 07:35:57 -05:00
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
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
9e460ec1a7
For quick view, a function block schematic <main/function_block.sch> provided this version.
2009-07-25 00:52:36 +08:00
