qi-hardware/nn-usb-fpga
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Code
nn-usb-fpga/KICAD_design_files/SAKC_PCB_v2/Design files
History
carlos 9da569a830 Removing battery circuit 
Adding UMP1: 5V voltage regulator, allowing Input voltages up to 13V

Adding USB - DC jack switching circuit:
When USB cable is plugged in:
USWAA PIN1 = 0V, USWBB PIN2 = 0V, VGate Q2 = 0, VGS Q2 = -USB_5V => Q2 ON VBAT= USB_5V

When DC WALL ADAPTER is pugged in:
USWAA PIN1 = 5V, USWBB PIN2 = 5V, VGate Q2 = 5V, VGS Q2 = 0V ???, => Q2 OFF, VBAT = UMP1 out.

if plugg USB cable and DC wall adapter:

USWAA PIN1 = 5V, USWBB PIN2 = 5V, VGate Q2 = 5V, VGS Q2 = 5V ???, => Q2 OFF, VBAT = UMP1 out.
USB_5V & VBAT are isolated
2010-10-09 17:37:54 -05:00
..
$savepcb.000
Renaming Kicad and Orcad design files directory, uploading new kicad version
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$savepcb.brd
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CONNECTORS.bak
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D_CONVERTER.bak
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fpccon24.bak
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fpccon24.bck
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fpccon24.dcm
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fpccon24.lib
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FPGA.bak
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header_2.bak
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header_2.bck
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header_2.dcm
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header_2.lib
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header_4.dcm
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header_4.lib
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header_4x2.bak
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header_4x2.bck
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header_4x2.dcm
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header_4x2.lib
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header_20x2.dcm
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header_20x2.lib
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hole.dcm
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HOLE.dcm
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hole.lib
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HOLE.lib
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hy27ug088g5m.dcm
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hy27ug088g5m.lib
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jz4725.bak
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jz4725.bck
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jz4725.dcm
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jz4725.lib
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LCD.bak
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lp3988imf.dcm
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lp3988imf.lib
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lt1117cst.dcm
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lt1117cst.lib
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max3223ecapaa.dcm
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max3223ecapaa.lib
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mcp3008.lib
Change ADC from Texas to Microchip MCP3008.
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MEMORY.bak
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mic811.bak
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mic811.bck
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mic811.dcm
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mic811.lib
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microsd.dcm
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microsd.lib
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noname.bak
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p3v56s40etp-g6.bak
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p3v56s40etp-g6.bck
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p3v56s40etp-g6.dcm
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p3v56s40etp-g6.lib
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PBCNANO
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POWER_SUPPLY.bak
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tl780-05ckttr.lib
Removing battery circuit
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tlv1548.dcm
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tlv1548.lib
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tm2301n.lib
Removing battery circuit
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UART_USB_I2C.bak
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UART.bak
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x25x64mb.lib
fixing DRC errors
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x_mhz_osc.bak
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x_mhz_osc.bck
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x_mhz_osc.dcm
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x_mhz_osc.lib
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xc3sxxxe-vq100.bak
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xc3sxxxe-vq100.bck
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xc3sxxxe-vq100.dcm
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xc3sxxxe-vq100.lib
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zx62d-b-5p8.dcm
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zx62d-b-5p8.lib
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