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{{Applies To DUL}}
{{Applies To SSD modules}}
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J19 is reference of LCC-68 socket where DUL can be plugged. MOD1 is reference of DUL module when soldered on PCB directly. R25, R26, R28 and R31 allow to connect USB bus to socket or soldered-down DUL module.
DL5, DL6, DL7 and DL8 are staus LEDs connected rispectively respectively to the following signals of DUL:
* STAT2#
* WARN#
==Options #4: Li-ion/Li-Po battery==
Microchip MCP73831 is a single Cell, fully integrated Li-Ion or Li-Polymer charger.
J16 is a settings jumper, it regulates the maximum charge current. Led DL4 is ON when the battery is in charging.
See Microchip MCP73831 datasheet for any other information.
==Schematics==
Following link provides '''conceptual''' schematics of an evaluation board implementing some solutions for the auxiliary power supply. '''Please note that these schematics do not refer to an actual board that has been manufactured'''.* http://www.dave.eu/download/restricted/ssd/dul/DUL-EVB-0.9.1.pdf.