-T 75200 60600 5 10 1 1 0 0 1
-value=220pF
-T 69900 64400 5 10 0 0 0 0 1
-vendor_part_number=587-1215-1-ND
-T 69900 64400 5 10 0 0 0 0 1
-vendor=digikey
-T 69900 64400 5 10 0 1 0 0 1
-loadstatus=smt
-}
-C 74400 59000 1 0 0 gnd.sym
-C 72900 59000 1 0 0 gnd.sym
-C 71000 59100 1 0 0 gnd.sym
-C 70100 62500 1 180 0 gnd.sym
-N 69500 61000 70300 61000 4
-N 70000 61300 70000 61000 4
-N 69500 60500 70300 60500 4
-N 70000 60500 70000 60300 4
-N 71200 60500 71800 60500 4
-N 71500 60500 71500 61000 4
-N 71500 61000 71200 61000 4
-N 72700 60500 73300 60500 4
-N 73000 60500 73000 60200 4
-N 74200 60500 74600 60500 4
-N 74500 60500 74500 60200 4
-C 69700 57100 1 90 0 capacitor.sym
-{
-T 69000 57300 5 10 0 0 90 0 1
-device=CAPACITOR
-T 69400 57700 5 10 1 1 0 6 1
-refdes=C7
-T 68800 57300 5 10 0 0 90 0 1
-symversion=0.1
-T 69700 57100 5 10 0 0 0 0 1
+T 70600 75300 5 10 0 1 270 0 1
+vendor_part_number=311-3.30KLRCT-ND
+T 70600 75300 5 10 0 0 270 0 1
+vendor=digikey
+T 70600 75300 5 10 0 1 270 0 1
+loadstatus=smt
+T 70950 75750 5 10 1 1 180 0 1
+refdes=R5
+T 71100 75600 5 10 1 1 0 0 1
+value=3.3k
+}
+N 70600 75400 70600 75000 4
+T 69000 70300 9 10 1 0 0 0 6
+v_charge can be 4.2 volts
+v_bckp must be 1.4 - 3.6 volts
+i_bckp on the order of 22uA
+
+56k should drop 1.232 volts,
+and consume 27 microwatts
+T 68300 75600 9 10 1 0 0 0 9
+don't drive reset_n high!
+
+mcp130t is open drain
+with 5k internal pull-up
+
+do we really want 3.3k
+pull-up here? unclear!
+
+don't use reset_n at all?
+C 71700 72900 1 0 0 nc-left.sym
+{
+T 71700 73300 5 10 0 0 0 0 1
+value=NoConnection
+T 71700 73700 5 10 0 0 0 0 1
+device=DRC_Directive
+}
+C 71700 72500 1 0 0 nc-left.sym
+{
+T 71700 72900 5 10 0 0 0 0 1
+value=NoConnection
+T 71700 73300 5 10 0 0 0 0 1
+device=DRC_Directive
+}
+C 76200 74900 1 0 0 nc-right.sym
+{
+T 76300 75400 5 10 0 0 0 0 1
+value=NoConnection
+T 76300 75600 5 10 0 0 0 0 1
+device=DRC_Directive
+}
+C 76200 74100 1 0 0 nc-right.sym
+{
+T 76300 74600 5 10 0 0 0 0 1
+value=NoConnection
+T 76300 74800 5 10 0 0 0 0 1
+device=DRC_Directive
+}
+C 76200 72900 1 0 0 nc-right.sym
+{
+T 76300 73400 5 10 0 0 0 0 1
+value=NoConnection
+T 76300 73600 5 10 0 0 0 0 1
+device=DRC_Directive
+}
+C 76200 72100 1 0 0 nc-right.sym
+{
+T 76300 72600 5 10 0 0 0 0 1
+value=NoConnection
+T 76300 72800 5 10 0 0 0 0 1
+device=DRC_Directive
+}
+C 76200 71700 1 0 0 nc-right.sym
+{
+T 76300 72200 5 10 0 0 0 0 1
+value=NoConnection
+T 76300 72400 5 10 0 0 0 0 1
+device=DRC_Directive
+}
+N 76100 47600 76700 47600 4
+N 76700 47600 76700 46200 4
+C 76600 45900 1 0 0 gnd.sym
+N 70100 75000 72200 75000 4
+C 69200 74900 1 0 0 resistor.sym
+{
+T 69500 75300 5 10 0 0 0 0 1
+device=RESISTOR
+T 69550 75350 5 10 1 1 180 0 1
+refdes=R7
+T 69195 74900 5 10 0 1 0 0 1