EESchema Schematic File Version 2 LIBS:power LIBS:device LIBS:transistors LIBS:conn LIBS:linear LIBS:regul LIBS:cmos4000 LIBS:adc-dac LIBS:memory LIBS:xilinx LIBS:special LIBS:microcontrollers LIBS:dsp LIBS:microchip LIBS:analog_switches LIBS:motorola LIBS:texas LIBS:intel LIBS:audio LIBS:interface LIBS:digital-audio LIBS:philips LIBS:display LIBS:cypress LIBS:siliconi LIBS:opto LIBS:atmel LIBS:contrib LIBS:valves EELAYER 27 0 EELAYER END $Descr B 17000 11000 encoding utf-8 Sheet 10 27 Title "rev02_08" Date "15 10 2016" Rev "" Comp "" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr Text Notes 7546 5126 0 60 ~ 12 CL 12.5 pF Text Notes 9680 5720 0 60 ~ 12 MFP is Multi Function Pin.\nGPIO output from RTC. Text Notes 9240 3960 0 60 ~ 12 i2c pull-ups, typically 10K for 100kHz Text Notes 6820 2640 0 126 ~ 12 Real Time Clock Text Notes 15103 10142 0 84 ~ 12 Real Time Clock Text Notes 8360 4466 0 60 ~ 12 U7 Text Label 7513 5720 0 70 ~ 5pF Text Label 6336 5742 0 70 ~ 5pF Text Notes 6864 6204 0 60 ~ 12 X1 Text Label 10780 4609 0 70 ~ 10k Text Label 10780 4499 0 70 ~ 10k Text Label 10791 4389 0 70 ~ 10k $Comp L GND #PWR?58024027 U 1 1 58024027 P 7920 5940 F 0 "GND_46" H 7920 5940 20 0000 C CNN F 1 "+GND" H 7920 5870 30 0000 C CNN F 2 "" H 7920 5940 70 0000 C CNN F 3 "" H 7920 5940 70 0000 C CNN 1 7920 5940 1 0 0 -1 $EndComp $Comp L 3V3_BATT #PWR?58024026 U 1 1 58024026 P 7590 4180 F 0 "3V3_BATT_2" H 7590 4180 20 0000 C CNN F 1 "+3V3_BATT" H 7590 4110 30 0000 C CNN F 2 "" H 7590 4180 70 0000 C CNN F 3 "" H 7590 4180 70 0000 C CNN 1 7590 4180 1 0 0 -1 $EndComp $Comp L VCCO_3V3 #PWR?58024025 U 1 1 58024025 P 8140 4180 F 0 "VCCO_3V3_15" H 8140 4180 20 0000 C CNN F 1 "+VCCO_3V3" H 8140 4110 30 0000 C CNN F 2 "" H 8140 4180 70 0000 C CNN F 3 "" H 8140 4180 70 0000 C CNN 1 8140 4180 1 0 0 -1 $EndComp $Comp L GND #PWR?58024024 U 1 1 58024024 P 6710 5940 F 0 "GND_47" H 6710 5940 20 0000 C CNN F 1 "+GND" H 6710 5870 30 0000 C CNN F 2 "" H 6710 5940 70 0000 C CNN F 3 "" H 6710 5940 70 0000 C CNN 1 6710 5940 1 0 0 -1 $EndComp $Comp L GND #PWR?58024023 U 1 1 58024023 P 7370 5940 F 0 "GND_48" H 7370 5940 20 0000 C CNN F 1 "+GND" H 7370 5870 30 0000 C CNN F 2 "" H 7370 5940 70 0000 C CNN F 3 "" H 7370 5940 70 0000 C CNN 1 7370 5940 1 0 0 -1 $EndComp Wire Wire Line 7590 4180 7590 4950 Wire Wire Line 8140 4950 7590 4950 Wire Wire Line 8140 5500 7920 5500 Wire Wire Line 7920 5500 7920 5940 Wire Wire Line 7370 5830 7370 5940 Wire Wire Line 6710 5830 6710 5940 Wire Wire Line 8140 4180 8140 4840 Wire Wire Line 6820 5500 6710 5500 Wire Wire Line 8140 5170 6710 5170 Wire Wire Line 6710 5170 6710 5500 Connection ~ 6710 5500 Wire Wire Line 7370 5500 7260 5500 Wire Wire Line 8140 5280 7370 5280 Wire Wire Line 7370 5280 7370 5500 Connection ~ 7370 5500 Wire Wire Line 10230 4950 9460 4950 Wire Wire Line 10450 4950 10230 4950 Wire Wire Line 10230 4840 10230 4950 Text Label 10450 4950 0 70 ~ RTC_MFP Connection ~ 10230 4950 Wire Wire Line 10010 5060 9460 5060 Wire Wire Line 10450 5060 10010 5060 Wire Wire Line 10010 4840 10010 5060 Text Label 10450 5060 0 70 ~ RTC_SCL Connection ~ 10010 5060 Wire Wire Line 9790 5170 9460 5170 Wire Wire Line 10450 5170 9790 5170 Wire Wire Line 9790 4840 9790 5170 Text Label 10450 5170 0 70 ~ RTC_SDA Connection ~ 9790 5170 Wire Wire Line 10010 4180 10010 4290 Wire Wire Line 10010 4290 10010 4400 Wire Wire Line 9790 4290 9790 4400 Wire Wire Line 10010 4290 9790 4290 Wire Wire Line 10230 4290 10010 4290 Wire Wire Line 10230 4290 10230 4400 Connection ~ 10010 4290 $Comp L VCCO_3V3 #PWR?58024022 U 1 1 58024022 P 10010 4180 F 0 "VCCO_3V3_16" H 10010 4180 20 0000 C CNN F 1 "+VCCO_3V3" H 10010 4110 30 0000 C CNN F 2 "" H 10010 4180 70 0000 C CNN F 3 "" H 10010 4180 70 0000 C CNN 1 10010 4180 1 0 0 -1 $EndComp $Comp L MCP79412-I/SN IC117 U 1 1 58024021 F 1 "MCP79412-I/SN" H 8338 5533 60 0000 L BNN F 2 "" H 8338 5533 60 0000 C CNN F 3 "" H 8338 5533 60 0000 C CNN 1 8800 5060 1 0 0 -1 $EndComp $Comp L C-EUC0402 C71 U 1 1 58024020 F 0 "C71" H 7227 5621 60 0000 R TNN 1 7370 5720 -1 0 0 1 $EndComp $Comp L C-EUC0402 C70 U 1 1 5802401F F 0 "C70" H 7084 5632 60 0000 R TNN 1 6710 5720 -1 0 0 1 $EndComp $Comp L XTAL-3.2X1.5 IC120 U 1 1 5802401E F 1 "ABS07-32.768KHZ-T" H 6853 4675 60 0000 L BNN F 2 "" H 6853 4675 60 0000 C CNN F 3 "" H 6853 4675 60 0000 C CNN 1 7040 5500 1 0 0 -1 $EndComp $Comp L R-EU_R0402 R21 U 1 1 5802401D F 0 "R21" V 10230 4950 60 0000 L BNN F 1 "" V 10340 4950 60 0000 L BNN F 2 "" H 10340 4950 60 0000 C CNN F 3 "" H 10340 4950 60 0000 C CNN 1 10230 4620 0 1 1 0 $EndComp $Comp L R-EU_R0402 R20 U 1 1 5802401C F 0 "R20" V 9900 5170 60 0000 L BNN 1 10010 4620 0 1 1 0 $EndComp $Comp L R-EU_R0402 R19 U 1 1 5802401B F 0 "R19" V 9570 5390 60 0000 L BNN 1 9790 4620 0 1 1 0 $EndComp $EndSCHEMATC