Initial commit

pcb/RTC.bak

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+EESchema Schematic File Version 4
+LIBS:IV-9_Clock-cache
+EELAYER 29 0
+EELAYER END
+$Descr A4 11693 8268
+encoding utf-8
+Sheet 10 16
+Title ""
+Date ""
+Rev ""
+Comp ""
+Comment1 ""
+Comment2 ""
+Comment3 ""
+Comment4 ""
+$EndDescr
+$Comp
+L power:VCC #PWR0172
+U 1 1 5BB64BC9
+P 4600 1300
+F 0 "#PWR0172" H 4600 1150 50  0001 C CNN
+F 1 "VCC" H 4617 1473 50  0000 C CNN
+F 2 "" H 4600 1300 50  0001 C CNN
+F 3 "" H 4600 1300 50  0001 C CNN
+	1    4600 1300
+	1    0    0    -1  
+$EndComp
+$Comp
+L device:C C1101
+U 1 1 5BB64C0D
+P 4850 1400
+F 0 "C1101" V 4598 1400 50  0000 C CNN
+F 1 "100nF" V 4689 1400 50  0000 C CNN
+F 2 "Capacitors_SMD:C_0603" H 4888 1250 50  0001 C CNN
+F 3 "~" H 4850 1400 50  0001 C CNN
+	1    4850 1400
+	0    1    1    0   
+$EndComp
+Wire Wire Line
+	4700 1400 4600 1400
+Wire Wire Line
+	4600 1400 4600 1300
+Wire Wire Line
+	4600 1400 4600 1650
+Connection ~ 4600 1400
+$Comp
+L power:GND #PWR0183
+U 1 1 5BB64C97
+P 5100 1500
+F 0 "#PWR0183" H 5100 1250 50  0001 C CNN
+F 1 "GND" H 5105 1327 50  0000 C CNN
+F 2 "" H 5100 1500 50  0001 C CNN
+F 3 "" H 5100 1500 50  0001 C CNN
+	1    5100 1500
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	5100 1500 5100 1400
+Wire Wire Line
+	5100 1400 5000 1400
+$Comp
+L power:GND #PWR0184
+U 1 1 5BB64E9A
+P 4600 2450
+F 0 "#PWR0184" H 4600 2200 50  0001 C CNN
+F 1 "GND" H 4605 2277 50  0000 C CNN
+F 2 "" H 4600 2450 50  0001 C CNN
+F 3 "" H 4600 2450 50  0001 C CNN
+	1    4600 2450
+	1    0    0    -1  
+$EndComp
+Text GLabel 4100 1850 0    39   Input ~ 0
+SCL
+Text GLabel 4100 1950 0    39   Input ~ 0
+SDA
+$Comp
+L device:Battery_Cell BT1101
+U 1 1 5BB6519B
+P 3950 1400
+F 0 "BT1101" V 3695 1450 50  0000 C CNN
+F 1 "Battery_Cell" V 3786 1450 50  0000 C CNN
+F 2 "BatteryHolder:Battery_Holder" V 3950 1460 50  0001 C CNN
+F 3 "~" V 3950 1460 50  0001 C CNN
+	1    3950 1400
+	0    1    1    0   
+$EndComp
+Wire Wire Line
+	4500 1650 4500 1400
+Wire Wire Line
+	4500 1400 4400 1400
+$Comp
+L power:GND #PWR0185
+U 1 1 5BB652E4
+P 3750 1500
+F 0 "#PWR0185" H 3750 1250 50  0001 C CNN
+F 1 "GND" H 3755 1327 50  0000 C CNN
+F 2 "" H 3750 1500 50  0001 C CNN
+F 3 "" H 3750 1500 50  0001 C CNN
+	1    3750 1500
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	3750 1500 3750 1400
+Wire Wire Line
+	3750 1400 3850 1400
+Text GLabel 4400 1300 1    50   Input ~ 0
+V_Bat
+Wire Wire Line
+	4400 1300 4400 1400
+Connection ~ 4400 1400
+Wire Wire Line
+	4400 1400 4150 1400
+NoConn ~ 5150 1850
+$Comp
+L Timer_RTC:DS3231MZ U1001
+U 1 1 5BC5953E
+P 4600 2050
+F 0 "U1001" H 4600 1564 50  0000 C CNN
+F 1 "DS3231MZ" H 4600 1473 50  0000 C CNN
+F 2 "Housings_SOIC:SOIC-8_3.9x4.9mm_Pitch1.27mm" H 4600 1550 50  0001 C CNN
+F 3 "http://datasheets.maximintegrated.com/en/ds/DS3231M.pdf" H 4600 1450 50  0001 C CNN
+	1    4600 2050
+	1    0    0    -1  
+$EndComp
+NoConn ~ 5100 2150
+NoConn ~ 4100 2250
+$EndSCHEMATC