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EESchema Schematic File Version 2
LIBS:power
LIBS:device
LIBS:transistors
LIBS:conn
LIBS:linear
LIBS:regul
LIBS:74xx
LIBS:cmos4000
LIBS:adc-dac
LIBS:memory
LIBS:xilinx
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
LIBS:max485
LIBS:rv3029c2
LIBS:pilc-cache
EELAYER 25 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 2 4
Title "PiLC HAT - RTC"
Date ""
Rev "0.1"
Comp "Michael Buesch <m@bues.ch>"
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L RV-3029-C2 U1
U 1 1 56AD3564
P 5700 3600
F 0 "U1" H 5700 4200 60 0000 C CNN
F 1 "RV-3029-C2" H 5700 3000 60 0000 C CNN
F 2 "" H 5700 3150 60 0000 C CNN
F 3 "" H 5700 3150 60 0000 C CNN
1 5700 3600
1 0 0 -1
$EndComp
NoConn ~ 5050 3450
$Comp
L +3V3 #PWR28
U 1 1 56AD3774
P 4850 3300
F 0 "#PWR28" H 4850 3150 50 0001 C CNN
F 1 "+3V3" H 4850 3440 50 0000 C CNN
F 2 "" H 4850 3300 60 0000 C CNN
F 3 "" H 4850 3300 60 0000 C CNN
1 4850 3300
0 -1 -1 0
$EndComp
$Comp
L GND #PWR30
U 1 1 56AD378C
P 6450 3900
F 0 "#PWR30" H 6450 3650 50 0001 C CNN
F 1 "GND" H 6450 3750 50 0000 C CNN
F 2 "" H 6450 3900 60 0000 C CNN
F 3 "" H 6450 3900 60 0000 C CNN
1 6450 3900
0 -1 -1 0
$EndComp
Wire Wire Line
6350 3900 6450 3900
Wire Wire Line
4850 3300 5050 3300
NoConn ~ 6350 3750
NoConn ~ 6350 3300
$Comp
L R R7
U 1 1 56AD3A9C
P 6950 3600
F 0 "R7" V 7030 3600 50 0000 C CNN
F 1 "100" V 6950 3600 50 0000 C CNN
F 2 "" V 6880 3600 30 0000 C CNN
F 3 "" H 6950 3600 30 0000 C CNN
1 6950 3600
0 1 1 0
$EndComp
Wire Wire Line
7100 3600 7300 3600
Wire Wire Line
6350 3600 6800 3600
$Comp
L ZENER D2
U 1 1 56AD3B30
P 7450 3950
F 0 "D2" H 7450 4050 50 0000 C CNN
F 1 "5.1V" H 7450 3850 50 0000 C CNN
F 2 "" H 7450 3950 60 0000 C CNN
F 3 "" H 7450 3950 60 0000 C CNN
1 7450 3950
1 0 0 -1
$EndComp
$Comp
L CP C5
U 1 1 56AD3B8F
P 7450 3600
F 0 "C5" H 7475 3700 50 0000 L CNN
F 1 "1F 5.5V" H 7475 3500 50 0000 L CNN
F 2 "" H 7488 3450 30 0000 C CNN
F 3 "" H 7450 3600 60 0000 C CNN
1 7450 3600
0 -1 -1 0
$EndComp
Wire Wire Line
7200 3600 7200 3950
Wire Wire Line
7200 3950 7250 3950
Connection ~ 7200 3600
Wire Wire Line
7650 3950 7700 3950
Wire Wire Line
7700 3950 7700 3600
Wire Wire Line
7600 3600 7800 3600
$Comp
L GND #PWR31
U 1 1 56AD3CCC
P 7800 3600
F 0 "#PWR31" H 7800 3350 50 0001 C CNN
F 1 "GND" H 7800 3450 50 0000 C CNN
F 2 "" H 7800 3600 60 0000 C CNN
F 3 "" H 7800 3600 60 0000 C CNN
1 7800 3600
0 -1 -1 0
$EndComp
Connection ~ 7700 3600
Text HLabel 2350 3750 0 60 Input ~ 0
SCL
Text HLabel 2350 3900 0 60 Input ~ 0
SDA
Wire Wire Line
2350 3750 5050 3750
Wire Wire Line
2350 3900 5050 3900
$Comp
L C_Small C4
U 1 1 56C07294
P 4950 2950
F 0 "C4" H 4960 3020 50 0000 L CNN
F 1 "100n" H 4960 2870 50 0000 L CNN
F 2 "" H 4950 2950 50 0000 C CNN
F 3 "" H 4950 2950 50 0000 C CNN
1 4950 2950
1 0 0 -1
$EndComp
Wire Wire Line
4950 3050 4950 3300
Connection ~ 4950 3300
$Comp
L GND #PWR29
U 1 1 56C0744F
P 4950 2750
F 0 "#PWR29" H 4950 2500 50 0001 C CNN
F 1 "GND" H 4950 2600 50 0000 C CNN
F 2 "" H 4950 2750 50 0000 C CNN
F 3 "" H 4950 2750 50 0000 C CNN
1 4950 2750
-1 0 0 1
$EndComp
Wire Wire Line
4950 2750 4950 2850
$EndSCHEMATC
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