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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: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
LIBS:p82b96
LIBS:controller-cache
EELAYER 24 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date "16 may 2013"
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L SP3485CN IC2
U 1 1 518B9650
P 7000 3150
F 0 "IC2" H 6800 3400 40 0000 C CNN
F 1 "SP3485CN" H 7200 2900 40 0000 C CNN
F 2 "SO8" H 7000 3150 35 0000 C CIN
F 3 "~" H 7000 3150 60 0000 C CNN
1 7000 3150
1 0 0 -1
$EndComp
$Comp
L CRYSTAL X1
U 1 1 518B9687
P 2250 3000
F 0 "X1" H 2250 3150 60 0000 C CNN
F 1 "16MHz" H 2250 2850 60 0000 C CNN
F 2 "~" H 2250 3000 60 0000 C CNN
F 3 "~" H 2250 3000 60 0000 C CNN
1 2250 3000
0 -1 -1 0
$EndComp
$Comp
L C C1
U 1 1 518B9696
P 2050 2700
F 0 "C1" H 2050 2800 40 0000 L CNN
F 1 "22p" H 2056 2615 40 0000 L CNN
F 2 "~" H 2088 2550 30 0000 C CNN
F 3 "~" H 2050 2700 60 0000 C CNN
1 2050 2700
0 -1 -1 0
$EndComp
$Comp
L C C2
U 1 1 518B96A5
P 2050 3300
F 0 "C2" H 2050 3400 40 0000 L CNN
F 1 "22p" H 2056 3215 40 0000 L CNN
F 2 "~" H 2088 3150 30 0000 C CNN
F 3 "~" H 2050 3300 60 0000 C CNN
1 2050 3300
0 -1 -1 0
$EndComp
$Comp
L GND #PWR01
U 1 1 518B9736
P 1850 2800
F 0 "#PWR01" H 1850 2800 30 0001 C CNN
F 1 "GND" H 1850 2730 30 0001 C CNN
F 2 "" H 1850 2800 60 0000 C CNN
F 3 "" H 1850 2800 60 0000 C CNN
1 1850 2800
1 0 0 -1
$EndComp
$Comp
L GND #PWR02
U 1 1 518B9743
P 1850 3400
F 0 "#PWR02" H 1850 3400 30 0001 C CNN
F 1 "GND" H 1850 3330 30 0001 C CNN
F 2 "" H 1850 3400 60 0000 C CNN
F 3 "" H 1850 3400 60 0000 C CNN
1 1850 3400
1 0 0 -1
$EndComp
$Comp
L GND #PWR03
U 1 1 518B976F
P 3950 1800
F 0 "#PWR03" H 3950 1800 30 0001 C CNN
F 1 "GND" H 3950 1730 30 0001 C CNN
F 2 "" H 3950 1800 60 0000 C CNN
F 3 "" H 3950 1800 60 0000 C CNN
1 3950 1800
1 0 0 -1
$EndComp
$Comp
L C C6
U 1 1 518B9775
P 3950 1600
F 0 "C6" H 3950 1700 40 0000 L CNN
F 1 "100n" H 3956 1515 40 0000 L CNN
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F 3 "~" H 3950 1600 60 0000 C CNN
1 3950 1600
-1 0 0 1
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L VCC #PWR04
U 1 1 518B97A8
P 3800 1300
F 0 "#PWR04" H 3800 1400 30 0001 C CNN
F 1 "VCC" H 3800 1400 30 0000 C CNN
F 2 "" H 3800 1300 60 0000 C CNN
F 3 "" H 3800 1300 60 0000 C CNN
1 3800 1300
1 0 0 -1
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L VCC #PWR05
U 1 1 518B97E6
P 1650 2000
F 0 "#PWR05" H 1650 2100 30 0001 C CNN
F 1 "VCC" H 1650 2100 30 0000 C CNN
F 2 "" H 1650 2000 60 0000 C CNN
F 3 "" H 1650 2000 60 0000 C CNN
1 1650 2000
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L R R1
U 1 1 518B97EE
P 1650 2250
F 0 "R1" V 1730 2250 40 0000 C CNN
F 1 "10k" V 1657 2251 40 0000 C CNN
F 2 "~" V 1580 2250 30 0000 C CNN
F 3 "~" H 1650 2250 30 0000 C CNN
1 1650 2250
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$Comp
L C C3
U 1 1 518B9823
P 1450 2200
F 0 "C3" H 1450 2300 40 0000 L CNN
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F 3 "~" H 1450 2200 60 0000 C CNN
1 1450 2200
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L GND #PWR06
U 1 1 518B9838
P 1450 2400
F 0 "#PWR06" H 1450 2400 30 0001 C CNN
F 1 "GND" H 1450 2330 30 0001 C CNN
F 2 "" H 1450 2400 60 0000 C CNN
F 3 "" H 1450 2400 60 0000 C CNN
1 1450 2400
1 0 0 -1
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Text Label 1350 2600 0 60 ~ 0
RESET
$Comp
L SW_PUSH SW1
U 1 1 518B991E
P 1050 2600
F 0 "SW1" H 1200 2710 50 0000 C CNN
F 1 "SW_PUSH" H 1050 2520 50 0000 C CNN
F 2 "~" H 1050 2600 60 0000 C CNN
F 3 "~" H 1050 2600 60 0000 C CNN
1 1050 2600
1 0 0 -1
$EndComp
$Comp
L GND #PWR07
U 1 1 518B9959
P 750 2650
F 0 "#PWR07" H 750 2650 30 0001 C CNN
F 1 "GND" H 750 2580 30 0001 C CNN
F 2 "" H 750 2650 60 0000 C CNN
F 3 "" H 750 2650 60 0000 C CNN
1 750 2650
1 0 0 -1
$EndComp
$Comp
L R R3
U 1 1 518B9A66
P 6150 3550
F 0 "R3" V 6230 3550 40 0000 C CNN
F 1 "R" V 6157 3551 40 0000 C CNN
F 2 "~" V 6080 3550 30 0000 C CNN
F 3 "~" H 6150 3550 30 0000 C CNN
1 6150 3550
1 0 0 -1
$EndComp
$Comp
L R R2
U 1 1 518B9A6C
P 2050 2150
F 0 "R2" V 2130 2150 40 0000 C CNN
F 1 "R" V 2057 2151 40 0000 C CNN
F 2 "~" V 1980 2150 30 0000 C CNN
F 3 "~" H 2050 2150 30 0000 C CNN
1 2050 2150
1 0 0 -1
$EndComp
$Comp
L VCC #PWR08
U 1 1 518B9ABA
P 2050 1900
F 0 "#PWR08" H 2050 2000 30 0001 C CNN
F 1 "VCC" H 2050 2000 30 0000 C CNN
F 2 "" H 2050 1900 60 0000 C CNN
F 3 "" H 2050 1900 60 0000 C CNN
1 2050 1900
1 0 0 -1
$EndComp
$Comp
L VCC #PWR09
U 1 1 518B9B21
P 7000 2400
F 0 "#PWR09" H 7000 2500 30 0001 C CNN
F 1 "VCC" H 7000 2500 30 0000 C CNN
F 2 "" H 7000 2400 60 0000 C CNN
F 3 "" H 7000 2400 60 0000 C CNN
1 7000 2400
1 0 0 -1
$EndComp
$Comp
L GND #PWR010
U 1 1 518B9B27
P 7000 3500
F 0 "#PWR010" H 7000 3500 30 0001 C CNN
F 1 "GND" H 7000 3430 30 0001 C CNN
F 2 "" H 7000 3500 60 0000 C CNN
F 3 "" H 7000 3500 60 0000 C CNN
1 7000 3500
1 0 0 -1
$EndComp
$Comp
L C C7
U 1 1 518B9B2D
P 7150 2600
F 0 "C7" H 7150 2700 40 0000 L CNN
F 1 "100n" H 7156 2515 40 0000 L CNN
F 2 "~" H 7188 2450 30 0000 C CNN
F 3 "~" H 7150 2600 60 0000 C CNN
1 7150 2600
-1 0 0 1
$EndComp
$Comp
L GND #PWR011
U 1 1 518B9BA1
P 7150 2800
F 0 "#PWR011" H 7150 2800 30 0001 C CNN
F 1 "GND" H 7150 2730 30 0001 C CNN
F 2 "" H 7150 2800 60 0000 C CNN
F 3 "" H 7150 2800 60 0000 C CNN
1 7150 2800
1 0 0 -1
$EndComp
$Comp
L AVR-ISP-6 CON1
U 1 1 518B9ED3
P 3800 4300
F 0 "CON1" H 3720 4540 50 0000 C CNN
F 1 "AVR-ISP-6" H 3560 4070 50 0000 L BNN
F 2 "AVR-ISP-6" V 3280 4340 50 0001 C CNN
F 3 "~" H 3800 4300 60 0000 C CNN
1 3800 4300
1 0 0 -1
$EndComp
Text Label 3150 4200 0 60 ~ 0
MISO
Text Label 3150 4300 0 60 ~ 0
SCL
Text Label 3150 4400 0 60 ~ 0
RESET
Text Label 4450 4300 2 60 ~ 0
SDA
$Comp
L GND #PWR012
U 1 1 518BA158
P 4450 4450
F 0 "#PWR012" H 4450 4450 30 0001 C CNN
F 1 "GND" H 4450 4380 30 0001 C CNN
F 2 "" H 4450 4450 60 0000 C CNN
F 3 "" H 4450 4450 60 0000 C CNN
1 4450 4450
1 0 0 -1
$EndComp
$Comp
L VCC #PWR013
U 1 1 518BA15E
P 4450 4150
F 0 "#PWR013" H 4450 4250 30 0001 C CNN
F 1 "VCC" H 4450 4250 30 0000 C CNN
F 2 "" H 4450 4150 60 0000 C CNN
F 3 "" H 4450 4150 60 0000 C CNN
1 4450 4150
1 0 0 -1
$EndComp
Text Label 5400 3350 2 60 ~ 0
MISO
$Comp
L R R4
U 1 1 518BA4A5
P 6450 3450
F 0 "R4" V 6530 3450 40 0000 C CNN
F 1 "10k" V 6457 3451 40 0000 C CNN
F 2 "~" V 6380 3450 30 0000 C CNN
F 3 "~" H 6450 3450 30 0000 C CNN
1 6450 3450
1 0 0 -1
$EndComp
$Comp
L GND #PWR014
U 1 1 518BA4B2
P 6450 3700
F 0 "#PWR014" H 6450 3700 30 0001 C CNN
F 1 "GND" H 6450 3630 30 0001 C CNN
F 2 "" H 6450 3700 60 0000 C CNN
F 3 "" H 6450 3700 60 0000 C CNN
1 6450 3700
1 0 0 -1
$EndComp
$Comp
L P82B96 U1
U 1 1 518BB0F8
P 7100 1550
F 0 "U1" H 7250 2050 60 0000 C CNN
F 1 "P82B96" H 7100 1050 60 0000 C CNN
F 2 "" H 7100 1550 60 0000 C CNN
F 3 "" H 7100 1550 60 0000 C CNN
1 7100 1550
1 0 0 -1
$EndComp
$Comp
L VCC #PWR015
U 1 1 518BB10F
P 6350 700
F 0 "#PWR015" H 6350 800 30 0001 C CNN
F 1 "VCC" H 6350 800 30 0000 C CNN
F 2 "" H 6350 700 60 0000 C CNN
F 3 "" H 6350 700 60 0000 C CNN
1 6350 700
1 0 0 -1
$EndComp
$Comp
L GND #PWR016
U 1 1 518BB115
P 6350 2000
F 0 "#PWR016" H 6350 2000 30 0001 C CNN
F 1 "GND" H 6350 1930 30 0001 C CNN
F 2 "" H 6350 2000 60 0000 C CNN
F 3 "" H 6350 2000 60 0000 C CNN
1 6350 2000
1 0 0 -1
$EndComp
$Comp
L C C4
U 1 1 518BB14F
P 6200 900
F 0 "C4" H 6200 1000 40 0000 L CNN
F 1 "100n" H 6206 815 40 0000 L CNN
F 2 "~" H 6238 750 30 0000 C CNN
F 3 "~" H 6200 900 60 0000 C CNN
1 6200 900
-1 0 0 1
$EndComp
$Comp
L GND #PWR017
U 1 1 518BB226
P 6200 1100
F 0 "#PWR017" H 6200 1100 30 0001 C CNN
F 1 "GND" H 6200 1030 30 0001 C CNN
F 2 "" H 6200 1100 60 0000 C CNN
F 3 "" H 6200 1100 60 0000 C CNN
1 6200 1100
1 0 0 -1
$EndComp
Text Label 6000 1400 0 60 ~ 0
SDA
Text Label 6000 1700 0 60 ~ 0
SCL
$Comp
L ATTINY1634-S IC1
U 1 1 5191339D
P 3800 2900
F 0 "IC1" H 2700 3750 40 0000 C CNN
F 1 "ATTINY1634-S" H 4750 2100 40 0000 C CNN
F 2 "SO20" H 3800 2900 35 0000 C CIN
F 3 "~" H 3800 2900 60 0000 C CNN
1 3800 2900
1 0 0 -1
$EndComp
$Comp
L GND #PWR018
U 1 1 51913A70
P 3800 3800
F 0 "#PWR018" H 3800 3800 30 0001 C CNN
F 1 "GND" H 3800 3730 30 0001 C CNN
F 2 "" H 3800 3800 60 0000 C CNN
F 3 "" H 3800 3800 60 0000 C CNN
1 3800 3800
1 0 0 -1
$EndComp
Text Label 2150 2400 0 60 ~ 0
SCL
$Comp
L VCC #PWR019
U 1 1 51913AD9
P 6150 3300
F 0 "#PWR019" H 6150 3400 30 0001 C CNN
F 1 "VCC" H 6150 3400 30 0000 C CNN
F 2 "" H 6150 3300 60 0000 C CNN
F 3 "" H 6150 3300 60 0000 C CNN
1 6150 3300
1 0 0 -1
$EndComp
Text Label 5200 3250 0 60 ~ 0
SDA
$Comp
L CONN_4 P1
U 1 1 51913C29
P 10050 1500
F 0 "P1" V 10000 1500 50 0000 C CNN
F 1 "I2C" V 10100 1500 50 0000 C CNN
F 2 "~" H 10050 1500 60 0000 C CNN
F 3 "~" H 10050 1500 60 0000 C CNN
1 10050 1500
1 0 0 -1
$EndComp
$Comp
L VCC #PWR020
U 1 1 51913C40
P 9700 800
F 0 "#PWR020" H 9700 900 30 0001 C CNN
F 1 "VCC" H 9700 900 30 0000 C CNN
F 2 "" H 9700 800 60 0000 C CNN
F 3 "" H 9700 800 60 0000 C CNN
1 9700 800
1 0 0 -1
$EndComp
$Comp
L GND #PWR021
U 1 1 51913C46
P 9700 1750
F 0 "#PWR021" H 9700 1750 30 0001 C CNN
F 1 "GND" H 9700 1680 30 0001 C CNN
F 2 "" H 9700 1750 60 0000 C CNN
F 3 "" H 9700 1750 60 0000 C CNN
1 9700 1750
1 0 0 -1
$EndComp
$Comp
L C C5
U 1 1 51913C78
P 9500 1000
F 0 "C5" H 9500 1100 40 0000 L CNN
F 1 "100n" H 9506 915 40 0000 L CNN
F 2 "~" H 9538 850 30 0000 C CNN
F 3 "~" H 9500 1000 60 0000 C CNN
1 9500 1000
-1 0 0 1
$EndComp
$Comp
L GND #PWR022
U 1 1 51913CDF
P 9500 1200
F 0 "#PWR022" H 9500 1200 30 0001 C CNN
F 1 "GND" H 9500 1130 30 0001 C CNN
F 2 "" H 9500 1200 60 0000 C CNN
F 3 "" H 9500 1200 60 0000 C CNN
1 9500 1200
1 0 0 -1
$EndComp
Text Label 8550 1250 0 60 ~ 0
SDA_OUT
Text Label 8550 1850 0 60 ~ 0
SCL_OUT
$Comp
L R R5
U 1 1 51914955
P 7500 3550
F 0 "R5" V 7580 3550 40 0000 C CNN
F 1 "120" V 7507 3551 40 0000 C CNN
F 2 "~" V 7430 3550 30 0000 C CNN
F 3 "~" H 7500 3550 30 0000 C CNN
1 7500 3550
-1 0 0 1
$EndComp
$Comp
L JUMPER JP1
U 1 1 51914A01
P 7800 3800
F 0 "JP1" H 7800 3950 60 0000 C CNN
F 1 "JUMPER" H 7800 3720 40 0000 C CNN
F 2 "~" H 7800 3800 60 0000 C CNN
F 3 "~" H 7800 3800 60 0000 C CNN
1 7800 3800
1 0 0 -1
$EndComp
Text Label 8750 3050 2 60 ~ 0
MODBUS_A
Text Label 8750 3250 2 60 ~ 0
MODBUS_B
$Comp
L R R6
U 1 1 51914D89
P 8050 1000
F 0 "R6" V 8130 1000 40 0000 C CNN
F 1 "R" V 8057 1001 40 0000 C CNN
F 2 "~" V 7980 1000 30 0000 C CNN
F 3 "~" H 8050 1000 30 0000 C CNN
1 8050 1000
1 0 0 -1
$EndComp
$Comp
L R R7
U 1 1 51914DFB
P 8200 1600
F 0 "R7" V 8280 1600 40 0000 C CNN
F 1 "R" V 8207 1601 40 0000 C CNN
F 2 "~" V 8130 1600 30 0000 C CNN
F 3 "~" H 8200 1600 30 0000 C CNN
1 8200 1600
1 0 0 -1
$EndComp
$Comp
L VCC #PWR023
U 1 1 51914EDC
P 8050 750
F 0 "#PWR023" H 8050 850 30 0001 C CNN
F 1 "VCC" H 8050 850 30 0000 C CNN
F 2 "" H 8050 750 60 0000 C CNN
F 3 "" H 8050 750 60 0000 C CNN
1 8050 750
1 0 0 -1
$EndComp
$Comp
L VCC #PWR024
U 1 1 51914EE2
P 8200 1350
F 0 "#PWR024" H 8200 1450 30 0001 C CNN
F 1 "VCC" H 8200 1450 30 0000 C CNN
F 2 "" H 8200 1350 60 0000 C CNN
F 3 "" H 8200 1350 60 0000 C CNN
1 8200 1350
1 0 0 -1
$EndComp
Wire Wire Line
2500 2700 2250 2700
Wire Wire Line
2500 3300 2250 3300
Wire Wire Line
1850 2700 1850 2800
Wire Wire Line
1850 3300 1850 3400
Wire Wire Line
3800 1300 3800 1950
Wire Wire Line
1450 2000 1650 2000
Wire Wire Line
1350 2600 2500 2600
Wire Wire Line
1650 2500 1650 2600
Wire Wire Line
750 2600 750 2650
Wire Wire Line
6600 3000 5100 3000
Wire Wire Line
7000 2400 7000 2800
Wire Wire Line
7000 2400 7150 2400
Wire Wire Line
3150 4200 3675 4200
Wire Wire Line
3150 4300 3675 4300
Wire Wire Line
3150 4400 3675 4400
Wire Wire Line
3925 4200 4450 4200
Wire Wire Line
3925 4300 4450 4300
Wire Wire Line
3925 4400 4450 4400
Wire Wire Line
4450 4200 4450 4150
Wire Wire Line
4450 4400 4450 4450
Wire Wire Line
5100 3350 5400 3350
Wire Wire Line
6600 3100 6600 3200
Wire Wire Line
2500 2800 2500 3300
Wire Wire Line
6350 2000 6350 1900
Wire Wire Line
6350 700 6350 1200
Wire Wire Line
6200 700 6350 700
Wire Wire Line
6350 1400 6000 1400
Wire Wire Line
6350 1700 6000 1700
Wire Wire Line
6600 3300 6250 3300
Wire Wire Line
6250 3300 6250 3150
Wire Wire Line
6250 3150 5100 3150
Wire Wire Line
6600 3200 6450 3200
Wire Wire Line
5100 2900 6450 2900
Wire Wire Line
6450 2900 6450 3200
Connection ~ 1650 2600
Wire Wire Line
3950 1400 3800 1400
Connection ~ 3800 1400
Wire Wire Line
2500 2400 2050 2400
Wire Wire Line
5100 3250 6000 3250
Wire Wire Line
6000 3250 6000 3800
Wire Wire Line
6000 3800 6150 3800
Wire Wire Line
9700 1650 9700 1750
Wire Wire Line
9700 800 9700 1350
Wire Wire Line
9500 800 9700 800
Wire Wire Line
7400 3250 9000 3250
Wire Wire Line
8100 3800 8100 3050
Connection ~ 8100 3050
Wire Wire Line
7850 1400 7850 1250
Wire Wire Line
7850 1250 9300 1250
Wire Wire Line
7850 1700 7850 1850
Wire Wire Line
7850 1850 9200 1850
Wire Wire Line
9200 1850 9200 1550
Connection ~ 8200 1850
Wire Wire Line
9300 1250 9300 1650
Connection ~ 8050 1250
Wire Wire Line
9200 1550 9450 1550
Wire Wire Line
9450 1550 9450 1450
Wire Wire Line
9450 1450 9700 1450
Wire Wire Line
9300 1650 9550 1650
Wire Wire Line
9550 1650 9550 1550
Wire Wire Line
9550 1550 9700 1550
Wire Wire Line
7500 3300 7500 3250
Connection ~ 7500 3250
$Comp
L CONN_3 K1
U 1 1 51947B16
P 9350 3050
F 0 "K1" V 9300 3050 50 0000 C CNN
F 1 "RS458" V 9400 3050 40 0000 C CNN
F 2 "~" H 9350 3050 60 0000 C CNN
F 3 "~" H 9350 3050 60 0000 C CNN
1 9350 3050
1 0 0 1
$EndComp
$Comp
L GND #PWR025
U 1 1 51947BB1
P 8900 2850
F 0 "#PWR025" H 8900 2850 30 0001 C CNN
F 1 "GND" H 8900 2780 30 0001 C CNN
F 2 "" H 8900 2850 60 0000 C CNN
F 3 "" H 8900 2850 60 0000 C CNN
1 8900 2850
1 0 0 -1
$EndComp
Wire Wire Line
7400 3050 9000 3050
Wire Wire Line
9000 3250 9000 3150
Wire Wire Line
9000 2950 9000 2800
Wire Wire Line
9000 2800 8900 2800
Wire Wire Line
8900 2800 8900 2850
$EndSCHEMATC
c4c1b292aThis file is pinned to the selected release. Download the original to open it in your design tool.