EESchema Schematic File Version 2 date Mon 27 Feb 2012 00:23:59 CET LIBS:mur-sat LIBS:microchip-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: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 24 0 EELAYER END $Descr A4 11700 8267 Sheet 1 2 Title "IHU, TTX, RTC" Date "25 feb 2012" Rev "1" Comp "mur.sat - A Space Art Project" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Comp L LTC3226 U? U 1 1 4F4A6384 P 4700 4550 F 0 "U?" H 4700 4600 60 0000 C CNN F 1 "LTC3226" H 4700 4500 60 0000 C CNN 1 4700 4550 1 0 0 -1 $EndComp $Comp L LT3014 U? U 1 1 4F4A6016 P 2150 4200 F 0 "U?" H 2150 4200 60 0000 C CNN F 1 "LT3014" H 2150 4300 60 0000 C CNN 1 2150 4200 1 0 0 -1 $EndComp Wire Wire Line 2250 1650 1450 1650 Wire Wire Line 1450 1750 2250 1750 Wire Wire Line 3950 2300 6050 2300 Wire Wire Line 4750 2700 6050 2700 Wire Wire Line 4750 2500 6050 2500 Wire Wire Line 2250 2550 1450 2550 Wire Wire Line 1450 2450 2250 2450 Wire Wire Line 2250 2350 1450 2350 Wire Wire Line 1450 2250 2250 2250 Wire Wire Line 2250 2150 1450 2150 Wire Wire Line 1450 2050 2250 2050 Wire Wire Line 2250 1950 1450 1950 Wire Wire Line 1450 1850 2250 1850 Wire Wire Line 3650 5950 3350 5950 Wire Wire Line 9350 3300 10100 3300 Wire Wire Line 4750 3100 6050 3100 Connection ~ 8400 6000 Wire Wire Line 8400 6000 8400 6300 Wire Wire Line 8400 6300 9250 6300 Wire Wire Line 9250 6300 9250 6200 Wire Wire Line 9250 6200 10050 6200 Wire Wire Line 10000 6400 10000 6300 Wire Wire Line 10000 6300 10050 6300 Wire Wire Line 9350 5900 10050 5900 Wire Wire Line 5650 1550 5450 1550 Wire Wire Line 5450 1550 5450 1250 Wire Wire Line 5650 1250 6050 1250 Wire Wire Line 5550 1350 5550 1250 Wire Wire Line 1450 1550 1450 1500 Wire Wire Line 1450 2650 1450 2700 Wire Wire Line 4300 6100 4300 5900 Connection ~ 3500 5300 Wire Wire Line 4400 5300 2650 5300 Wire Wire Line 4300 5300 4300 5500 Connection ~ 5800 4800 Wire Wire Line 5800 5350 5800 4750 Wire Wire Line 5600 5350 5600 5300 Wire Wire Line 5600 5300 6000 5300 Connection ~ 1500 5300 Wire Wire Line 1500 5250 1500 6050 Wire Wire Line 10050 2400 10050 2450 Wire Wire Line 10050 2300 9500 2300 Wire Wire Line 10050 2100 9500 2100 Wire Wire Line 10050 1900 9500 1900 Connection ~ 4150 2300 Wire Wire Line 4150 2300 4150 1750 Wire Wire Line 3950 2150 3950 2200 Wire Wire Line 4450 1700 4450 1650 Wire Wire Line 3950 1600 3950 1650 Wire Wire Line 3950 1650 4450 1650 Wire Wire Line 6050 2000 4750 2000 Wire Wire Line 3650 3500 3550 3500 Wire Wire Line 3650 2900 3550 2900 Wire Wire Line 6850 1200 6850 1400 Connection ~ 6850 1300 Wire Wire Line 6850 1300 7000 1300 Wire Wire Line 6850 3900 6850 3950 Wire Wire Line 3350 5750 3650 5750 Wire Wire Line 900 5850 1650 5850 Wire Wire Line 7950 6300 7450 6300 Connection ~ 5600 6000 Wire Wire Line 5600 5850 5600 6000 Wire Wire Line 6000 6000 5150 6000 Wire Wire Line 7750 3600 8500 3600 Wire Wire Line 8500 3400 7750 3400 Wire Wire Line 8500 3300 7750 3300 Wire Wire Line 8500 2900 7750 2900 Wire Wire Line 8500 2700 7750 2700 Wire Wire Line 8500 2500 7750 2500 Wire Wire Line 8500 2300 7750 2300 Wire Wire Line 7750 2100 8500 2100 Wire Wire Line 8500 1900 7750 1900 Wire Wire Line 6050 3400 4750 3400 Wire Wire Line 4750 3600 6050 3600 Wire Wire Line 10100 3500 10100 3600 Wire Wire Line 1500 6050 1650 6050 Wire Wire Line 7850 4750 7850 4800 Connection ~ 7950 5900 Wire Wire Line 7450 5600 7550 5600 Wire Wire Line 7550 5600 7550 5900 Wire Wire Line 7550 5900 8550 5900 Wire Wire Line 8200 5800 8200 6000 Wire Wire Line 7950 5300 7950 5250 Wire Wire Line 7950 4850 7950 4800 Wire Wire Line 8550 5800 8550 5750 Wire Wire Line 8550 6100 8550 6150 Wire Wire Line 7450 5300 7650 5300 Wire Wire Line 7450 6000 8550 6000 Connection ~ 8200 6000 Wire Wire Line 8200 4850 8200 4800 Wire Wire Line 7550 5300 7550 4800 Connection ~ 7550 5300 Wire Wire Line 8200 5300 8200 5250 Wire Wire Line 7950 5900 7950 5800 Wire Wire Line 7650 4750 7650 4800 Wire Wire Line 8200 4800 7850 4800 Connection ~ 7950 4800 Wire Wire Line 7650 4800 6900 4800 Connection ~ 7550 4800 Wire Wire Line 10100 3000 10100 2900 Wire Wire Line 6050 3500 4750 3500 Wire Wire Line 4750 3300 6050 3300 Wire Wire Line 7750 1800 8500 1800 Wire Wire Line 7750 2000 8500 2000 Wire Wire Line 7750 2200 8500 2200 Wire Wire Line 8500 2400 7750 2400 Wire Wire Line 7750 2800 8500 2800 Wire Wire Line 7750 3000 8500 3000 Wire Wire Line 7750 3500 8500 3500 Wire Wire Line 6000 5600 5150 5600 Wire Wire Line 5150 6300 6000 6300 Wire Wire Line 5800 5850 5800 6300 Connection ~ 5800 6300 Wire Wire Line 1650 5950 900 5950 Wire Wire Line 1650 5750 900 5750 Wire Wire Line 6950 3900 6950 3950 Wire Wire Line 6950 1400 6950 1300 Connection ~ 6950 1300 Wire Wire Line 7400 1300 7500 1300 Wire Wire Line 6050 2900 4050 2900 Connection ~ 4200 2900 Wire Wire Line 4050 3500 4600 3500 Wire Wire Line 4600 3500 4600 3000 Wire Wire Line 4600 3000 6050 3000 Connection ~ 4200 3500 Wire Wire Line 6050 1900 4750 1900 Wire Wire Line 4750 2100 6050 2100 Wire Wire Line 4150 1750 3950 1750 Wire Wire Line 3950 1850 3950 1900 Wire Wire Line 3950 2400 3950 2450 Wire Wire Line 4450 2300 4450 2200 Connection ~ 4450 2300 Wire Wire Line 9500 2000 10050 2000 Wire Wire Line 9500 2200 10050 2200 Wire Wire Line 1500 5300 2250 5300 Wire Wire Line 5800 4800 6500 4800 Connection ~ 5800 5300 Wire Wire Line 3500 5300 3500 5850 Wire Wire Line 3500 5850 3350 5850 Connection ~ 4300 5300 Wire Wire Line 10050 1800 10050 1750 Wire Wire Line 3350 6050 4300 6050 Connection ~ 4300 6050 Wire Wire Line 5250 1350 5250 1250 Wire Wire Line 6050 1250 6050 1700 Wire Wire Line 5650 1650 5350 1650 Wire Wire Line 5350 1650 5350 1250 Wire Wire Line 10050 6000 9900 6000 Wire Wire Line 8400 5900 8400 5550 Connection ~ 8400 5900 Wire Wire Line 8400 5550 9250 5550 Wire Wire Line 9250 5550 9250 6100 Wire Wire Line 9250 6100 10050 6100 Wire Wire Line 6050 3200 4750 3200 Wire Wire Line 7750 3100 10100 3100 Wire Wire Line 10100 3200 7750 3200 Wire Wire Line 10100 3400 9350 3400 Wire Wire Line 4750 2400 6050 2400 Wire Wire Line 4750 2600 6050 2600 Wire Wire Line 4750 2200 6050 2200 Text Label 5650 1650 0 60 ~ 0 I2C_SDA Text Label 5650 1550 0 60 ~ 0 I2C_SCL Text Label 8500 3500 0 60 ~ 0 RD3 Text Label 8500 3600 0 60 ~ 0 RD2 Text Label 4750 3600 0 60 ~ 0 RD1 Text Label 4750 3500 0 60 ~ 0 RD0 Text Label 4750 2300 0 60 ~ 0 1WIRE Text Label 4750 2200 0 60 ~ 0 MAIN_V Text Label 8500 2000 0 60 ~ 0 RTC_RST Text Label 8500 2400 0 60 ~ 0 SOLAR_V1 Text Label 1600 1750 0 60 ~ 0 SOLAR_V0 Text Label 1600 1650 0 60 ~ 0 SOLAR_V1 $Comp L CONN_12 P? U 1 1 4F48286D P 1100 2100 F 0 "P?" V 1050 2100 60 0000 C CNN F 1 "SOLAR" V 1150 2100 60 0000 C CNN 1 1100 2100 -1 0 0 1 $EndComp $Sheet S 2250 1500 700 1200 U 4ED2A6C3 F0 "solar-input" 60 F1 "solar-input.sch" 60 F2 "SOLAR_C7" I L 2250 1850 60 F3 "SOLAR_C6" I L 2250 1950 60 F4 "SOLAR_C5" I L 2250 2050 60 F5 "SOLAR_C4" I L 2250 2150 60 F6 "SOLAR_C3" I L 2250 2250 60 F7 "SOLAR_C2" I L 2250 2350 60 F8 "SOLAR_C1" I L 2250 2450 60 F9 "SOLAR_C0" I L 2250 2550 60 F10 "SOLAR_V1" I L 2250 1650 60 F11 "SOLAR_V0" I L 2250 1750 60 $EndSheet Text Label 3650 5950 0 60 ~ 0 RTC_RST Text Label 9350 3400 0 60 ~ 0 MPU_RESET Text Label 9350 3300 0 60 ~ 0 MPU_PWRDWN Text Label 4750 3200 0 60 ~ 0 MPU_RESET Text Label 4750 3100 0 60 ~ 0 MPU_PWRDWN Text Label 8500 3200 0 60 ~ 0 MPU_TX Text Label 8500 3100 0 60 ~ 0 MPU_RX Text Label 9350 5900 0 60 ~ 0 TTX_RESET $Comp L GND #PWR01 U 1 1 4ED29384 P 10000 6400 F 0 "#PWR01" H 10000 6400 30 0001 C CNN F 1 "GND" H 10000 6330 30 0001 C CNN 1 10000 6400 1 0 0 -1 $EndComp $Comp L VCC #PWR02 U 1 1 4ED29375 P 9900 6000 F 0 "#PWR02" H 9900 6100 30 0001 C CNN F 1 "VCC" H 9900 6100 30 0000 C CNN 1 9900 6000 0 -1 -1 0 $EndComp $Comp L VCC #PWR03 U 1 1 4ED292BB P 5550 1350 F 0 "#PWR03" H 5550 1450 30 0001 C CNN F 1 "VCC" H 5550 1450 30 0000 C CNN 1 5550 1350 -1 0 0 1 $EndComp $Comp L GND #PWR04 U 1 1 4ED292B6 P 5250 1350 F 0 "#PWR04" H 5250 1350 30 0001 C CNN F 1 "GND" H 5250 1280 30 0001 C CNN 1 5250 1350 1 0 0 -1 $EndComp $Comp L CONN_5 P11 U 1 1 4ED2927C P 10450 6100 F 0 "P11" V 10400 6100 50 0000 C CNN F 1 "ICSP_TTX" V 10500 6100 50 0000 C CNN 1 10450 6100 1 0 0 -1 $EndComp $Comp L CONN_5 P10 U 1 1 4ED2926E P 5450 850 F 0 "P10" V 5400 850 50 0000 C CNN F 1 "ICSP_IHU" V 5500 850 50 0000 C CNN 1 5450 850 0 -1 -1 0 $EndComp $Comp L VCC #PWR05 U 1 1 4ED29257 P 1450 1500 F 0 "#PWR05" H 1450 1600 30 0001 C CNN F 1 "VCC" H 1450 1600 30 0000 C CNN 1 1450 1500 1 0 0 -1 $EndComp $Comp L VAA #PWR114 U 1 1 4ED1BC30 P 4300 6100 F 0 "#PWR114" H 4300 6160 30 0001 C CNN F 1 "VAA" H 4300 6210 30 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30 0001 C CNN 1 10050 2450 1 0 0 -1 $EndComp Text Label 9500 2300 0 60 ~ 0 RC2 Text Label 9500 2200 0 60 ~ 0 RC3 Text Label 9500 2100 0 60 ~ 0 RC4 Text Label 9500 2000 0 60 ~ 0 RC5 Text Label 9500 1900 0 60 ~ 0 RB7 $Comp L CONN_7 P7 U 1 1 4ED1B6CE P 10400 2100 F 0 "P7" V 10370 2100 60 0000 C CNN F 1 "UNUSED" V 10470 2100 60 0000 C CNN 1 10400 2100 1 0 0 -1 $EndComp $Comp L VCC #PWR012 U 1 1 4ED1B642 P 3950 2150 F 0 "#PWR012" H 3950 2250 30 0001 C CNN F 1 "VCC" H 3950 2250 30 0000 C CNN 1 3950 2150 1 0 0 -1 $EndComp $Comp L VCC #PWR013 U 1 1 4ED1B63F P 3950 1600 F 0 "#PWR013" H 3950 1700 30 0001 C CNN F 1 "VCC" H 3950 1700 30 0000 C CNN 1 3950 1600 1 0 0 -1 $EndComp $Comp L GND #PWR014 U 1 1 4ED1B60A P 3950 1900 F 0 "#PWR014" H 3950 1900 30 0001 C CNN F 1 "GND" H 3950 1830 30 0001 C CNN 1 3950 1900 1 0 0 -1 $EndComp $Comp L GND #PWR015 U 1 1 4ED1B5FF P 3950 2450 F 0 "#PWR015" H 3950 2450 30 0001 C CNN F 1 "GND" H 3950 2380 30 0001 C CNN 1 3950 2450 1 0 0 -1 $EndComp Text Label 4750 2500 0 60 ~ 0 SOLAR_C4 Text Label 4750 2400 0 60 ~ 0 SOLAR_C3 Text Label 4750 2100 0 60 ~ 0 SOLAR_C2 Text Label 4750 2000 0 60 ~ 0 SOLAR_C1 Text Label 4750 1900 0 60 ~ 0 SOLAR_C0 Text Label 4750 2600 0 60 ~ 0 SOLAR_C5 Text Label 4750 2700 0 60 ~ 0 SOLAR_C6 Text Label 8500 2300 0 60 ~ 0 SOLAR_C7 $Comp L GND #PWR016 U 1 1 4ED1B4C0 P 3550 3500 F 0 "#PWR016" H 3550 3500 30 0001 C CNN F 1 "GND" H 3550 3430 30 0001 C CNN 1 3550 3500 0 1 1 0 $EndComp $Comp L GND #PWR017 U 1 1 4ED1B4BE P 3550 2900 F 0 "#PWR017" H 3550 2900 30 0001 C CNN F 1 "GND" H 3550 2830 30 0001 C CNN 1 3550 2900 0 1 1 0 $EndComp $Comp L GND #PWR018 U 1 1 4ED1B496 P 7500 1300 F 0 "#PWR018" H 7500 1300 30 0001 C CNN F 1 "GND" H 7500 1230 30 0001 C CNN 1 7500 1300 0 -1 -1 0 $EndComp $Comp L VCC #PWR019 U 1 1 4ED1B486 P 6850 1200 F 0 "#PWR019" H 6850 1300 30 0001 C CNN F 1 "VCC" H 6850 1300 30 0000 C CNN 1 6850 1200 1 0 0 -1 $EndComp $Comp L GND #PWR020 U 1 1 4ED1B475 P 6850 3950 F 0 "#PWR020" H 6850 3950 30 0001 C CNN F 1 "GND" H 6850 3880 30 0001 C CNN 1 6850 3950 1 0 0 -1 $EndComp $Comp L GND #PWR021 U 1 1 4ED1B470 P 6950 3950 F 0 "#PWR021" H 6950 3950 30 0001 C CNN F 1 "GND" H 6950 3880 30 0001 C CNN 1 6950 3950 1 0 0 -1 $EndComp Text Label 8500 2500 0 60 ~ 0 CRX_INT Text Label 8500 2200 0 60 ~ 0 SOLAR_V0 Text Label 8500 2100 0 60 ~ 0 RTC_INT Text Label 4750 3400 0 60 ~ 0 RC3 Text Label 4750 3300 0 60 ~ 0 RC2 Text Label 8500 3400 0 60 ~ 0 RC4 Text Label 8500 3300 0 60 ~ 0 RC5 Text Label 8500 3000 0 60 ~ 0 CRX_PWRDWN Text Label 8500 2900 0 60 ~ 0 TTX_RESET Text Label 8500 2800 0 60 ~ 0 TTX_SCL Text Label 8500 2700 0 60 ~ 0 TTX_SDA $Comp L GND #PWR022 U 1 1 4ED1B142 P 10100 3600 F 0 "#PWR022" H 10100 3600 30 0001 C CNN F 1 "GND" H 10100 3530 30 0001 C CNN 1 10100 3600 1 0 0 -1 $EndComp $Comp L VCC #PWR023 U 1 1 4ED1B13D P 10100 2900 F 0 "#PWR023" H 10100 3000 30 0001 C CNN F 1 "VCC" H 10100 3000 30 0000 C CNN 1 10100 2900 1 0 0 -1 $EndComp Text Label 900 5850 0 60 ~ 0 RTC_INT Text Label 900 5750 0 60 ~ 0 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1 4ED17DA1 P 5800 4750 F 0 "#PWR027" H 5800 4850 30 0001 C CNN F 1 "VCC" H 5800 4850 30 0000 C CNN 1 5800 4750 1 0 0 -1 $EndComp $Comp L GND #PWR028 U 1 1 4ED17CF1 P 7650 5300 F 0 "#PWR028" H 7650 5300 30 0001 C CNN F 1 "GND" H 7650 5230 30 0001 C CNN 1 7650 5300 0 -1 -1 0 $EndComp Text Label 5150 6300 0 60 ~ 0 TTX_RESET Text Label 5150 6000 0 60 ~ 0 TTX_SDA Text Label 7950 6300 0 60 ~ 0 TTX_SCL Text Label 5150 5600 0 60 ~ 0 1HZ NoConn ~ 5650 5600 $Comp L CONN_3 K1 U 1 1 4ED173C0 P 3600 1750 F 0 "K1" V 3550 1750 50 0000 C CNN F 1 "1WIRE" V 3650 1750 40 0000 C CNN 1 3600 1750 -1 0 0 1 $EndComp $Comp L CONN_3 K2 U 1 1 4ED173BF P 3600 2300 F 0 "K2" V 3550 2300 50 0000 C CNN F 1 "1WIRE" V 3650 2300 40 0000 C CNN 1 3600 2300 -1 0 0 1 $EndComp $Comp L CONN_6 P6 U 1 1 4ED1584E P 10450 3250 F 0 "P6" V 10400 3250 60 0000 C CNN F 1 "MPU" V 10500 3250 60 0000 C CNN 1 10450 3250 1 0 0 -1 $EndComp $Comp L CP1 C5 U 1 1 4ED1580C P 4300 5700 F 0 "C5" H 4350 5800 50 0000 L CNN F 1 "GOLDCAP" H 4350 5600 50 0000 L CNN 1 4300 5700 -1 0 0 1 $EndComp $Comp L CONN_4 P4 U 1 1 4ED154E3 P 8900 5950 F 0 "P4" V 8850 5950 50 0000 C CNN F 1 "CW_OUT" V 8950 5950 50 0000 C CNN 1 8900 5950 1 0 0 -1 $EndComp $Comp L R R1 U 1 1 4ED154A7 P 5600 5600 F 0 "R1" V 5680 5600 50 0000 C CNN F 1 "10k" V 5600 5600 50 0000 C CNN 1 5600 5600 1 0 0 -1 $EndComp $Comp L R R2 U 1 1 4ED15442 P 5800 5600 F 0 "R2" V 5880 5600 50 0000 C CNN F 1 "47k" V 5800 5600 50 0000 C CNN 1 5800 5600 1 0 0 -1 $EndComp $Comp L R R4 U 1 1 4ED15421 P 8200 5550 F 0 "R4" V 8280 5550 50 0000 C CNN F 1 "1k" V 8200 5550 50 0000 C CNN 1 8200 5550 1 0 0 -1 $EndComp $Comp L R R3 U 1 1 4ED1540B P 7950 5550 F 0 "R3" V 8030 5550 50 0000 C CNN F 1 "1k" V 7950 5550 50 0000 C CNN 1 7950 5550 1 0 0 -1 $EndComp $Comp L C C1 U 1 1 4ED153CB P 2450 5300 F 0 "C1" H 2500 5400 50 0000 L CNN F 1 "100n" V 2500 5200 50 0000 L CNN 1 2450 5300 0 1 1 0 $EndComp $Comp L C C3 U 1 1 4ED153B2 P 3850 2900 F 0 "C3" H 3900 3000 50 0000 L CNN F 1 "22p" V 3900 2800 50 0000 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