EESchema Schematic File Version 2 date Sun Feb 6 17:42:09 2011 LIBS:power LIBS:device LIBS:conn LIBS:8_10-card LIBS:atmega48-mmu EELAYER 24 0 EELAYER END $Descr A4 11700 8267 Sheet 1 1 Title "External UART (3.3 V) as 8:10 card" Date "2 feb 2011" Rev "20110131" Comp "Werner Almesberger" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr Wire Wire Line 4950 4550 4950 5350 Wire Wire Line 4950 5350 8050 5350 Wire Wire Line 3100 3600 2700 3600 Wire Wire Line 2700 3600 2700 4550 Wire Wire Line 2700 4550 2400 4550 Wire Wire Line 2400 4750 4350 4750 Wire Wire Line 4350 4750 4350 4550 Wire Wire Line 3450 1550 3650 1550 Wire Wire Line 5250 4550 5250 5850 Wire Wire Line 5250 5850 8050 5850 Wire Wire Line 8050 5150 6200 5150 Wire Wire Line 1850 3600 1850 4000 Wire Wire Line 3100 3000 1850 3000 Wire Wire Line 6700 3450 6500 3450 Wire Wire Line 3100 3300 2900 3300 Wire Wire Line 2900 3300 2900 5550 Wire Wire Line 2900 5550 8050 5550 Wire Wire Line 4300 1050 4500 1050 Wire Wire Line 3300 1050 3800 1050 Wire Wire Line 3500 1250 3500 950 Wire Wire Line 3500 950 3300 950 Wire Wire Line 4500 1050 4500 1750 Wire Wire Line 4650 1750 4650 850 Wire Wire Line 3300 850 3800 850 Wire Wire Line 4650 850 4300 850 Wire Wire Line 5700 4550 5700 4750 Wire Wire Line 6500 3600 6700 3600 Wire Wire Line 7250 6050 7250 5650 Wire Wire Line 7250 5650 8050 5650 Wire Wire Line 6500 3150 6700 3150 Wire Wire Line 8050 5450 7250 5450 Wire Wire Line 7250 5450 7250 4950 Wire Wire Line 1850 3200 1850 2800 Connection ~ 1850 3000 Wire Wire Line 1850 3800 2350 3800 Connection ~ 1850 3800 Wire Wire Line 2350 3800 2350 3150 Wire Wire Line 2350 3150 3100 3150 Wire Wire Line 4800 1750 4800 850 Wire Wire Line 4800 850 5350 850 Wire Wire Line 8050 5750 6700 5750 Wire Wire Line 6700 5750 6700 3600 Wire Wire Line 2850 1750 2850 1550 Wire Wire Line 2850 1550 3050 1550 Wire Wire Line 4350 1750 4350 1550 Wire Wire Line 4350 1550 4150 1550 Wire Wire Line 2400 4950 4500 4950 Wire Wire Line 4500 4950 4500 4550 Wire Wire Line 8050 5250 5100 5250 Wire Wire Line 5100 5250 5100 4550 Text Label 7550 5350 0 60 ~ 0 nSS NoConn ~ 6500 2700 $Comp L CONN_1 P4 U 1 1 4D47292F P 2250 4950 F 0 "P4" H 2330 4950 40 0000 L CNN F 1 "CONN_1" H 2250 5005 30 0001 C CNN F 2 "PAD_2mm" H 2250 4950 60 0001 C CNN 1 2250 4950 -1 0 0 1 $EndComp $Comp L GND #PWR01 U 1 1 4D4728FC P 2850 1750 F 0 "#PWR01" H 2850 1750 30 0001 C CNN F 1 "GND" H 2850 1680 30 0001 C CNN 1 2850 1750 1 0 0 -1 $EndComp $Comp L CONN_1 P3 U 1 1 4D472716 P 2250 4750 F 0 "P3" H 2330 4750 40 0000 L CNN F 1 "CONN_1" H 2250 4805 30 0001 C CNN F 2 "PAD_2mm" H 2250 4750 60 0001 C CNN 1 2250 4750 -1 0 0 1 $EndComp $Comp L CONN_1 P2 U 1 1 4D472714 P 2250 4550 F 0 "P2" H 2330 4550 40 0000 L CNN F 1 "CONN_1" H 2250 4605 30 0001 C CNN F 2 "PAD_2mm" H 2250 4550 60 0001 C CNN 1 2250 4550 -1 0 0 1 $EndComp $Comp L R R3 U 1 1 4D472610 P 3900 1550 F 0 "R3" V 3980 1550 50 0000 C CNN F 1 "68" V 3900 1550 50 0000 C CNN F 2 "0402" H 3900 1550 60 0001 C CNN 1 3900 1550 0 -1 -1 0 $EndComp $Comp L LED D1 U 1 1 4D47260E P 3250 1550 F 0 "D1" H 3250 1650 50 0000 C CNN F 1 "LTST-C190KRKT" H 3250 1450 50 0000 C CNN F 2 "0603" H 3250 1550 60 0001 C CNN 1 3250 1550 -1 0 0 -1 $EndComp Text Label 7550 5550 0 60 ~ 0 CLK Text Label 7550 5150 0 60 ~ 0 nRESET Text Label 7550 5750 0 60 ~ 0 SCK Text Label 7550 5850 0 60 ~ 0 MISO Text Label 7550 5250 0 60 ~ 0 MOSI Text Label 5000 850 0 60 ~ 0 nRESET Text Label 6500 5150 2 60 ~ 0 nRESET $Comp L C C1 U 1 1 4D470731 P 1850 3400 F 0 "C1" H 1900 3500 50 0000 L CNN F 1 "100nF" H 1900 3300 50 0000 L CNN F 2 "0402" H 1850 3400 60 0001 C CNN 1 1850 3400 1 0 0 -1 $EndComp NoConn ~ 3100 3450 NoConn ~ 6500 2850 NoConn ~ 6500 3000 NoConn ~ 6500 3300 $Comp L GND #PWR02 U 1 1 4D470651 P 6700 3150 F 0 "#PWR02" H 6700 3150 30 0001 C CNN F 1 "GND" H 6700 3080 30 0001 C CNN 1 6700 3150 0 -1 -1 0 $EndComp $Comp L VDD #PWR03 U 1 1 4D470644 P 1850 2800 F 0 "#PWR03" H 1850 2900 30 0001 C CNN F 1 "VDD" H 1850 2910 30 0000 C CNN 1 1850 2800 1 0 0 -1 $EndComp $Comp L VDD #PWR04 U 1 1 4D470639 P 6700 3450 F 0 "#PWR04" H 6700 3550 30 0001 C CNN F 1 "VDD" H 6700 3560 30 0000 C CNN 1 6700 3450 0 1 1 0 $EndComp $Comp L VDD #PWR05 U 1 1 4D47062B P 7250 4950 F 0 "#PWR05" H 7250 5050 30 0001 C CNN F 1 "VDD" H 7250 5060 30 0000 C CNN 1 7250 4950 1 0 0 -1 $EndComp $Comp L GND #PWR06 U 1 1 4D470615 P 7250 6050 F 0 "#PWR06" H 7250 6050 30 0001 C CNN F 1 "GND" H 7250 5980 30 0001 C CNN 1 7250 6050 1 0 0 -1 $EndComp NoConn ~ 4800 4550 NoConn ~ 4650 4550 NoConn ~ 3100 2850 NoConn ~ 3100 2700 NoConn ~ 5250 1750 NoConn ~ 5100 1750 NoConn ~ 4950 1750 $Comp L R R2 U 1 1 4D47052E P 4050 1050 F 0 "R2" V 4130 1050 50 0000 C CNN F 1 "100" V 4050 1050 50 0000 C CNN F 2 "0402" H 4050 1050 60 0001 C CNN 1 4050 1050 0 -1 -1 0 $EndComp $Comp L R R1 U 1 1 4D47052C P 4050 850 F 0 "R1" V 4130 850 50 0000 C CNN F 1 "100" V 4050 850 50 0000 C CNN F 2 "0402" H 4050 850 60 0001 C CNN 1 4050 850 0 -1 -1 0 $EndComp $Comp L GND #PWR07 U 1 1 4D4704FA P 3500 1250 F 0 "#PWR07" H 3500 1250 30 0001 C CNN F 1 "GND" H 3500 1180 30 0001 C CNN 1 3500 1250 1 0 0 -1 $EndComp $Comp L CONN_3 K1 U 1 1 4D4704D9 P 2950 950 F 0 "K1" V 2900 950 50 0000 C CNN F 1 "3M 961103-5604-AR" H 2950 1200 50 0000 C CNN F 2 "CONN_3" H 2950 950 60 0001 C CNN F 4 "(or any similar 0.1 in header)" H 3050 1300 50 0000 C CNN "Field4" 1 2950 950 -1 0 0 1 $EndComp $Comp L GND #PWR08 U 1 1 4D4704BC P 1850 4000 F 0 "#PWR08" H 1850 4000 30 0001 C CNN F 1 "GND" H 1850 3930 30 0001 C CNN 1 1850 4000 1 0 0 -1 $EndComp $Comp L GND #PWR09 U 1 1 4D4704B4 P 5700 4750 F 0 "#PWR09" H 5700 4750 30 0001 C CNN F 1 "GND" H 5700 4680 30 0001 C CNN 1 5700 4750 1 0 0 -1 $EndComp $Comp L ATMEGA48-MMU U1 U 1 1 4D4702FE P 4800 3150 F 0 "U1" H 3450 4350 60 0000 C CNN F 1 "ATMEGA48-MMU" H 4800 3150 60 0000 C CNN F 2 "QFN28-Atmel" H 4800 3150 60 0001 C CNN 1 4800 3150 1 0 0 -1 $EndComp $Comp L 8:10-CARD P1 U 1 1 4D4702F7 P 8350 5450 F 0 "P1" H 8150 6000 60 0000 C CNN F 1 "8:10-CARD" H 8400 4850 60 0000 C CNN F 2 "8:10-card" H 8350 5450 60 0001 C CNN 1 8350 5450 1 0 0 -1 $EndComp $EndSCHEMATC