EESchema Schematic File Version 4 EELAYER 30 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 1 1 Title "" Date "" Rev "" Comp "" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Comp L Interface_UART:MAX3221 U1 U 1 1 60EFFA3A P 5450 3200 F 0 "U1" H 5100 4050 50 0000 C CNN F 1 "MAX3221" H 5450 3250 50 0000 C CNN F 2 "Package_SO:SSOP-16_5.3x6.2mm_P0.65mm" H 5500 3200 50 0001 C CIN F 3 "http://www.ti.com/lit/ds/symlink/max3221.pdf" H 5450 4150 50 0001 C CNN 1 5450 3200 1 0 0 -1 $EndComp $Comp L Connector:DB9_Female_MountingHoles J2 U 1 1 60F00B00 P 7650 3050 F 0 "J2" H 7830 3052 50 0000 L CNN F 1 "DB9_Female_MountingHoles" H 7100 3650 50 0000 L CNN F 2 "Connector_Dsub:DSUB-9_Female_Horizontal_P2.77x2.84mm_EdgePinOffset7.70mm_Housed_MountingHolesOffset9.12mm" H 7650 3050 50 0001 C CNN F 3 " ~" H 7650 3050 50 0001 C CNN 1 7650 3050 1 0 0 -1 $EndComp NoConn ~ 3800 2900 NoConn ~ 3800 3300 $Comp L power:GND #PWR02 U 1 1 60F05362 P 3900 3500 F 0 "#PWR02" H 3900 3250 50 0001 C CNN F 1 "GND" H 3905 3327 50 0000 C CNN F 2 "" H 3900 3500 50 0001 C CNN F 3 "" H 3900 3500 50 0001 C CNN 1 3900 3500 1 0 0 -1 $EndComp $Comp L power:GND #PWR05 U 1 1 60F058BA P 5450 4200 F 0 "#PWR05" H 5450 3950 50 0001 C CNN F 1 "GND" H 5455 4027 50 0000 C CNN F 2 "" H 5450 4200 50 0001 C CNN F 3 "" H 5450 4200 50 0001 C CNN 1 5450 4200 1 0 0 -1 $EndComp $Comp L power:VCC #PWR01 U 1 1 60F05F46 P 3900 2800 F 0 "#PWR01" H 3900 2650 50 0001 C CNN F 1 "VCC" H 3915 2973 50 0000 C CNN F 2 "" H 3900 2800 50 0001 C CNN F 3 "" H 3900 2800 50 0001 C CNN 1 3900 2800 1 0 0 -1 $EndComp Wire Wire Line 3900 2800 3900 2850 Wire Wire Line 3900 3200 3800 3200 Wire Wire Line 3900 3500 3900 3400 Wire Wire Line 3900 3400 3800 3400 $Comp L Device:C C2 U 1 1 60F07069 P 4650 3200 F 0 "C2" H 4765 3246 50 0000 L CNN F 1 "0.1u" H 4765 3155 50 0000 L CNN F 2 "Capacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolder" H 4688 3050 50 0001 C CNN F 3 "~" H 4650 3200 50 0001 C CNN 1 4650 3200 1 0 0 -1 $EndComp $Comp L Device:C C1 U 1 1 60F07B9C P 4650 2700 F 0 "C1" H 4765 2746 50 0000 L CNN F 1 "0.1u" H 4765 2655 50 0000 L CNN F 2 "Capacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolder" H 4688 2550 50 0001 C CNN F 3 "~" H 4650 2700 50 0001 C CNN 1 4650 2700 1 0 0 -1 $EndComp $Comp L Device:C C4 U 1 1 60F08105 P 6300 2900 F 0 "C4" V 6048 2900 50 0000 C CNN F 1 "0.1u" V 6139 2900 50 0000 C CNN F 2 "Capacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolder" H 6338 2750 50 0001 C CNN F 3 "~" H 6300 2900 50 0001 C CNN 1 6300 2900 0 1 1 0 $EndComp $Comp L Device:C C5 U 1 1 60F08917 P 6300 3400 F 0 "C5" V 6048 3400 50 0000 C CNN F 1 "0.1u" V 6139 3400 50 0000 C CNN F 2 "Capacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolder" H 6338 3250 50 0001 C CNN F 3 "~" H 6300 3400 50 0001 C CNN 1 6300 3400 0 1 1 0 $EndComp $Comp L Device:C C3 U 1 1 60F08E8E P 5700 2200 F 0 "C3" V 5448 2200 50 0000 C CNN F 1 "0.1u" V 5539 2200 50 0000 C CNN F 2 "Capacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolder" H 5738 2050 50 0001 C CNN F 3 "~" H 5700 2200 50 0001 C CNN 1 5700 2200 0 1 1 0 $EndComp $Comp L power:VCC #PWR04 U 1 1 60F09A8C P 5450 2100 F 0 "#PWR04" H 5450 1950 50 0001 C CNN F 1 "VCC" H 5465 2273 50 0000 C CNN F 2 "" H 5450 2100 50 0001 C CNN F 3 "" H 5450 2100 50 0001 C CNN 1 5450 2100 1 0 0 -1 $EndComp Wire Wire Line 5450 2100 5450 2200 Wire Wire Line 5550 2200 5450 2200 Connection ~ 5450 2200 Wire Wire Line 5450 2200 5450 2300 Wire Wire Line 6150 2900 6050 2900 Wire Wire Line 6150 3400 6050 3400 $Comp L power:GND #PWR09 U 1 1 60F0A664 P 6550 3400 F 0 "#PWR09" H 6550 3150 50 0001 C CNN F 1 "GND" V 6555 3272 50 0000 R CNN F 2 "" H 6550 3400 50 0001 C CNN F 3 "" H 6550 3400 50 0001 C CNN 1 6550 3400 0 -1 -1 0 $EndComp $Comp L power:GND #PWR08 U 1 1 60F0AE4E P 6550 2900 F 0 "#PWR08" H 6550 2650 50 0001 C CNN F 1 "GND" V 6555 2772 50 0000 R CNN F 2 "" H 6550 2900 50 0001 C CNN F 3 "" H 6550 2900 50 0001 C CNN 1 6550 2900 0 -1 -1 0 $EndComp Wire Wire Line 6550 2900 6450 2900 Wire Wire Line 6550 3400 6450 3400 Wire Wire Line 4850 3400 4650 3400 Wire Wire Line 4650 3400 4650 3350 Wire Wire Line 4650 3050 4650 3000 Wire Wire Line 4650 3000 4850 3000 Wire Wire Line 4850 2900 4650 2900 Wire Wire Line 4650 2900 4650 2850 Wire Wire Line 4850 2500 4650 2500 Wire Wire Line 4650 2500 4650 2550 Wire Wire Line 4850 3800 4750 3800 $Comp L Connector:TestPoint TP1 U 1 1 60F0CD5B P 6150 3800 F 0 "TP1" V 6104 3988 50 0000 L CNN F 1 "TestPoint" V 6195 3988 50 0000 L CNN F 2 "TestPoint:TestPoint_Pad_2.0x2.0mm" H 6350 3800 50 0001 C CNN F 3 "~" H 6350 3800 50 0001 C CNN 1 6150 3800 0 1 1 0 $EndComp Wire Wire Line 6150 3800 6050 3800 $Comp L power:VCC #PWR07 U 1 1 60F0EE42 P 6200 3900 F 0 "#PWR07" H 6200 3750 50 0001 C CNN F 1 "VCC" V 6215 4028 50 0000 L CNN F 2 "" H 6200 3900 50 0001 C CNN F 3 "" H 6200 3900 50 0001 C CNN 1 6200 3900 0 1 1 0 $EndComp Wire Wire Line 6200 3900 6050 3900 Text GLabel 7250 2850 0 50 Input ~ 0 RX Wire Wire Line 7350 2850 7250 2850 Text GLabel 7250 3050 0 50 Input ~ 0 TX Wire Wire Line 7350 3050 7250 3050 $Comp L power:GND #PWR010 U 1 1 60F10B1E P 7250 3450 F 0 "#PWR010" H 7250 3200 50 0001 C CNN F 1 "GND" V 7255 3322 50 0000 R CNN F 2 "" H 7250 3450 50 0001 C CNN F 3 "" H 7250 3450 50 0001 C CNN 1 7250 3450 0 1 1 0 $EndComp Wire Wire Line 7350 3450 7250 3450 Wire Wire Line 7350 2650 7250 2650 Wire Wire Line 7350 2750 7250 2750 Wire Wire Line 7350 2950 7250 2950 Wire Wire Line 7350 3150 7250 3150 Wire Wire Line 7350 3250 7250 3250 Wire Wire Line 7350 3350 7250 3350 Text GLabel 6150 3700 2 50 Input ~ 0 TX Wire Wire Line 6150 3700 6050 3700 Text GLabel 6150 3600 2 50 Input ~ 0 RX Wire Wire Line 6150 3600 6050 3600 Text GLabel 7250 4100 0 50 Input ~ 0 TX Text GLabel 7250 4200 0 50 Input ~ 0 RX $Comp L Connector:TestPoint TP2 U 1 1 60F1B019 P 7350 4100 F 0 "TP2" V 7350 4700 50 0000 C CNN F 1 "TestPoint" V 7350 4450 50 0000 C CNN F 2 "TestPoint:TestPoint_Pad_2.0x2.0mm" H 7550 4100 50 0001 C CNN F 3 "~" H 7550 4100 50 0001 C CNN 1 7350 4100 0 1 1 0 $EndComp $Comp L Connector:TestPoint TP3 U 1 1 60F1B8C1 P 7350 4200 F 0 "TP3" V 7350 4800 50 0000 C CNN F 1 "TestPoint" V 7350 4550 50 0000 C CNN F 2 "TestPoint:TestPoint_Pad_2.0x2.0mm" H 7550 4200 50 0001 C CNN F 3 "~" H 7550 4200 50 0001 C CNN 1 7350 4200 0 1 1 0 $EndComp Wire Wire Line 7350 4100 7250 4100 Wire Wire Line 7350 4200 7250 4200 $Comp L power:GND #PWR011 U 1 1 60F1DC1A P 7650 3750 F 0 "#PWR011" H 7650 3500 50 0001 C CNN F 1 "GND" H 7655 3577 50 0000 C CNN F 2 "" H 7650 3750 50 0001 C CNN F 3 "" H 7650 3750 50 0001 C CNN 1 7650 3750 1 0 0 -1 $EndComp Wire Wire Line 7650 3750 7650 3650 Wire Wire Line 5450 4200 5450 4100 $Comp L power:GND #PWR06 U 1 1 60F1257E P 5950 2200 F 0 "#PWR06" H 5950 1950 50 0001 C CNN F 1 "GND" V 5955 2072 50 0000 R CNN F 2 "" H 5950 2200 50 0001 C CNN F 3 "" H 5950 2200 50 0001 C CNN 1 5950 2200 0 -1 -1 0 $EndComp Wire Wire Line 5950 2200 5850 2200 $Comp L power:PWR_FLAG #FLG01 U 1 1 60F154F5 P 4050 2800 F 0 "#FLG01" H 4050 2875 50 0001 C CNN F 1 "PWR_FLAG" H 4050 3050 50 0000 C CNN F 2 "" H 4050 2800 50 0001 C CNN F 3 "~" H 4050 2800 50 0001 C CNN 1 4050 2800 1 0 0 -1 $EndComp Wire Wire Line 4050 2800 4050 2850 Wire Wire Line 4050 2850 3900 2850 Connection ~ 3900 2850 Wire Wire Line 3900 2850 3900 3200 $Comp L power:PWR_FLAG #FLG02 U 1 1 60F1670F P 4050 3550 F 0 "#FLG02" H 4050 3625 50 0001 C CNN F 1 "PWR_FLAG" H 4050 3800 50 0000 C CNN F 2 "" H 4050 3550 50 0001 C CNN F 3 "~" H 4050 3550 50 0001 C CNN 1 4050 3550 -1 0 0 1 $EndComp Wire Wire Line 4050 3550 4050 3400 Wire Wire Line 4050 3400 3900 3400 Connection ~ 3900 3400 NoConn ~ 7250 2650 NoConn ~ 7250 2750 NoConn ~ 7250 2950 NoConn ~ 7250 3150 NoConn ~ 7250 3250 NoConn ~ 7250 3350 $Comp L power:GND #PWR0101 U 1 1 60F6A29E P 4750 3800 F 0 "#PWR0101" H 4750 3550 50 0001 C CNN F 1 "GND" H 4750 3650 50 0000 C CNN F 2 "" H 4750 3800 50 0001 C CNN F 3 "" H 4750 3800 50 0001 C CNN 1 4750 3800 0 1 1 0 $EndComp $Comp L power:VCC #PWR0102 U 1 1 60F6A807 P 4750 3900 F 0 "#PWR0102" H 4750 3750 50 0001 C CNN F 1 "VCC" H 4700 4050 50 0000 C CNN F 2 "" H 4750 3900 50 0001 C CNN F 3 "" H 4750 3900 50 0001 C CNN 1 4750 3900 0 -1 -1 0 $EndComp Wire Wire Line 4850 3900 4750 3900 Text GLabel 3950 3000 2 50 Input ~ 0 RX_in Wire Wire Line 3800 3000 3950 3000 Text GLabel 3950 3100 2 50 Input ~ 0 TX_in Wire Wire Line 3950 3100 3800 3100 Text GLabel 4700 3700 0 50 Input ~ 0 RX_in Wire Wire Line 4850 3700 4700 3700 Text GLabel 4700 3600 0 50 Input ~ 0 TX_in Wire Wire Line 4700 3600 4850 3600 $Comp L fab:Conn_FTDI_01x06_Male J1 U 1 1 614A19AD P 3600 3100 F 0 "J1" H 3637 3525 50 0000 C CNN F 1 "Conn_FTDI_01x06_Male" V 3400 3050 50 0000 C CNN F 2 "fab:Header_SMD_FTDI_01x06_P2.54mm_Horizontal_Male" H 3600 3100 50 0001 C CNN F 3 "~" H 3600 3100 50 0001 C CNN 1 3600 3100 1 0 0 -1 $EndComp $EndSCHEMATC