EESchema Schematic File Version 4 EELAYER 30 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 4 8 Title "Democratic Sendcomm" Date "2020-09-08" Rev "0.8.0" Comp "Europalab Devices" Comment1 "Copyright © 2020, Europalab Devices" Comment2 "Fulfilling requirements of 20200210" Comment3 "Pending quality assurance testing" Comment4 "Release revision for manufacturing" $EndDescr $Comp L Connector:USB_C_Receptacle_USB2.0 J? U 1 1 6005D73A P 2300 3600 AR Path="/5F53D5B5/6005D73A" Ref="J?" Part="1" AR Path="/60040981/6005D73A" Ref="J2" Part="1" F 0 "J2" H 2407 4467 50 0000 C CNN F 1 "USB_C_Receptacle_USB2.0" H 2407 4376 50 0000 C CNN F 2 "Connector_USB:USB_C_Receptacle_HRO_TYPE-C-31-M-12" H 2450 3600 50 0001 C CNN F 3 "https://www.usb.org/sites/default/files/documents/usb_type-c.zip" H 2450 3600 50 0001 C CNN 1 2300 3600 1 0 0 -1 $EndComp $Comp L Device:R R? U 1 1 6005D740 P 2100 4850 AR Path="/5F53D5B5/6005D740" Ref="R?" Part="1" AR Path="/60040981/6005D740" Ref="R6" Part="1" F 0 "R6" H 2170 4896 50 0000 L CNN F 1 "1M" H 2170 4805 50 0000 L CNN F 2 "Resistor_SMD:R_0805_2012Metric" V 2030 4850 50 0001 C CNN F 3 "~" H 2100 4850 50 0001 C CNN 1 2100 4850 1 0 0 -1 $EndComp $Comp L Device:C C? U 1 1 6005D746 P 1900 4850 AR Path="/5F53D5B5/6005D746" Ref="C?" Part="1" AR Path="/60040981/6005D746" Ref="C19" Part="1" F 0 "C19" H 1700 4900 50 0000 L CNN F 1 "4,7nF" H 1600 4800 50 0000 L CNN F 2 "Capacitor_SMD:C_0805_2012Metric" H 1938 4700 50 0001 C CNN F 3 "~" H 1900 4850 50 0001 C CNN 1 1900 4850 1 0 0 -1 $EndComp $Comp L power:GND #PWR? U 1 1 6005D74C P 2300 5300 AR Path="/5F53D5B5/6005D74C" Ref="#PWR?" Part="1" AR Path="/60040981/6005D74C" Ref="#PWR013" Part="1" F 0 "#PWR013" H 2300 5050 50 0001 C CNN F 1 "GND" H 2305 5127 50 0000 C CNN F 2 "" H 2300 5300 50 0001 C CNN F 3 "" H 2300 5300 50 0001 C CNN 1 2300 5300 1 0 0 -1 $EndComp Wire Wire Line 2000 4500 2000 4600 Wire Wire Line 2000 4600 1900 4600 Wire Wire Line 1900 4600 1900 4700 Wire Wire Line 2100 4700 2100 4600 Wire Wire Line 2100 4600 2000 4600 Connection ~ 2000 4600 Wire Wire Line 2100 5000 2100 5100 Wire Wire Line 2100 5100 2300 5100 Connection ~ 2300 5100 Wire Wire Line 2300 5100 2300 5250 Wire Wire Line 1900 5000 1900 5250 Wire Wire Line 1900 5250 2300 5250 Connection ~ 2300 5250 Wire Wire Line 2300 5250 2300 5300 $Comp L Power_Protection:NUP2202 U? U 1 1 6005D760 P 3800 3800 AR Path="/5F53D5B5/6005D760" Ref="U?" Part="1" AR Path="/60040981/6005D760" Ref="U3" Part="1" F 0 "U3" H 3850 4000 50 0000 L CNN F 1 "NUP2202" H 3650 3550 50 0000 L CNN F 2 "Package_TO_SOT_SMD:SOT-363_SC-70-6" H 3880 3875 50 0001 C CNN F 3 "http://www.onsemi.ru.com/pub_link/Collateral/NUP2202W1-D.PDF" H 3880 3875 50 0001 C CNN 1 3800 3800 1 0 0 -1 $EndComp Wire Wire Line 2900 3800 3100 3800 Wire Wire Line 2900 3700 3100 3700 Wire Wire Line 3100 3700 3100 3800 Connection ~ 3100 3800 Wire Wire Line 3100 3800 3600 3800 Wire Wire Line 3800 4000 3800 4750 Wire Wire Line 3800 4750 2300 4750 Wire Wire Line 3800 3600 3800 3000 Wire Wire Line 3800 3000 2900 3000 Wire Wire Line 4000 3800 4000 3500 Wire Wire Line 4000 3500 3100 3500 Wire Wire Line 2900 3600 3100 3600 Wire Wire Line 3100 3600 3100 3500 Wire Wire Line 3100 3500 2900 3500 $Comp L Device:R R? U 1 1 6005D774 P 4050 3000 AR Path="/5F53D5B5/6005D774" Ref="R?" Part="1" AR Path="/60040981/6005D774" Ref="R1" Part="1" F 0 "R1" V 4050 3000 50 0000 C CNN F 1 "47K" V 3934 3000 50 0000 C CNN F 2 "Resistor_SMD:R_0805_2012Metric" V 3980 3000 50 0001 C CNN F 3 "~" H 4050 3000 50 0001 C CNN 1 4050 3000 0 1 1 0 $EndComp Wire Wire Line 3900 3000 3800 3000 Connection ~ 3800 3000 Wire Wire Line 4200 3000 5000 3000 $Comp L Device:R R? U 1 1 6005D77E P 5000 3250 AR Path="/5F53D5B5/6005D77E" Ref="R?" Part="1" AR Path="/60040981/6005D77E" Ref="R2" Part="1" F 0 "R2" H 5070 3296 50 0000 L CNN F 1 "47K" H 5070 3205 50 0000 L CNN F 2 "Resistor_SMD:R_0805_2012Metric" V 4930 3250 50 0001 C CNN F 3 "~" H 5000 3250 50 0001 C CNN 1 5000 3250 1 0 0 -1 $EndComp Wire Wire Line 5000 3100 5000 3000 Connection ~ 5000 3000 Wire Wire Line 5000 3000 5200 3000 Wire Wire Line 5000 3400 5000 4950 Wire Wire Line 2300 4500 2300 4750 Connection ~ 2300 4750 Wire Wire Line 2300 4750 2300 4950 Connection ~ 2300 4950 Wire Wire Line 2300 4950 2300 5100 Connection ~ 3100 3500 $Comp L Device:R R? U 1 1 6005D791 P 4200 3450 AR Path="/5F53D5B5/6005D791" Ref="R?" Part="1" AR Path="/60040981/6005D791" Ref="R4" Part="1" F 0 "R4" H 4270 3496 50 0000 L CNN F 1 "2K4" H 4270 3405 50 0000 L CNN F 2 "Resistor_SMD:R_0805_2012Metric" V 4130 3450 50 0001 C CNN F 3 "~" H 4200 3450 50 0001 C CNN 1 4200 3450 1 0 0 -1 $EndComp $Comp L Device:R R? U 1 1 6005D79D P 4600 3450 AR Path="/5F53D5B5/6005D79D" Ref="R?" Part="1" AR Path="/60040981/6005D79D" Ref="R5" Part="1" F 0 "R5" H 4670 3496 50 0000 L CNN F 1 "2K4" H 4670 3405 50 0000 L CNN F 2 "Resistor_SMD:R_0805_2012Metric" V 4530 3450 50 0001 C CNN F 3 "~" H 4600 3450 50 0001 C CNN 1 4600 3450 1 0 0 -1 $EndComp Wire Wire Line 2900 3200 4600 3200 Wire Wire Line 4600 3200 4600 3300 Wire Wire Line 2900 3300 4200 3300 NoConn ~ 2900 4100 NoConn ~ 2900 4200 $Comp L Connector:Conn_01x06_Male J? U 1 1 6006812D P 9000 3250 AR Path="/5F53D5B5/6006812D" Ref="J?" Part="1" AR Path="/60040981/6006812D" Ref="J1" Part="1" F 0 "J1" H 9108 3631 50 0000 C CNN F 1 "Conn_01x06_Male" H 9108 3540 50 0000 C CNN F 2 "Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Horizontal" H 9000 3250 50 0001 C CNN F 3 "~" H 9000 3250 50 0001 C CNN 1 9000 3250 1 0 0 -1 $EndComp $Comp L power:GND #PWR? U 1 1 60068133 P 9900 3050 AR Path="/5F53D5B5/60068133" Ref="#PWR?" Part="1" AR Path="/60040981/60068133" Ref="#PWR011" Part="1" F 0 "#PWR011" H 9900 2800 50 0001 C CNN F 1 "GND" H 9905 2877 50 0000 C CNN F 2 "" H 9900 3050 50 0001 C CNN F 3 "" H 9900 3050 50 0001 C CNN 1 9900 3050 1 0 0 -1 $EndComp Wire Wire Line 9200 3050 9900 3050 NoConn ~ 9200 3150 NoConn ~ 9200 3550 Wire Wire Line 9200 3350 9300 3350 Wire Wire Line 9200 3450 9300 3450 $Comp L Connector:TestPoint TP? U 1 1 60068140 P 9300 3250 AR Path="/5F53D5B5/60068140" Ref="TP?" Part="1" AR Path="/60040981/60068140" Ref="TP1" Part="1" F 0 "TP1" H 9358 3368 50 0000 L CNN F 1 "TestPoint" H 9358 3277 50 0000 L CNN F 2 "TestPoint:TestPoint_THTPad_D2.5mm_Drill1.2mm" H 9500 3250 50 0001 C CNN F 3 "~" H 9500 3250 50 0001 C CNN 1 9300 3250 1 0 0 -1 $EndComp Wire Wire Line 9200 3250 9300 3250 NoConn ~ 7450 4050 NoConn ~ 7450 4150 $Comp L power:+3V3 #PWR? U 1 1 600B7E73 P 6950 3050 AR Path="/5F53D5B5/600B7E73" Ref="#PWR?" Part="1" AR Path="/60040981/600B7E73" Ref="#PWR010" Part="1" F 0 "#PWR010" H 6950 2900 50 0001 C CNN F 1 "+3V3" H 6965 3223 50 0000 C CNN F 2 "" H 6950 3050 50 0001 C CNN F 3 "" H 6950 3050 50 0001 C CNN 1 6950 3050 1 0 0 -1 $EndComp $Comp L Device:R R? U 1 1 600B7E79 P 7550 3400 AR Path="/5F53D5B5/600B7E79" Ref="R?" Part="1" AR Path="/60040981/600B7E79" Ref="R3" Part="1" F 0 "R3" H 7620 3446 50 0000 L CNN F 1 "100K" H 7620 3355 50 0000 L CNN F 2 "Resistor_SMD:R_0805_2012Metric" V 7480 3400 50 0001 C CNN F 3 "~" H 7550 3400 50 0001 C CNN 1 7550 3400 1 0 0 -1 $EndComp Wire Wire Line 6950 3350 6950 3150 Wire Wire Line 7550 3250 7550 3150 Wire Wire Line 7550 3150 6950 3150 Connection ~ 6950 3150 Wire Wire Line 6950 3150 6950 3050 $Comp L Connector:Conn_ARM_JTAG_SWD_10 J? U 1 1 600B7E84 P 6950 3950 AR Path="/5F53D5B5/600B7E84" Ref="J?" Part="1" AR Path="/60040981/600B7E84" Ref="J3" Part="1" F 0 "J3" H 6650 4550 50 0000 R CNN F 1 "Conn_ARM_JTAG_SWD_10" V 6450 4400 50 0000 R CNN F 2 "Connector:Tag-Connect_TC2050-IDC-NL_2x05_P1.27mm_Vertical" H 6950 3950 50 0001 C CNN F 3 "http://infocenter.arm.com/help/topic/com.arm.doc.ddi0314h/DDI0314H_coresight_components_trm.pdf" V 6600 2700 50 0001 C CNN 1 6950 3950 1 0 0 -1 $EndComp $Comp L power:GND #PWR? U 1 1 600B7E8A P 6900 4650 AR Path="/5F53D5B5/600B7E8A" Ref="#PWR?" Part="1" AR Path="/60040981/600B7E8A" Ref="#PWR012" Part="1" F 0 "#PWR012" H 6900 4400 50 0001 C CNN F 1 "GND" H 6905 4477 50 0000 C CNN F 2 "" H 6900 4650 50 0001 C CNN F 3 "" H 6900 4650 50 0001 C CNN 1 6900 4650 1 0 0 -1 $EndComp Wire Wire Line 6850 4550 6850 4600 Wire Wire Line 6850 4600 6900 4600 Wire Wire Line 6900 4600 6900 4650 Wire Wire Line 6950 4550 6950 4600 Wire Wire Line 6950 4600 6900 4600 Connection ~ 6900 4600 Wire Wire Line 7450 3650 7550 3650 Wire Wire Line 7550 3650 7550 3550 Text HLabel 7550 3950 2 50 BiDi ~ 0 SWDIO Wire Wire Line 7450 3950 7550 3950 Wire Wire Line 7450 3850 7550 3850 Text HLabel 7550 3850 2 50 Output ~ 0 SWDCLK Text HLabel 7550 3650 2 50 UnSpc ~ 0 CMDRST Text HLabel 9300 3350 2 50 Input ~ 0 UART_RX Text HLabel 9300 3450 2 50 Output ~ 0 UART_TX Text HLabel 3200 3600 2 50 BiDi ~ 0 USB_N Text HLabel 3200 3700 2 50 BiDi ~ 0 USB_P Text HLabel 5200 3000 2 50 UnSpc ~ 0 USB_BUS Text Notes 3200 2400 0 100 ~ 0 USB Text Notes 6800 2400 0 100 ~ 0 SWD Text Notes 9150 2400 0 100 ~ 0 UART Wire Wire Line 3200 3600 3100 3600 Connection ~ 3100 3600 Wire Wire Line 3200 3700 3100 3700 Connection ~ 3100 3700 Wire Wire Line 5000 4950 4600 4950 Wire Wire Line 4600 3600 4600 4950 Connection ~ 4600 4950 Wire Wire Line 4600 4950 4200 4950 Wire Wire Line 4200 3600 4200 4950 Connection ~ 4200 4950 Wire Wire Line 4200 4950 2300 4950 $EndSCHEMATC