tiny-xo2/usbserial.sch

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EESchema Schematic File Version 3
LIBS:power
LIBS:device
LIBS:transistors
LIBS:conn
LIBS:linear
LIBS:regul
LIBS:74xx
LIBS:cmos4000
LIBS:adc-dac
LIBS:memory
LIBS:xilinx
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:lattice
LIBS:usbserial
LIBS:clock
LIBS:tiny-xo2-cache
EELAYER 26 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 3 4
Title "Tiny-XO2"
Date "2017-09-30"
Rev "02"
Comp "Markus Koch - notsyncing.net"
Comment1 "Licensed under CC BY-SA 3.0"
Comment2 "https://l.notsyncing.net/tinyxo2"
Comment3 ""
Comment4 "USB Serial Conversion"
$EndDescr
$Comp
L ch340g U3
U 1 1 59CE5435
P 4600 1550
F 0 "U3" H 4600 2287 60 0000 C CNN
F 1 "ch340g" H 4600 2181 60 0000 C CNN
F 2 "Housings_SOIC:SOIC-16_3.9x9.9mm_Pitch1.27mm" H 4300 2000 60 0001 C CNN
F 3 "" H 4300 2000 60 0001 C CNN
1 4600 1550
1 0 0 -1
$EndComp
$Comp
L USB_OTG J1
U 1 1 59CE581D
P 1150 1300
F 0 "J1" H 1205 1767 50 0000 C CNN
F 1 "USB_OTG" H 1205 1676 50 0000 C CNN
F 2 "Connectors:USB_Mini-B" H 1300 1250 50 0001 C CNN
F 3 "" H 1300 1250 50 0001 C CNN
1 1150 1300
1 0 0 -1
$EndComp
$Comp
L D_ALT D2
U 1 1 59CE5824
P 1700 1100
F 0 "D2" H 1700 884 50 0000 C CNN
F 1 "POL" H 1700 975 50 0000 C CNN
F 2 "Diodes_SMD:D_0805" H 1700 1100 50 0001 C CNN
F 3 "" H 1700 1100 50 0001 C CNN
1 1700 1100
-1 0 0 1
$EndComp
$Comp
L GND #PWR013
U 1 1 59CE582B
P 1100 1850
F 0 "#PWR013" H 1100 1600 50 0001 C CNN
F 1 "GND" H 1105 1677 50 0000 C CNN
F 2 "" H 1100 1850 50 0001 C CNN
F 3 "" H 1100 1850 50 0001 C CNN
1 1100 1850
1 0 0 -1
$EndComp
$Comp
L VBUS #PWR011
U 1 1 59CE5831
P 1950 1000
F 0 "#PWR011" H 1950 850 50 0001 C CNN
F 1 "VBUS" H 1965 1173 50 0000 C CNN
F 2 "" H 1950 1000 50 0001 C CNN
F 3 "" H 1950 1000 50 0001 C CNN
1 1950 1000
1 0 0 -1
$EndComp
Text Label 1600 1400 0 60 ~ 0
USB-
Text Label 1600 1300 0 60 ~ 0
USB+
$Comp
L C_Small C8
U 1 1 59CE59BF
P 3700 2100
F 0 "C8" H 3792 2146 50 0000 L CNN
F 1 "100n" H 3792 2055 50 0000 L CNN
F 2 "Capacitors_SMD:C_0603" H 3700 2100 50 0001 C CNN
F 3 "" H 3700 2100 50 0001 C CNN
1 3700 2100
1 0 0 -1
$EndComp
$Comp
L GND #PWR014
U 1 1 59CE5B99
P 3850 2400
F 0 "#PWR014" H 3850 2150 50 0001 C CNN
F 1 "GND" H 3855 2227 50 0000 C CNN
F 2 "" H 3850 2400 50 0001 C CNN
F 3 "" H 3850 2400 50 0001 C CNN
1 3850 2400
1 0 0 -1
$EndComp
$Comp
L +3V3 #PWR012
U 1 1 59CE5E77
P 3700 1700
F 0 "#PWR012" H 3700 1550 50 0001 C CNN
F 1 "+3V3" H 3715 1873 50 0000 C CNN
F 2 "" H 3700 1700 50 0001 C CNN
F 3 "" H 3700 1700 50 0001 C CNN
1 3700 1700
1 0 0 -1
$EndComp
Text Label 4000 1100 2 60 ~ 0
USB+
Text Label 4000 1200 2 60 ~ 0
USB-
NoConn ~ 4100 1550
Text HLabel 4000 1450 0 60 Input ~ 0
CLK_USBSER
Text HLabel 5300 1100 2 60 Output ~ 0
TXD
Text HLabel 5300 1200 2 60 Input ~ 0
RXD
Text HLabel 5300 1750 2 60 Output ~ 0
DTR
Wire Wire Line
1050 1700 1050 1750
Wire Wire Line
1950 1000 1950 1100
Wire Wire Line
1950 1100 1850 1100
Wire Wire Line
1450 1300 1600 1300
Wire Wire Line
1450 1400 1600 1400
Wire Wire Line
3700 1700 3700 2000
Wire Wire Line
3700 1900 4100 1900
Wire Wire Line
4100 2000 4000 2000
Wire Wire Line
4000 2000 4000 2300
Wire Wire Line
4000 2300 3700 2300
Wire Wire Line
3700 2300 3700 2200
Wire Wire Line
3850 2300 3850 2400
Connection ~ 3850 2300
Wire Wire Line
4100 1800 3700 1800
Connection ~ 3700 1900
Connection ~ 3700 1800
Wire Wire Line
4000 1100 4100 1100
Wire Wire Line
4100 1200 4000 1200
Wire Wire Line
4100 1450 4000 1450
Wire Wire Line
1450 1100 1550 1100
Wire Wire Line
5100 1100 5300 1100
Wire Wire Line
5100 1200 5300 1200
Wire Wire Line
5300 1750 5100 1750
NoConn ~ 5100 1350
NoConn ~ 5100 1450
NoConn ~ 5100 1550
NoConn ~ 5100 1650
NoConn ~ 5100 1850
NoConn ~ 5100 2000
Wire Wire Line
1150 1700 1150 1750
Text Label 1450 1100 0 60 ~ 0
VU
NoConn ~ 1450 1500
Wire Wire Line
1150 1750 1050 1750
Wire Wire Line
1100 1750 1100 1850
Connection ~ 1100 1750
$EndSCHEMATC