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 "01"
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 1600
F 0 "U3" H 4600 2337 60 0000 C CNN
F 1 "ch340g" H 4600 2231 60 0000 C CNN
F 2 "Housings_SOIC:SOIC-16_3.9x9.9mm_Pitch1.27mm" H 4300 2050 60 0001 C CNN
F 3 "" H 4300 2050 60 0001 C CNN
1 4600 1600
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 #PWR011
U 1 1 59CE582B
P 1550 1850
F 0 "#PWR011" H 1550 1600 50 0001 C CNN
F 1 "GND" H 1555 1677 50 0000 C CNN
F 2 "" H 1550 1850 50 0001 C CNN
F 3 "" H 1550 1850 50 0001 C CNN
1 1550 1850
1 0 0 -1
$EndComp
$Comp
L VBUS #PWR012
U 1 1 59CE5831
P 1950 1000
F 0 "#PWR012" 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 2150
F 0 "C8" H 3792 2196 50 0000 L CNN
F 1 "100n" H 3792 2105 50 0000 L CNN
F 2 "Capacitors_SMD:C_0603" H 3700 2150 50 0001 C CNN
F 3 "" H 3700 2150 50 0001 C CNN
1 3700 2150
1 0 0 -1
$EndComp
$Comp
L GND #PWR014
U 1 1 59CE5B99
P 3850 2450
F 0 "#PWR014" H 3850 2200 50 0001 C CNN
F 1 "GND" H 3855 2277 50 0000 C CNN
F 2 "" H 3850 2450 50 0001 C CNN
F 3 "" H 3850 2450 50 0001 C CNN
1 3850 2450
1 0 0 -1
$EndComp
$Comp
L +3V3 #PWR013
U 1 1 59CE5E77
P 3700 1750
F 0 "#PWR013" H 3700 1600 50 0001 C CNN
F 1 "+3V3" H 3715 1923 50 0000 C CNN
F 2 "" H 3700 1750 50 0001 C CNN
F 3 "" H 3700 1750 50 0001 C CNN
1 3700 1750
1 0 0 -1
$EndComp
Text Label 4000 1150 2 60 ~ 0
USB+
Text Label 4000 1250 2 60 ~ 0
USB-
NoConn ~ 4100 1600
Text HLabel 4000 1500 0 60 Input ~ 0
CLK_USBSER
Text HLabel 5300 1150 2 60 Output ~ 0
TXD
Text HLabel 5300 1250 2 60 Input ~ 0
RXD
Text HLabel 5300 1800 2 60 Output ~ 0
DTR
Wire Wire Line
1050 1700 1050 1750
Wire Wire Line
1050 1750 1550 1750
Connection ~ 1150 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
1450 1500 1550 1500
Wire Wire Line
3700 1750 3700 2050
Wire Wire Line
3700 1950 4100 1950
Wire Wire Line
4100 2050 4000 2050
Wire Wire Line
4000 2050 4000 2350
Wire Wire Line
4000 2350 3700 2350
Wire Wire Line
3700 2350 3700 2250
Wire Wire Line
3850 2350 3850 2450
Connection ~ 3850 2350
Wire Wire Line
4100 1850 3700 1850
Connection ~ 3700 1950
Connection ~ 3700 1850
Wire Wire Line
4000 1150 4100 1150
Wire Wire Line
4100 1250 4000 1250
Wire Wire Line
4100 1500 4000 1500
Wire Wire Line
1450 1100 1550 1100
Wire Wire Line
5100 1150 5300 1150
Wire Wire Line
5100 1250 5300 1250
Wire Wire Line
5300 1800 5100 1800
NoConn ~ 5100 1400
NoConn ~ 5100 1500
NoConn ~ 5100 1600
NoConn ~ 5100 1700
NoConn ~ 5100 1900
NoConn ~ 5100 2050
Wire Wire Line
1550 1500 1550 1850
Wire Wire Line
1150 1700 1150 1750
Connection ~ 1550 1750
Text Label 1450 1100 0 60 ~ 0
VU
$EndSCHEMATC