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RasPi4-UART-RS485.sch
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EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title "Raspberry Pi 4 UART-RS485"
Date "15 nov 2012"
Rev ""
Comp "Noriaki Nakagawa"
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L power:+5V #PWR01
U 1 1 580C1B61
P 2850 2550
F 0 "#PWR01" H 2850 2400 50 0001 C CNN
F 1 "+5V" H 2850 2690 50 0000 C CNN
F 2 "" H 2850 2550 50 0000 C CNN
F 3 "" H 2850 2550 50 0000 C CNN
1 2850 2550
1 0 0 -1
$EndComp
Wire Wire Line
2850 2550 2850 2700
Wire Wire Line
2850 2700 2650 2700
Wire Wire Line
2850 2800 2650 2800
Connection ~ 2850 2700
$Comp
L power:GND #PWR02
U 1 1 580C1D11
P 2750 4750
F 0 "#PWR02" H 2750 4500 50 0001 C CNN
F 1 "GND" H 2750 4600 50 0000 C CNN
F 2 "" H 2750 4750 50 0000 C CNN
F 3 "" H 2750 4750 50 0000 C CNN
1 2750 4750
1 0 0 -1
$EndComp
Wire Wire Line
2750 2900 2750 3300
Wire Wire Line
2750 4300 2650 4300
Wire Wire Line
2750 4100 2650 4100
Connection ~ 2750 4300
Wire Wire Line
2750 3600 2650 3600
Connection ~ 2750 4100
Wire Wire Line
2750 3300 2650 3300
Connection ~ 2750 3600
$Comp
L power:GND #PWR03
U 1 1 580C1E01
P 2050 4750
F 0 "#PWR03" H 2050 4500 50 0001 C CNN
F 1 "GND" H 2050 4600 50 0000 C CNN
F 2 "" H 2050 4750 50 0000 C CNN
F 3 "" H 2050 4750 50 0000 C CNN
1 2050 4750
1 0 0 -1
$EndComp
Wire Wire Line
2050 4600 2150 4600
Wire Wire Line
2050 3100 2050 3900
Wire Wire Line
2050 3900 2150 3900
Connection ~ 2050 4600
Connection ~ 1950 2700
Wire Wire Line
1950 3500 2150 3500
Wire Wire Line
1950 2700 2150 2700
Wire Wire Line
1950 2550 1950 2700
$Comp
L power:+3.3V #PWR04
U 1 1 580C1BC1
P 1950 2550
F 0 "#PWR04" H 1950 2400 50 0001 C CNN
F 1 "+3.3V" H 1950 2690 50 0000 C CNN
F 2 "" H 1950 2550 50 0000 C CNN
F 3 "" H 1950 2550 50 0000 C CNN
1 1950 2550
1 0 0 -1
$EndComp
Wire Wire Line
2050 3100 2150 3100
Connection ~ 2050 3900
Wire Wire Line
2150 2800 1000 2800
Wire Wire Line
1000 2900 2150 2900
Wire Wire Line
1000 3000 2150 3000
Wire Wire Line
2150 3200 1000 3200
Wire Wire Line
1000 3300 2150 3300
Wire Wire Line
1000 3400 2150 3400
Wire Wire Line
2150 3600 1000 3600
Wire Wire Line
1000 3700 2150 3700
Wire Wire Line
1000 3800 2150 3800
Wire Wire Line
2150 4000 1000 4000
Wire Wire Line
1000 4100 2150 4100
Wire Wire Line
1000 4200 2150 4200
Wire Wire Line
2150 4300 1000 4300
Wire Wire Line
1000 4400 2150 4400
Wire Wire Line
1000 4500 2150 4500
Wire Wire Line
2650 4400 3700 4400
Wire Wire Line
2650 4500 3700 4500
Wire Wire Line
2650 3900 3700 3900
Wire Wire Line
2650 4000 3700 4000
Wire Wire Line
2650 3700 3700 3700
Wire Wire Line
2650 3800 3700 3800
Wire Wire Line
2650 3400 3700 3400
Wire Wire Line
2650 3500 3700 3500
Wire Wire Line
2650 3100 3700 3100
Wire Wire Line
2650 3200 3700 3200
Wire Wire Line
2650 3000 3700 3000
Wire Wire Line
2650 4200 3700 4200
Text Label 1000 2800 0 50 ~ 0
GPIO2(SDA1)
Text Label 1000 2900 0 50 ~ 0
GPIO3(SCL1)
Text Label 1000 3000 0 50 ~ 0
GPIO4(TXD3)
Text Label 1000 3200 0 50 ~ 0
GPIO17(GEN0)
Text Label 1000 3300 0 50 ~ 0
GPIO27(GEN2)
Text Label 1000 3400 0 50 ~ 0
GPIO22(GEN3)
Text Label 1000 3600 0 50 ~ 0
GPIO10
Text Label 1000 3700 0 50 ~ 0
GPIO9(RXD4)
Text Label 1000 3800 0 50 ~ 0
GPIO11
Text Label 1000 4000 0 50 ~ 0
GPIO(TXD2)
Text Label 1000 4100 0 50 ~ 0
GPIO5(RXD3)
Text Label 1000 4200 0 50 ~ 0
GPIO6
Text Label 1000 4300 0 50 ~ 0
GPIO13(RXD5)
Text Label 1000 4400 0 50 ~ 0
GPIO19
Text Label 1000 4500 0 50 ~ 0
GPIO26
Text Label 3700 4500 2 50 ~ 0
GPIO20
Text Label 3700 4400 2 50 ~ 0
GPIO16
Text Label 3700 4200 2 50 ~ 0
GPIO12(TXD5)
Text Label 3700 4000 2 50 ~ 0
GPIO1(RXD2)
Text Label 3700 3900 2 50 ~ 0
GPIO7
Text Label 3700 3800 2 50 ~ 0
GPIO8(TXD4)
Text Label 3700 3700 2 50 ~ 0
GPIO25(GEN6)
Text Label 3700 3500 2 50 ~ 0
GPIO24(GEN5)
Text Label 3700 3400 2 50 ~ 0
GPIO23(GEN4)
Text Label 3700 3200 2 50 ~ 0
GPIO18
Text Label 3700 3100 2 50 ~ 0
GPIO15(RXD1)
Text Label 3700 3000 2 50 ~ 0
GPIO14(TXD1)
Wire Wire Line
2750 2900 2650 2900
Connection ~ 2750 3300
$Comp
L RasPi4-UART-RS485-rescue:Mounting_Hole-Mechanical MK3
U 1 1 5834FBEF
P 1150 7400
F 0 "MK3" H 1250 7446 50 0000 L CNN
F 1 "M2.5" H 1250 7355 50 0000 L CNN
F 2 "MountingHole:MountingHole_2.7mm_M2.5" H 1150 7400 60 0001 C CNN
F 3 "" H 1150 7400 60 0001 C CNN
1 1150 7400
1 0 0 -1
$EndComp
$Comp
L RasPi4-UART-RS485-rescue:Mounting_Hole-Mechanical MK2
U 1 1 5834FC19
P 700 7600
F 0 "MK2" H 800 7646 50 0000 L CNN
F 1 "M2.5" H 800 7555 50 0000 L CNN
F 2 "MountingHole:MountingHole_2.7mm_M2.5" H 700 7600 60 0001 C CNN
F 3 "" H 700 7600 60 0001 C CNN
1 700 7600
1 0 0 -1
$EndComp
$Comp
L RasPi4-UART-RS485-rescue:Mounting_Hole-Mechanical MK4
U 1 1 5834FC4F
P 1150 7600
F 0 "MK4" H 1250 7646 50 0000 L CNN
F 1 "M2.5" H 1250 7555 50 0000 L CNN
F 2 "MountingHole:MountingHole_2.7mm_M2.5" H 1150 7600 60 0001 C CNN
F 3 "" H 1150 7600 60 0001 C CNN
1 1150 7600
1 0 0 -1
$EndComp
Text Notes 750 7300 0 50 ~ 0
Mounting Holes
$Comp
L Connector_Generic:Conn_02x20_Odd_Even P1
U 1 1 59AD464A
P 2350 3600
F 0 "P1" H 2400 4717 50 0000 C CNN
F 1 "Conn_02x20" H 2400 4626 50 0000 C CNN
F 2 "Socket_Strips:Socket_Strip_Straight_2x20_Pitch2.54mm" H -2500 2650 50 0001 C CNN
F 3 "" H -2500 2650 50 0001 C CNN
F 4 "https://akizukidenshi.com/catalog/g/gC-00085/" H 2350 3600 50 0001 C CNN "order_URL"
F 5 "FH-2x20SG" H 2350 3600 50 0001 C CNN "型番"
1 2350 3600
1 0 0 -1
$EndComp
Wire Wire Line
2650 4600 3700 4600
Text Label 3700 4600 2 50 ~ 0
GPIO21
Wire Wire Line
2850 2700 2850 2800
Wire Wire Line
2750 4300 2750 4750
Wire Wire Line
2750 4100 2750 4300
Wire Wire Line
2750 3600 2750 4100
Wire Wire Line
2050 4600 2050 4750
Wire Wire Line
1950 2700 1950 3500
Wire Wire Line
2050 3900 2050 4600
Wire Wire Line
2750 3300 2750 3600
$Comp
L Timer:LTC6994xS6-1 U6
U 1 1 5FBF67A8
P 7900 1250
F 0 "U6" H 7950 1000 50 0000 L CNN
F 1 "LTC6994xS6-1" H 7950 900 50 0000 L CNN
F 2 "TO_SOT_Packages_SMD:TSOT-23-6" H 7900 850 50 0001 C CNN
F 3 "https://www.analog.com/media/en/technical-documentation/data-sheets/699412fb.pdf" H 7650 1600 50 0001 C CNN
F 4 "https://www.digikey.jp/product-detail/ja/analog-devices-inc/LTC6994CS6-1-TRMPBF/LTC6994CS6-1-TRMPBFCT-ND/2404476" H 7900 1250 50 0001 C CNN "order_URL"
F 5 "LTC6994CS6-1#TRMPBF" H 7900 1250 50 0001 C CNN "型番"
1 7900 1250
1 0 0 -1
$EndComp
$Comp
L Device:R R1
U 1 1 5FBF77F2
P 7400 1500
AR Path="/5FBF77F2" Ref="R1" Part="1"
AR Path="/601FBA46/5FBF77F2" Ref="R?" Part="1"
F 0 "R1" H 7470 1546 50 0000 L CNN
F 1 "470k" H 7470 1455 50 0000 L CNN
F 2 "Resistors_SMD:R_0603" V 7330 1500 50 0001 C CNN
F 3 "~" H 7400 1500 50 0001 C CNN
F 4 "https://www.digikey.jp/product-detail/ja/panasonic-electronic-components/ERJ-3EKF4703V/P470KHCT-ND/1746784" H 7400 1500 50 0001 C CNN "order_URL"
F 5 "ERJ-3EKF4703V" H 7400 1500 50 0001 C CNN "型番"
1 7400 1500
1 0 0 -1
$EndComp
$Comp
L 74xGxx:74LVC1G04 U1
U 1 1 5FBFA707
P 7000 1250
F 0 "U1" H 6700 1500 50 0000 C CNN
F 1 "74LVC1G04" H 6750 1400 50 0000 C CNN
F 2 "TO_SOT_Packages_SMD:SOT-353_SC-70-5" H 7000 1250 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/74LVC1G04.pdf" H 7000 1250 50 0001 C CNN
F 4 "https://www.digikey.jp/product-detail/ja/nexperia-usa-inc/74LVC1G04GW-125/1727-2871-1-ND/763420" H 7000 1250 50 0001 C CNN "order_URL"
F 5 "74LVC1G04GW,125" H 7000 1250 50 0001 C CNN "型番"
1 7000 1250
1 0 0 -1
$EndComp
Text GLabel 6600 1250 0 50 Input ~ 0
TXD1
Text GLabel 9350 1050 0 50 Output ~ 0
RXD1
Wire Wire Line
6600 1250 6700 1250
Wire Wire Line
7250 1250 7500 1250
Wire Wire Line
7500 1350 7400 1350
Wire Wire Line
7900 1650 7900 1750
Wire Wire Line
7400 1650 7900 1650
Wire Wire Line
7900 1650 7900 1550
Wire Wire Line
7900 850 7900 950
Wire Wire Line
7900 850 7500 850
Wire Wire Line
7000 850 7000 1150
Connection ~ 7900 850
Wire Wire Line
7000 1350 7000 1650
Wire Wire Line
7000 1650 7400 1650
Wire Wire Line
7500 1150 7500 850
Connection ~ 7500 850
Wire Wire Line
7500 850 7000 850
Wire Wire Line
7900 750 7900 850
Connection ~ 7900 1650
Wire Wire Line
9350 1050 9450 1050
Text GLabel 9350 1450 0 50 Input ~ 0
TXD1
Wire Wire Line
9350 1450 9450 1450
Wire Wire Line
8300 1250 9450 1250
Wire Wire Line
9450 1150 9450 1250
Wire Wire Line
7900 850 8550 850
Wire Wire Line
7900 1650 8550 1650
Wire Wire Line
8550 850 8550 900
Wire Wire Line
8550 1200 8550 1650
Text Notes 6350 1700 0 50 ~ 0
Tdelay=10us
Text Notes 6350 1950 0 50 ~ 0
Rset=(50kΩ/1us)×(Tdelay/Ndiv)\n=(50kΩ/1us)×(10us/1)=500kΩ\n≒470kΩ ⇒ Tdelay=9.4us
Text Notes 8050 1950 0 50 ~ 0
Ndiv=1\nPOL=1 (Falling-Edge Delayed)\nTdelay=1us to 16us
Connection ~ 8550 1650
Wire Wire Line
8550 1650 8800 1650
Connection ~ 8550 850
Wire Wire Line
8550 850 8800 850
Wire Wire Line
8800 850 8800 900
Connection ~ 8800 850
Wire Wire Line
8800 1200 8800 1650
Connection ~ 8800 1650
$Comp
L power:+3.3V #PWR0183
U 1 1 5FBA1579
P 7900 750
F 0 "#PWR0183" H 7900 600 50 0001 C CNN
F 1 "+3.3V" H 7915 923 50 0000 C CNN
F 2 "" H 7900 750 50 0001 C CNN
F 3 "" H 7900 750 50 0001 C CNN
1 7900 750
1 0 0 -1
$EndComp
$Comp
L Device:C C1
U 1 1 5FF9035A
P 8550 1050
AR Path="/5FF9035A" Ref="C1" Part="1"
AR Path="/601FBA46/5FF9035A" Ref="C?" Part="1"
F 0 "C1" H 8665 1096 50 0000 L CNN
F 1 "0.1u" H 8665 1005 50 0000 L CNN
F 2 "Capacitors_SMD:C_0603" H 8588 900 50 0001 C CNN
F 3 "~" H 8550 1050 50 0001 C CNN
F 4 "C0603C104M4RACTU" H 8550 1050 50 0001 C CNN "型番"
F 5 "https://www.digikey.jp/product-detail/ja/kemet/C0603C104M4RACTU/399-1099-1-ND/411374" H 8550 1050 50 0001 C CNN "order_URL"
1 8550 1050
-1 0 0 -1
$EndComp
$Comp
L Device:C C2
U 1 1 5FFA12DF
P 8800 1050
AR Path="/5FFA12DF" Ref="C2" Part="1"
AR Path="/601FBA46/5FFA12DF" Ref="C?" Part="1"
F 0 "C2" H 8915 1096 50 0000 L CNN
F 1 "0.1u" H 8915 1005 50 0000 L CNN
F 2 "Capacitors_SMD:C_0603" H 8838 900 50 0001 C CNN
F 3 "~" H 8800 1050 50 0001 C CNN
F 4 "C0603C104M4RACTU" H 8800 1050 50 0001 C CNN "型番"
F 5 "https://www.digikey.jp/product-detail/ja/kemet/C0603C104M4RACTU/399-1099-1-ND/411374" H 8800 1050 50 0001 C CNN "order_URL"
1 8800 1050
1 0 0 -1
$EndComp
$Comp
L Connector_Generic:Conn_01x02 J7
U 1 1 5FD4C039
P 800 1150
F 0 "J7" H 718 825 50 0000 C CNN
F 1 "B2B-XH" H 718 916 50 0000 C CNN
F 2 "Connectors_JST:JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical" H 800 1150 50 0001 C CNN
F 3 "~" H 800 1150 50 0001 C CNN
F 4 "https://akizukidenshi.com/catalog/g/gC-12247/" H 800 1150 50 0001 C CNN "order_URL"
F 5 "B2B-XH-A(LF)(SN" H 800 1150 50 0001 C CNN "型番"
1 800 1150
-1 0 0 1
$EndComp
$Comp
L Device:LED D1
U 1 1 600123BD
P 1300 1300
F 0 "D1" H 1300 1200 50 0000 C CNN
F 1 "LED" H 1300 1100 50 0000 C CNN
F 2 "LEDs:LED_0603" H 1300 1300 50 0001 C CNN
F 3 "~" H 1300 1300 50 0001 C CNN
F 4 "https://www.digikey.jp/product-detail/ja/lite-on-inc/LTST-C190KRKT/160-1436-1-ND/386816" H 1300 1300 50 0001 C CNN "order_URL"
F 5 "LTST-C190KRKT" H 1300 1300 50 0001 C CNN "型番"
1 1300 1300
0 -1 -1 0
$EndComp
$Comp
L Device:R R8
U 1 1 6001BEDC
P 1300 1650
AR Path="/6001BEDC" Ref="R8" Part="1"
AR Path="/601FBA46/6001BEDC" Ref="R?" Part="1"
F 0 "R8" V 1400 1550 50 0000 L CNN
F 1 "10k" V 1500 1550 50 0000 L CNN
F 2 "Resistors_SMD:R_0603" V 1230 1650 50 0001 C CNN
F 3 "~" H 1300 1650 50 0001 C CNN
F 4 "https://www.digikey.jp/product-detail/ja/te-connectivity-passive-product/CRG0603F10K-10/A121523CT-ND/5246510" H 1300 1650 50 0001 C CNN "order_URL"
F 5 "CRG0603F10K/10" H 1300 1650 50 0001 C CNN "型番"
1 1300 1650
1 0 0 -1
$EndComp
Wire Wire Line
1300 1450 1300 1500
Connection ~ 7400 1650
NoConn ~ 1850 1100
$Comp
L power:+BATT #PWR06
U 1 1 57DF6EBA
P 1650 1000
F 0 "#PWR06" H 1650 850 50 0001 C CNN
F 1 "+BATT" H 1650 1140 50 0000 C CNN
F 2 "" H 1650 1000 50 0000 C CNN
F 3 "" H 1650 1000 50 0000 C CNN
1 1650 1000
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR07
U 1 1 57DF6EED
P 2400 2000
F 0 "#PWR07" H 2400 1750 50 0001 C CNN
F 1 "GND" H 2400 1850 50 0000 C CNN
F 2 "" H 2400 2000 50 0000 C CNN
F 3 "" H 2400 2000 50 0000 C CNN
1 2400 2000
1 0 0 -1
$EndComp
$Comp
L power:+5V #PWR08
U 1 1 57DF70BC
P 3100 1000
F 0 "#PWR08" H 3100 850 50 0001 C CNN
F 1 "+5V" H 3100 1140 50 0000 C CNN
F 2 "" H 3100 1000 50 0000 C CNN
F 3 "" H 3100 1000 50 0000 C CNN
1 3100 1000
1 0 0 -1
$EndComp
Wire Notes Line
10450 11250 10350 11250
Wire Notes Line
3500 11250 3400 11250
Wire Wire Line
1650 1000 1650 1050
Wire Wire Line
1650 1300 1850 1300
Wire Wire Line
1850 1500 1850 1900
Wire Wire Line
1850 1900 2400 1900
Wire Wire Line
2950 1900 2950 1500
Connection ~ 2400 1900
Wire Wire Line
2950 1100 3100 1100
Wire Wire Line
3100 1100 3100 1000
Wire Wire Line
2400 2000 2400 1900
Wire Wire Line
2400 1900 2950 1900
$Comp
L power:+BATT #PWR0101
U 1 1 5FDFE0EB
P 10700 800
F 0 "#PWR0101" H 10700 650 50 0001 C CNN
F 1 "+BATT" H 10700 940 50 0000 C CNN
F 2 "" H 10700 800 50 0000 C CNN
F 3 "" H 10700 800 50 0000 C CNN
1 10700 800
1 0 0 -1
$EndComp
$Comp
L power:+BATT #PWR0102
U 1 1 5FE0475A
P 1200 7100
F 0 "#PWR0102" H 1200 6950 50 0001 C CNN
F 1 "+BATT" H 1200 7240 50 0000 C CNN
F 2 "" H 1200 7100 50 0000 C CNN
F 3 "" H 1200 7100 50 0000 C CNN
1 1200 7100
1 0 0 -1
$EndComp
Wire Wire Line
800 7100 1200 7100
Text GLabel 3700 3100 2 50 Input ~ 0
RXD1
Text GLabel 3700 3000 2 50 Output ~ 0
TXD1
Text GLabel 3700 4000 2 50 Input ~ 0
RXD2
Text GLabel 1000 4000 0 50 Output ~ 0
TXD2
Text GLabel 1000 4100 0 50 Input ~ 0
RXD3
Text GLabel 1000 3000 0 50 Output ~ 0
TXD3
Text GLabel 1000 3700 0 50 Input ~ 0
RXD4
Text GLabel 3700 3800 2 50 Output ~ 0
TXD4
Text GLabel 1000 4300 0 50 Input ~ 0
RXD5
Text GLabel 3700 4200 2 50 Output ~ 0
TXD5
$Comp
L ST1480ACDR:ST1480ACDR U11
U 1 1 5FE4A026
P 9850 1250
F 0 "U11" H 9850 1831 50 0000 C CNN
F 1 "ST1480ACDR" H 9850 1740 50 0000 C CNN
F 2 "Housings_SOIC:SOIC-8_3.9x4.9mm_Pitch1.27mm" H 10900 900 50 0001 C CIN
F 3 "https://media.digikey.com/pdf/Data%20Sheets/ST%20Microelectronics%20PDFS/ST1480AB_C_Rev_4.pdf" H 10300 800 50 0001 C CNN
F 4 "https://www.digikey.jp/product-detail/ja/stmicroelectronics/ST1480ACDR/497-3726-1-ND/686444" H 10000 650 50 0001 C CNN "order_URL"
F 5 "ST1480ACDR" H 10300 800 50 0001 C CNN "型番"
1 9850 1250
1 0 0 -1
$EndComp
$Comp
L D24V50F5:D24V50F5 U17
U 1 1 5FEB4714
P 2400 1300
F 0 "U17" H 2400 1887 60 0000 C CNN
F 1 "D24V50F5" H 2400 1781 60 0000 C CNN
F 2 "D24V50F5:D24V50F5" H 2400 1300 60 0001 C CNN
F 3 "https://www.pololu.com/product/2851" H 2400 1300 60 0001 C CNN
F 4 "https://store.shopping.yahoo.co.jp/suzakulab/pololu-2851.html" H 2400 1300 50 0001 C CNN "order_URL"
F 5 "D24V50F5" H 2400 1300 50 0001 C CNN "型番"
1 2400 1300
1 0 0 -1
$EndComp
Wire Wire Line
9450 1250 9450 1350
Connection ~ 9450 1250
Wire Wire Line
8800 850 9850 850
Wire Wire Line
8800 1650 9850 1650
Wire Wire Line
1000 1050 1300 1050
Connection ~ 1650 1050
Wire Wire Line
1650 1050 1650 1300
Wire Wire Line
1000 1150 1000 1900
Wire Wire Line
1000 1900 1300 1900
Connection ~ 1850 1900
Wire Wire Line
1300 1050 1300 1150
Connection ~ 1300 1050
Wire Wire Line
1300 1050 1650 1050
Wire Wire Line
1300 1800 1300 1900
Connection ~ 1300 1900
Wire Wire Line
1300 1900 1850 1900
$Comp
L power:PWR_FLAG #FLG01
U 1 1 5FEF841E
P 800 7100
F 0 "#FLG01" H 800 7175 50 0001 C CNN
F 1 "PWR_FLAG" H 800 7273 50 0000 C CNN
F 2 "" H 800 7100 50 0001 C CNN
F 3 "~" H 800 7100 50 0001 C CNN
1 800 7100
1 0 0 -1
$EndComp
$Comp
L Connector_Generic:Conn_01x04 J1
U 1 1 5FBDE04B
P 11000 1100
F 0 "J1" H 10950 1300 50 0000 C CNN
F 1 "B4B-EH" H 10950 1400 50 0000 C CNN
F 2 "Connectors_JST:JST_EH_B4B-EH-A_1x04_P2.50mm_Vertical" H 11000 1100 50 0001 C CNN
F 3 "~" H 11000 1100 50 0001 C CNN
F 4 "https://www.digikey.jp/product-detail/ja/jst-sales-america-inc/B4B-EH-A-LF-SN/455-1613-ND/758748" H 11000 1100 50 0001 C CNN "order_URL"
F 5 "B4B-EH-A(LF)(SN)" H 11000 1100 50 0001 C CNN "型番"
1 11000 1100
1 0 0 -1
$EndComp
Wire Wire Line
10250 1150 10350 1150
Wire Wire Line
10350 1150 10350 1200
Wire Wire Line
10350 1300 10350 1350
Wire Wire Line
10350 1350 10250 1350
$Comp
L power:GND #PWR0110
U 1 1 5FC01218
P 7900 1750
AR Path="/5FC01218" Ref="#PWR0110" Part="1"
AR Path="/601FBA46/5FC01218" Ref="#PWR?" Part="1"
F 0 "#PWR0110" H 7900 1500 50 0001 C CNN
F 1 "GND" H 7905 1577 50 0000 C CNN
F 2 "" H 7900 1750 50 0001 C CNN
F 3 "" H 7900 1750 50 0001 C CNN
1 7900 1750
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR09
U 1 1 5FF285C5
P 10600 1850
AR Path="/5FF285C5" Ref="#PWR09" Part="1"
AR Path="/601FBA46/5FF285C5" Ref="#PWR?" Part="1"
F 0 "#PWR09" H 10600 1600 50 0001 C CNN
F 1 "GND" H 10605 1677 50 0000 C CNN
F 2 "" H 10600 1850 50 0001 C CNN
F 3 "" H 10600 1850 50 0001 C CNN
1 10600 1850
1 0 0 -1
$EndComp
$Comp
L Timer:LTC6994xS6-1 U7
U 1 1 5FF72E8E
P 7900 2750
F 0 "U7" H 7950 2500 50 0000 L CNN
F 1 "LTC6994xS6-1" H 7950 2400 50 0000 L CNN
F 2 "TO_SOT_Packages_SMD:TSOT-23-6" H 7900 2350 50 0001 C CNN
F 3 "https://www.analog.com/media/en/technical-documentation/data-sheets/699412fb.pdf" H 7650 3100 50 0001 C CNN
F 4 "https://www.digikey.jp/product-detail/ja/analog-devices-inc/LTC6994CS6-1-TRMPBF/LTC6994CS6-1-TRMPBFCT-ND/2404476" H 7900 2750 50 0001 C CNN "order_URL"
F 5 "LTC6994CS6-1#TRMPBF" H 7900 2750 50 0001 C CNN "型番"
1 7900 2750
1 0 0 -1
$EndComp
$Comp
L Device:R R2
U 1 1 5FF72E96
P 7400 3000
AR Path="/5FF72E96" Ref="R2" Part="1"
AR Path="/601FBA46/5FF72E96" Ref="R?" Part="1"
F 0 "R2" H 7470 3046 50 0000 L CNN
F 1 "470k" H 7470 2955 50 0000 L CNN
F 2 "Resistors_SMD:R_0603" V 7330 3000 50 0001 C CNN
F 3 "~" H 7400 3000 50 0001 C CNN
F 4 "https://www.digikey.jp/product-detail/ja/panasonic-electronic-components/ERJ-3EKF4703V/P470KHCT-ND/1746784" H 7400 3000 50 0001 C CNN "order_URL"
F 5 "ERJ-3EKF4703V" H 7400 3000 50 0001 C CNN "型番"
1 7400 3000
1 0 0 -1
$EndComp
$Comp
L 74xGxx:74LVC1G04 U2
U 1 1 5FF72E9E
P 7000 2750
F 0 "U2" H 6700 3000 50 0000 C CNN
F 1 "74LVC1G04" H 6750 2900 50 0000 C CNN
F 2 "TO_SOT_Packages_SMD:SOT-353_SC-70-5" H 7000 2750 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/74LVC1G04.pdf" H 7000 2750 50 0001 C CNN
F 4 "https://www.digikey.jp/product-detail/ja/nexperia-usa-inc/74LVC1G04GW-125/1727-2871-1-ND/763420" H 7000 2750 50 0001 C CNN "order_URL"
F 5 "74LVC1G04GW,125" H 7000 2750 50 0001 C CNN "型番"
1 7000 2750
1 0 0 -1
$EndComp
Text GLabel 6600 2750 0 50 Input ~ 0
TXD2
Text GLabel 9350 2550 0 50 Output ~ 0
RXD2
Wire Wire Line
6600 2750 6700 2750
Wire Wire Line
7250 2750 7500 2750
Wire Wire Line
7500 2850 7400 2850
Wire Wire Line
7900 3150 7900 3250
Wire Wire Line
7400 3150 7900 3150
Wire Wire Line
7900 3150 7900 3050
Wire Wire Line
7900 2350 7900 2450
Wire Wire Line
7900 2350 7500 2350
Wire Wire Line
7000 2350 7000 2650
Connection ~ 7900 2350
Wire Wire Line
7000 2850 7000 3150
Wire Wire Line
7000 3150 7400 3150
Wire Wire Line
7500 2650 7500 2350
Connection ~ 7500 2350
Wire Wire Line
7500 2350 7000 2350
Wire Wire Line
7900 2250 7900 2350
Connection ~ 7900 3150
Wire Wire Line
9350 2550 9450 2550
Text GLabel 9350 2950 0 50 Input ~ 0
TXD2
Wire Wire Line
9350 2950 9450 2950
Wire Wire Line
8300 2750 9450 2750
Wire Wire Line
9450 2650 9450 2750
Wire Wire Line
7900 2350 8550 2350
Wire Wire Line
7900 3150 8550 3150
Wire Wire Line
8550 2350 8550 2400
Wire Wire Line
8550 2700 8550 3150
Connection ~ 8550 3150
Wire Wire Line
8550 3150 8800 3150
Connection ~ 8550 2350
Wire Wire Line
8550 2350 8800 2350
Wire Wire Line
8800 2350 8800 2400
Connection ~ 8800 2350
Wire Wire Line
8800 2700 8800 3150
Connection ~ 8800 3150
$Comp
L power:+3.3V #PWR011
U 1 1 5FF72ECB
P 7900 2250
F 0 "#PWR011" H 7900 2100 50 0001 C CNN
F 1 "+3.3V" H 7915 2423 50 0000 C CNN
F 2 "" H 7900 2250 50 0001 C CNN
F 3 "" H 7900 2250 50 0001 C CNN
1 7900 2250
1 0 0 -1
$EndComp
$Comp
L Device:C C3
U 1 1 5FF72ED3
P 8550 2550
AR Path="/5FF72ED3" Ref="C3" Part="1"
AR Path="/601FBA46/5FF72ED3" Ref="C?" Part="1"
F 0 "C3" H 8665 2596 50 0000 L CNN
F 1 "0.1u" H 8665 2505 50 0000 L CNN
F 2 "Capacitors_SMD:C_0603" H 8588 2400 50 0001 C CNN
F 3 "~" H 8550 2550 50 0001 C CNN
F 4 "C0603C104M4RACTU" H 8550 2550 50 0001 C CNN "型番"
F 5 "https://www.digikey.jp/product-detail/ja/kemet/C0603C104M4RACTU/399-1099-1-ND/411374" H 8550 2550 50 0001 C CNN "order_URL"
1 8550 2550
-1 0 0 -1
$EndComp
$Comp
L Device:C C4
U 1 1 5FF72EDB
P 8800 2550
AR Path="/5FF72EDB" Ref="C4" Part="1"
AR Path="/601FBA46/5FF72EDB" Ref="C?" Part="1"
F 0 "C4" H 8915 2596 50 0000 L CNN
F 1 "0.1u" H 8915 2505 50 0000 L CNN
F 2 "Capacitors_SMD:C_0603" H 8838 2400 50 0001 C CNN
F 3 "~" H 8800 2550 50 0001 C CNN
F 4 "C0603C104M4RACTU" H 8800 2550 50 0001 C CNN "型番"
F 5 "https://www.digikey.jp/product-detail/ja/kemet/C0603C104M4RACTU/399-1099-1-ND/411374" H 8800 2550 50 0001 C CNN "order_URL"
1 8800 2550
1 0 0 -1
$EndComp
Connection ~ 7400 3150
$Comp
L power:+BATT #PWR012
U 1 1 5FF72EE2
P 10350 2450
F 0 "#PWR012" H 10350 2300 50 0001 C CNN
F 1 "+BATT" H 10350 2590 50 0000 C CNN
F 2 "" H 10350 2450 50 0000 C CNN
F 3 "" H 10350 2450 50 0000 C CNN
1 10350 2450
1 0 0 -1
$EndComp
$Comp
L ST1480ACDR:ST1480ACDR U12
U 1 1 5FF72EEA
P 9850 2750
F 0 "U12" H 9850 3331 50 0000 C CNN
F 1 "ST1480ACDR" H 9850 3240 50 0000 C CNN
F 2 "Housings_SOIC:SOIC-8_3.9x4.9mm_Pitch1.27mm" H 10900 2400 50 0001 C CIN
F 3 "https://media.digikey.com/pdf/Data%20Sheets/ST%20Microelectronics%20PDFS/ST1480AB_C_Rev_4.pdf" H 10300 2300 50 0001 C CNN
F 4 "https://www.digikey.jp/product-detail/ja/stmicroelectronics/ST1480ACDR/497-3726-1-ND/686444" H 10000 2150 50 0001 C CNN "order_URL"
F 5 "ST1480ACDR" H 10300 2300 50 0001 C CNN "型番"
1 9850 2750
1 0 0 -1
$EndComp
Wire Wire Line
9450 2750 9450 2850
Connection ~ 9450 2750
Wire Wire Line
8800 2350 9850 2350
Wire Wire Line
8800 3150 9850 3150
$Comp
L Connector_Generic:Conn_01x04 J2
U 1 1 5FF72EF6
P 10750 2600
F 0 "J2" H 10700 2800 50 0000 C CNN
F 1 "B4B-EH" H 10800 2900 50 0000 C CNN
F 2 "Connectors_JST:JST_EH_B4B-EH-A_1x04_P2.50mm_Vertical" H 10750 2600 50 0001 C CNN
F 3 "~" H 10750 2600 50 0001 C CNN
F 4 "https://www.digikey.jp/product-detail/ja/jst-sales-america-inc/B4B-EH-A-LF-SN/455-1613-ND/758748" H 10750 2600 50 0001 C CNN "order_URL"
F 5 "B4B-EH-A(LF)(SN)" H 10750 2600 50 0001 C CNN "型番"
1 10750 2600
1 0 0 -1
$EndComp
Wire Wire Line
10250 2650 10350 2650
Wire Wire Line
10350 2650 10350 2700
Wire Wire Line
10350 2700 10550 2700
Wire Wire Line
10550 2800 10350 2800
Wire Wire Line
10350 2800 10350 2850
Wire Wire Line
10350 2850 10250 2850
Wire Wire Line
10350 2450 10350 2600
Wire Wire Line
10350 2600 10550 2600
$Comp
L power:GND #PWR014
U 1 1 5FF72F04
P 7900 3250
AR Path="/5FF72F04" Ref="#PWR014" Part="1"
AR Path="/601FBA46/5FF72F04" Ref="#PWR?" Part="1"
F 0 "#PWR014" H 7900 3000 50 0001 C CNN
F 1 "GND" H 7905 3077 50 0000 C CNN
F 2 "" H 7900 3250 50 0001 C CNN
F 3 "" H 7900 3250 50 0001 C CNN
1 7900 3250
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR013
U 1 1 5FF72F0A
P 10500 3050
AR Path="/5FF72F0A" Ref="#PWR013" Part="1"
AR Path="/601FBA46/5FF72F0A" Ref="#PWR?" Part="1"
F 0 "#PWR013" H 10500 2800 50 0001 C CNN
F 1 "GND" H 10505 2877 50 0000 C CNN
F 2 "" H 10500 3050 50 0001 C CNN
F 3 "" H 10500 3050 50 0001 C CNN
1 10500 3050
1 0 0 -1
$EndComp
Wire Wire Line
10500 2500 10550 2500
Wire Wire Line
10500 2500 10500 3050
$Comp
L Timer:LTC6994xS6-1 U8
U 1 1 5FFAC9C5
P 7900 4250
F 0 "U8" H 7950 4000 50 0000 L CNN
F 1 "LTC6994xS6-1" H 7950 3900 50 0000 L CNN
F 2 "TO_SOT_Packages_SMD:TSOT-23-6" H 7900 3850 50 0001 C CNN
F 3 "https://www.analog.com/media/en/technical-documentation/data-sheets/699412fb.pdf" H 7650 4600 50 0001 C CNN
F 4 "https://www.digikey.jp/product-detail/ja/analog-devices-inc/LTC6994CS6-1-TRMPBF/LTC6994CS6-1-TRMPBFCT-ND/2404476" H 7900 4250 50 0001 C CNN "order_URL"
F 5 "LTC6994CS6-1#TRMPBF" H 7900 4250 50 0001 C CNN "型番"
1 7900 4250
1 0 0 -1
$EndComp
$Comp
L Device:R R3
U 1 1 5FFAC9CD
P 7400 4500
AR Path="/5FFAC9CD" Ref="R3" Part="1"
AR Path="/601FBA46/5FFAC9CD" Ref="R?" Part="1"
F 0 "R3" H 7470 4546 50 0000 L CNN
F 1 "470k" H 7470 4455 50 0000 L CNN
F 2 "Resistors_SMD:R_0603" V 7330 4500 50 0001 C CNN
F 3 "~" H 7400 4500 50 0001 C CNN
F 4 "https://www.digikey.jp/product-detail/ja/panasonic-electronic-components/ERJ-3EKF4703V/P470KHCT-ND/1746784" H 7400 4500 50 0001 C CNN "order_URL"
F 5 "ERJ-3EKF4703V" H 7400 4500 50 0001 C CNN "型番"
1 7400 4500
1 0 0 -1
$EndComp
$Comp
L 74xGxx:74LVC1G04 U3
U 1 1 5FFAC9D5
P 7000 4250
F 0 "U3" H 6700 4500 50 0000 C CNN
F 1 "74LVC1G04" H 6750 4400 50 0000 C CNN
F 2 "TO_SOT_Packages_SMD:SOT-353_SC-70-5" H 7000 4250 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/74LVC1G04.pdf" H 7000 4250 50 0001 C CNN
F 4 "https://www.digikey.jp/product-detail/ja/nexperia-usa-inc/74LVC1G04GW-125/1727-2871-1-ND/763420" H 7000 4250 50 0001 C CNN "order_URL"
F 5 "74LVC1G04GW,125" H 7000 4250 50 0001 C CNN "型番"
1 7000 4250
1 0 0 -1
$EndComp
Text GLabel 6600 4250 0 50 Input ~ 0
TXD3
Text GLabel 9350 4050 0 50 Output ~ 0
RXD3
Wire Wire Line
6600 4250 6700 4250
Wire Wire Line
7250 4250 7500 4250
Wire Wire Line
7500 4350 7400 4350
Wire Wire Line
7900 4650 7900 4750
Wire Wire Line
7400 4650 7900 4650
Wire Wire Line
7900 4650 7900 4550
Wire Wire Line
7900 3850 7900 3950
Wire Wire Line
7900 3850 7500 3850
Wire Wire Line
7000 3850 7000 4150
Connection ~ 7900 3850
Wire Wire Line
7000 4350 7000 4650
Wire Wire Line
7000 4650 7400 4650
Wire Wire Line
7500 4150 7500 3850
Connection ~ 7500 3850
Wire Wire Line
7500 3850 7000 3850
Wire Wire Line
7900 3750 7900 3850
Connection ~ 7900 4650
Wire Wire Line
9350 4050 9450 4050