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EESchema Schematic File Version 4
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Title "MegaWiFi"
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A6
Text Label 5250 4350 0 60 ~ 0
A13
Text Label 5250 1850 0 60 ~ 0
A20
Text Label 5250 2950 0 60 ~ 0
A5
Text Label 5250 1750 0 60 ~ 0
A21
Text Label 5250 4450 0 60 ~ 0
A14
Text Label 5250 3050 0 60 ~ 0
A4
Text Label 5250 4550 0 60 ~ 0
A15
Text Label 5250 3150 0 60 ~ 0
A3
Text Label 5250 4650 0 60 ~ 0
A16
Text Label 5250 3250 0 60 ~ 0
A2
Text Label 5250 4750 0 60 ~ 0
A17
Text Label 5250 5050 0 60 ~ 0
A1
Entry Wire Line
5550 4350 5650 4450
Text Label 5250 5450 0 60 ~ 0
D15
Text Label 5250 5550 0 60 ~ 0
D7
Text Label 5250 5650 0 60 ~ 0
D14
Text Label 5250 5750 0 60 ~ 0
D6
Text Label 5250 5850 0 60 ~ 0
D13
Text Label 5250 5950 0 60 ~ 0
D5
Text Label 5250 6050 0 60 ~ 0
D12
Text Label 5250 6150 0 60 ~ 0
D4
Text Label 5250 6850 0 60 ~ 0
D11
Text Label 5250 6950 0 60 ~ 0
D3
Text Label 5250 7050 0 60 ~ 0
D10
Text Label 5250 7150 0 60 ~ 0
D2
Text Label 5250 7250 0 60 ~ 0
D9
Text Label 5250 7350 0 60 ~ 0
D1
Text Label 5250 7450 0 60 ~ 0
D8
Text Label 5250 7550 0 60 ~ 0
D0
Text Label 4250 4850 2 60 ~ 0
#C_OE
Text Label 4250 4950 2 60 ~ 0
#C_CE
Text Label 5250 4850 0 60 ~ 0
#OE
Text Label 5250 4950 0 60 ~ 0
#CE
Text Label 3250 4550 0 60 ~ 0
C_A21
NoConn ~ 3250 4650
NoConn ~ 3250 4750
Text Label 4250 5050 2 60 ~ 0
C_A1
Entry Wire Line
5650 1650 5750 1550
Entry Wire Line
5650 1750 5750 1650
Entry Wire Line
5650 1850 5750 1750
Entry Wire Line
5650 1950 5750 1850
Entry Wire Line
5650 2050 5750 1950
Entry Wire Line
5650 2150 5750 2050
Entry Wire Line
5650 2250 5750 2150
Entry Wire Line
5650 2350 5750 2250
Entry Wire Line
5650 2450 5750 2350
Entry Wire Line
5650 2550 5750 2450
Entry Wire Line
5650 2650 5750 2550
Entry Wire Line
5650 2750 5750 2650
Entry Wire Line
5650 2850 5750 2750
Entry Wire Line
5650 2950 5750 2850
Entry Wire Line
5650 3050 5750 2950
Entry Wire Line
5650 3150 5750 3050
Entry Wire Line
5650 3250 5750 3150
Entry Wire Line
5650 3350 5750 3250
Entry Wire Line
5650 3450 5750 3350
Entry Wire Line
5650 3550 5750 3450
Entry Wire Line
5650 3650 5750 3550
Entry Wire Line
5650 3850 5750 3750
Entry Wire Line
5650 3950 5750 3850
Entry Wire Line
5650 4050 5750 3950
Entry Wire Line
5650 4150 5750 4050
Entry Wire Line
5650 4250 5750 4150
Entry Wire Line
5650 4350 5750 4250
Entry Wire Line
5650 4450 5750 4350
Entry Wire Line
5650 4550 5750 4450
Entry Wire Line
5650 4650 5750 4550
Entry Wire Line
5650 4750 5750 4650
Entry Wire Line
5650 4850 5750 4750
Entry Wire Line
5650 4950 5750 4850
Entry Wire Line
5650 5050 5750 4950
Entry Wire Line
5650 5150 5750 5050
Entry Wire Line
5650 5250 5750 5150
Entry Wire Line
5650 5350 5750 5250
Entry Wire Line
5650 5550 5750 5450
Entry Wire Line
5650 5650 5750 5550
Entry Wire Line
5650 5750 5750 5650
Entry Wire Line
5650 5950 5750 5850
Text Label 6100 1550 2 60 ~ 0
A1
Text Label 6100 1650 2 60 ~ 0
A2
Text Label 6100 1750 2 60 ~ 0
A3
Text Label 6100 1850 2 60 ~ 0
A4
Text Label 6100 1950 2 60 ~ 0
A5
Text Label 6100 2050 2 60 ~ 0
A6
Text Label 6100 2150 2 60 ~ 0
A7
Text Label 6100 2250 2 60 ~ 0
A8
Text Label 6100 2350 2 60 ~ 0
A9
Text Label 6100 2450 2 60 ~ 0
A10
Text Label 6100 2550 2 60 ~ 0
A11
Text Label 6100 2650 2 60 ~ 0
A12
Text Label 6100 2750 2 60 ~ 0
A13
Text Label 6100 2850 2 60 ~ 0
A14
Text Label 6100 2950 2 60 ~ 0
A15
Text Label 6100 3050 2 60 ~ 0
A16
Text Label 6100 3150 2 60 ~ 0
A17
Text Label 6100 3250 2 60 ~ 0
A18
Text Label 6100 3350 2 60 ~ 0
A19
Text Label 6100 3450 2 60 ~ 0
A20
Text Label 6100 3550 2 60 ~ 0
A21
Text Label 6100 3750 2 60 ~ 0
D0
Text Label 6100 3850 2 60 ~ 0
D1
Text Label 6100 3950 2 60 ~ 0
D2
Text Label 6100 4050 2 60 ~ 0
D3
Text Label 6100 4150 2 60 ~ 0
D4
Text Label 6100 4250 2 60 ~ 0
D5
Text Label 6100 4350 2 60 ~ 0
D6
Text Label 6100 4450 2 60 ~ 0
D7
Text Label 6100 4550 2 60 ~ 0
D8
Text Label 6100 4650 2 60 ~ 0
D9
Text Label 6100 4750 2 60 ~ 0
D10
Text Label 6100 4850 2 60 ~ 0
D11
Text Label 6100 4950 2 60 ~ 0
D12
Text Label 6100 5050 2 60 ~ 0
D13
Text Label 6100 5150 2 60 ~ 0
D14
Text Label 6100 5250 2 60 ~ 0
D15
Text Label 6100 5450 2 60 ~ 0
#CE
Text Label 6100 5550 2 60 ~ 0
#OE
Text Label 6100 5850 2 60 ~ 0
#RST
NoConn ~ 1650 3850
NoConn ~ 1650 5450
NoConn ~ 1650 5550
NoConn ~ 1650 6150
NoConn ~ 1650 6350
NoConn ~ 1650 6950
Text Label 5500 8650 2 60 ~ 0
C_CLK
$Comp
L Device:C C8
U 1 1 561DA569
P 1400 2900
F 0 "C8" H 1425 3000 50 0000 L CNN
F 1 "100n" H 1425 2800 50 0000 L CNN
F 2 "Capacitors_SMD:C_0805" H 1438 2750 30 0001 C CNN
F 3 "" H 1400 2900 60 0000 C CNN
F 4 "C2830722" H 1400 2900 50 0001 C CNN "LCSC#"
1 1400 2900
1 0 0 -1
$EndComp
$Comp
L Device:CP C7
U 1 1 561DA6C6
P 1150 2900
F 0 "C7" H 1175 3000 50 0000 L CNN
F 1 "22u_6.3V" H 800 2800 50 0000 L CNN
F 2 "Capacitors_SMD:c_elec_4x4.5" H 1188 2750 30 0001 C CNN
F 3 "" H 1150 2900 60 0000 C CNN
F 4 "493-9779-1-ND" H 1150 2900 60 0001 C CNN "REF_DIGIKEY"
F 5 "UWJ0J220MCL1GB" H 1150 2900 60 0001 C CNN "manf#"
F 6 "C250865" H 1150 2900 50 0001 C CNN "LCSC#"
1 1150 2900
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR04
U 1 1 561DDDFF
P 1400 3200
F 0 "#PWR04" H 1400 2950 50 0001 C CNN
F 1 "GND" H 1400 3050 50 0001 C CNN
F 2 "" H 1400 3200 60 0000 C CNN
F 3 "" H 1400 3200 60 0000 C CNN
1 1400 3200
1 0 0 -1
$EndComp
$Comp
L power:+5V #PWR02
U 1 1 561DF187
P 1400 2600
F 0 "#PWR02" H 1400 2450 50 0001 C CNN
F 1 "+5V" H 1400 2740 50 0000 C CNN
F 2 "" H 1400 2600 60 0000 C CNN
F 3 "" H 1400 2600 60 0000 C CNN
1 1400 2600
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR01
U 1 1 561E4A8B
P 5450 1350
F 0 "#PWR01" H 5450 1100 50 0001 C CNN
F 1 "GND" H 5450 1200 50 0001 C CNN
F 2 "" H 5450 1350 60 0000 C CNN
F 3 "" H 5450 1350 60 0000 C CNN
1 5450 1350
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR03
U 1 1 561E5F8F
P 5450 2750
F 0 "#PWR03" H 5450 2500 50 0001 C CNN
F 1 "GND" H 5450 2600 50 0001 C CNN
F 2 "" H 5450 2750 60 0000 C CNN
F 3 "" H 5450 2750 60 0000 C CNN
1 5450 2750
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR05
U 1 1 561E6B00
P 5450 4150
F 0 "#PWR05" H 5450 3900 50 0001 C CNN
F 1 "GND" H 5450 4000 50 0001 C CNN
F 2 "" H 5450 4150 60 0000 C CNN
F 3 "" H 5450 4150 60 0000 C CNN
1 5450 4150
1 0 0 -1
$EndComp
Text Label 4250 1650 2 60 ~ 0
#C_W
Text Label 5250 1650 0 60 ~ 0
#W
Text Label 6100 5650 2 60 ~ 0
#W
$Comp
L Device:R R11
U 1 1 5620771C
P 1350 5400
F 0 "R11" H 1280 5354 50 0000 R CNN
F 1 "100k" V 1350 5500 50 0000 R CNN
F 2 "Resistors_SMD:R_0805" V 1280 5400 30 0001 C CNN
F 3 "" H 1350 5400 30 0000 C CNN
F 4 "RMCF0805JT100K" H 1350 5400 60 0001 C CNN "manf#"
F 5 "C237121" H 1350 5400 50 0001 C CNN "LCSC#"
1 1350 5400
-1 0 0 1
$EndComp
$Comp
L Device:R R15
U 1 1 56207A0F
P 1500 5150
F 0 "R15" V 1600 5150 50 0000 C CNN
F 1 "47k" V 1500 5150 50 0000 C CNN
F 2 "Resistors_SMD:R_0805" V 1430 5150 30 0001 C CNN
F 3 "" H 1500 5150 30 0000 C CNN
F 4 "RMCF0805JT47K0" V 1500 5150 60 0001 C CNN "manf#"
F 5 "C144558" V 1500 5150 50 0001 C CNN "LCSC#"
1 1500 5150
0 -1 -1 0
$EndComp
$Comp
L power:GND #PWR06
U 1 1 56212D5A
P 1350 5550
F 0 "#PWR06" H 1350 5300 50 0001 C CNN
F 1 "GND" H 1350 5400 50 0001 C CNN
F 2 "" H 1350 5550 60 0000 C CNN
F 3 "" H 1350 5550 60 0000 C CNN
1 1350 5550
1 0 0 -1
$EndComp
Text Label 5300 8350 0 60 ~ 0
#RST
Text Label 5500 8550 2 60 ~ 0
#C_AS
Entry Wire Line
5650 6750 5750 6650
Entry Wire Line
5650 6850 5750 6750
Entry Wire Line
5650 6950 5750 6850
Entry Wire Line
5650 7050 5750 6950
Entry Wire Line
5650 7150 5750 7050
Entry Wire Line
5650 7250 5750 7150
Entry Wire Line
5650 7350 5750 7250
Entry Wire Line
5650 7450 5750 7350
Entry Wire Line
5650 7650 5750 7550
Entry Wire Line
5650 7750 5750 7650
Entry Wire Line
5650 7850 5750 7750
Entry Wire Line
5650 8150 5750 8050
Text Label 6100 6650 2 60 ~ 0
D0
Text Label 6100 6750 2 60 ~ 0
D1
Text Label 6100 6850 2 60 ~ 0
D2
Text Label 6100 6950 2 60 ~ 0
D3
Text Label 6100 7050 2 60 ~ 0
D4
Text Label 6100 7150 2 60 ~ 0
D5
Text Label 6100 7250 2 60 ~ 0
D6
Text Label 6100 7350 2 60 ~ 0
D7
Text Label 6100 7550 2 60 ~ 0
A1
Text Label 6100 7650 2 60 ~ 0
A2
Text Label 6100 7750 2 60 ~ 0
A3
Text Label 6100 8050 2 60 ~ 0
#W
Text Label 3250 7050 0 60 ~ 0
#C_TIME
Text Notes 4750 9250 0 60 ~ 0
UART inputs are 5V tolerant (but data lines aren't).\n
Text Notes 800 10350 0 60 ~ 0
3.3V linear regulator,\nIlimit,min = 1 A
$Comp
L Device:C C9
U 1 1 5625E0C9
P 1700 9700
F 0 "C9" H 1725 9800 50 0000 L CNN
F 1 "100n" H 1725 9600 50 0000 L CNN
F 2 "Capacitors_SMD:C_0805" H 1738 9550 30 0001 C CNN
F 3 "" H 1700 9700 60 0000 C CNN
F 4 "CL21F104ZBCNNNC" H 1700 9700 60 0001 C CNN "manf#"
F 5 "C2830722" H 1700 9700 50 0001 C CNN "LCSC#"
1 1700 9700
1 0 0 -1
$EndComp
$Comp
L Device:C C10
U 1 1 5625E8FF
P 2000 9700
F 0 "C10" H 2025 9800 50 0000 L CNN
F 1 "100n" H 2025 9600 50 0000 L CNN
F 2 "Capacitors_SMD:C_0805" H 2038 9550 30 0001 C CNN
F 3 "" H 2000 9700 60 0000 C CNN
F 4 "C2830722" H 2000 9700 50 0001 C CNN "LCSC#"
1 2000 9700
1 0 0 -1
$EndComp
$Comp
L Device:C C11
U 1 1 5625EA93
P 2300 9700
F 0 "C11" H 2325 9800 50 0000 L CNN
F 1 "100n" H 2325 9600 50 0000 L CNN
F 2 "Capacitors_SMD:C_0805" H 2338 9550 30 0001 C CNN
F 3 "" H 2300 9700 60 0000 C CNN
F 4 "C2830722" H 2300 9700 50 0001 C CNN "LCSC#"
1 2300 9700
1 0 0 -1
$EndComp
$Comp
L Device:C C12
U 1 1 5625EC22
P 2600 9700
F 0 "C12" H 2625 9800 50 0000 L CNN
F 1 "100n" H 2625 9600 50 0000 L CNN
F 2 "Capacitors_SMD:C_0805" H 2638 9550 30 0001 C CNN
F 3 "" H 2600 9700 60 0000 C CNN