EESchema Schematic File Version 4 EELAYER 30 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 2 3 Title "" Date "" Rev "" Comp "" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Comp L Memory_EEPROM:24LC256 U? U 1 1 5FE1F118 P 4000 2600 AR Path="/5FE1F118" Ref="U?" Part="1" AR Path="/5FE03785/5FE1F118" Ref="U1" Part="1" F 0 "U1" H 3900 2900 50 0000 C CNN F 1 "24LC256" H 4200 2850 50 0000 C CNN F 2 "Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm" H 4000 2600 50 0001 C CNN F 3 "http://ww1.microchip.com/downloads/en/devicedoc/21203m.pdf" H 4000 2600 50 0001 C CNN F 4 "C6482" H 4000 2600 50 0001 C CNN "LCSC" 1 4000 2600 1 0 0 -1 $EndComp $Comp L power:GND #PWR? U 1 1 5FE1F11E P 4000 2900 AR Path="/5FE1F11E" Ref="#PWR?" Part="1" AR Path="/5FE03785/5FE1F11E" Ref="#PWR0101" Part="1" F 0 "#PWR0101" H 4000 2650 50 0001 C CNN F 1 "GND" V 4000 2700 50 0000 C CNN F 2 "" H 4000 2900 50 0001 C CNN F 3 "" H 4000 2900 50 0001 C CNN 1 4000 2900 1 0 0 -1 $EndComp Text GLabel 4700 2500 2 50 BiDi ~ 0 PI_SDA Text GLabel 4700 2600 2 50 BiDi ~ 0 PI_SCL $Comp L Device:R_Small R? U 1 1 5FE1F127 P 2900 2400 AR Path="/5FE1F127" Ref="R?" Part="1" AR Path="/5FE03785/5FE1F127" Ref="R59" Part="1" F 0 "R59" V 3000 2350 50 0000 L CNN F 1 "10k" V 2950 2500 50 0000 L CNN F 2 "Resistor_SMD:R_0402_1005Metric" H 2900 2400 50 0001 C CNN F 3 "https://datasheet.lcsc.com/szlcsc/Uniroyal-Elec-0402WGF1002TCE_C25744.pdf" H 2900 2400 50 0001 C CNN F 4 "C25744" H 2900 2400 50 0001 C CNN "LCSC" 1 2900 2400 0 -1 -1 0 $EndComp $Comp L Device:R_Small R? U 1 1 5FE1F12E P 2900 3050 AR Path="/5FE1F12E" Ref="R?" Part="1" AR Path="/5FE03785/5FE1F12E" Ref="R60" Part="1" F 0 "R60" V 2950 3000 50 0000 L CNN F 1 "10k" V 2800 3000 50 0000 L CNN F 2 "Resistor_SMD:R_0402_1005Metric" H 2900 3050 50 0001 C CNN F 3 "https://datasheet.lcsc.com/szlcsc/Uniroyal-Elec-0402WGF1002TCE_C25744.pdf" H 2900 3050 50 0001 C CNN F 4 "C25744" H 2900 3050 50 0001 C CNN "LCSC" 1 2900 3050 0 -1 -1 0 $EndComp $Comp L Device:R_Small R? U 1 1 5FE1F135 P 2900 3700 AR Path="/5FE1F135" Ref="R?" Part="1" AR Path="/5FE03785/5FE1F135" Ref="R61" Part="1" F 0 "R61" V 2950 3650 50 0000 L CNN F 1 "10k" V 2800 3650 50 0000 L CNN F 2 "Resistor_SMD:R_0402_1005Metric" H 2900 3700 50 0001 C CNN F 3 "https://datasheet.lcsc.com/szlcsc/Uniroyal-Elec-0402WGF1002TCE_C25744.pdf" H 2900 3700 50 0001 C CNN F 4 "C25744" H 2900 3700 50 0001 C CNN "LCSC" 1 2900 3700 0 -1 -1 0 $EndComp $Comp L Device:R_Small R? U 1 1 5FE1F13C P 4600 3050 AR Path="/5FE1F13C" Ref="R?" Part="1" AR Path="/5FE03785/5FE1F13C" Ref="R62" Part="1" F 0 "R62" V 4500 3000 50 0000 L CNN F 1 "10k" V 4550 2850 50 0000 L CNN F 2 "Resistor_SMD:R_0402_1005Metric" H 4600 3050 50 0001 C CNN F 3 "https://datasheet.lcsc.com/szlcsc/Uniroyal-Elec-0402WGF1002TCE_C25744.pdf" H 4600 3050 50 0001 C CNN F 4 "C25744" H 4600 3050 50 0001 C CNN "LCSC" 1 4600 3050 0 -1 -1 0 $EndComp $Comp L power:+3V3 #PWR? U 1 1 5FE1F148 P 5300 2800 AR Path="/5FE1F148" Ref="#PWR?" Part="1" AR Path="/5FE03785/5FE1F148" Ref="#PWR0102" Part="1" F 0 "#PWR0102" H 5300 2650 50 0001 C CNN F 1 "+3V3" H 5150 2900 50 0000 C CNN F 2 "" H 5300 2800 50 0001 C CNN F 3 "" H 5300 2800 50 0001 C CNN 1 5300 2800 0 1 1 0 $EndComp $Comp L power:GND #PWR? U 1 1 5FE1F14E P 2400 3950 AR Path="/5FE1F14E" Ref="#PWR?" Part="1" AR Path="/5FE03785/5FE1F14E" Ref="#PWR0103" Part="1" F 0 "#PWR0103" H 2400 3700 50 0001 C CNN F 1 "GND" V 2400 3750 50 0000 C CNN F 2 "" H 2400 3950 50 0001 C CNN F 3 "" H 2400 3950 50 0001 C CNN 1 2400 3950 0 1 1 0 $EndComp $Comp L Jumper:Jumper_3_Bridged12 JP? U 1 1 5FE1F161 P 2400 2400 AR Path="/5FE1F161" Ref="JP?" Part="1" AR Path="/5FE03785/5FE1F161" Ref="JP1" Part="1" F 0 "JP1" V 2446 2467 50 0000 L CNN F 1 "Jumper_3_Bridged12" V 2355 2467 50 0000 L CNN F 2 "Jumper:SolderJumper-3_P1.3mm_Bridged2Bar12_Pad1.0x1.5mm" H 2400 2400 50 0001 C CNN F 3 "~" H 2400 2400 50 0001 C CNN 1 2400 2400 0 -1 -1 0 $EndComp $Comp L Jumper:Jumper_3_Bridged12 JP? U 1 1 5FE1F167 P 2400 3050 AR Path="/5FE1F167" Ref="JP?" Part="1" AR Path="/5FE03785/5FE1F167" Ref="JP2" Part="1" F 0 "JP2" V 2446 3117 50 0000 L CNN F 1 "Jumper_3_Bridged12" V 2355 3117 50 0000 L CNN F 2 "Jumper:SolderJumper-3_P1.3mm_Bridged2Bar12_Pad1.0x1.5mm" H 2400 3050 50 0001 C CNN F 3 "~" H 2400 3050 50 0001 C CNN 1 2400 3050 0 -1 -1 0 $EndComp $Comp L Jumper:Jumper_3_Bridged12 JP? U 1 1 5FE1F16D P 2400 3700 AR Path="/5FE1F16D" Ref="JP?" Part="1" AR Path="/5FE03785/5FE1F16D" Ref="JP3" Part="1" F 0 "JP3" V 2446 3767 50 0000 L CNN F 1 "Jumper_3_Bridged12" V 2355 3767 50 0000 L CNN F 2 "Jumper:SolderJumper-3_P1.3mm_Bridged2Bar12_Pad1.0x1.5mm" H 2400 3700 50 0001 C CNN F 3 "~" H 2400 3700 50 0001 C CNN 1 2400 3700 0 -1 -1 0 $EndComp $Comp L power:GND #PWR? U 1 1 5FE1F173 P 2400 3300 AR Path="/5FE1F173" Ref="#PWR?" Part="1" AR Path="/5FE03785/5FE1F173" Ref="#PWR0104" Part="1" F 0 "#PWR0104" H 2400 3050 50 0001 C CNN F 1 "GND" V 2400 3100 50 0000 C CNN F 2 "" H 2400 3300 50 0001 C CNN F 3 "" H 2400 3300 50 0001 C CNN 1 2400 3300 0 1 1 0 $EndComp $Comp L power:GND #PWR? U 1 1 5FE1F179 P 2400 2650 AR Path="/5FE1F179" Ref="#PWR?" Part="1" AR Path="/5FE03785/5FE1F179" Ref="#PWR0105" Part="1" F 0 "#PWR0105" H 2400 2400 50 0001 C CNN F 1 "GND" V 2400 2450 50 0000 C CNN F 2 "" H 2400 2650 50 0001 C CNN F 3 "" H 2400 2650 50 0001 C CNN 1 2400 2650 0 1 1 0 $EndComp $Comp L power:+3V3 #PWR? U 1 1 5FE385DA P 2400 3450 AR Path="/5FE385DA" Ref="#PWR?" Part="1" AR Path="/5FE03785/5FE385DA" Ref="#PWR0106" Part="1" F 0 "#PWR0106" H 2400 3300 50 0001 C CNN F 1 "+3V3" V 2400 3650 50 0000 C CNN F 2 "" H 2400 3450 50 0001 C CNN F 3 "" H 2400 3450 50 0001 C CNN 1 2400 3450 0 -1 -1 0 $EndComp $Comp L power:+3V3 #PWR? U 1 1 5FE385E0 P 2400 2800 AR Path="/5FE385E0" Ref="#PWR?" Part="1" AR Path="/5FE03785/5FE385E0" Ref="#PWR0107" Part="1" F 0 "#PWR0107" H 2400 2650 50 0001 C CNN F 1 "+3V3" V 2400 3000 50 0000 C CNN F 2 "" H 2400 2800 50 0001 C CNN F 3 "" H 2400 2800 50 0001 C CNN 1 2400 2800 0 -1 -1 0 $EndComp Wire Wire Line 4700 2600 4650 2600 Wire Wire Line 4400 2500 4500 2500 $Comp L power:GND #PWR? U 1 1 5FE7346C P 5300 3300 AR Path="/5FE7346C" Ref="#PWR?" Part="1" AR Path="/5FE03785/5FE7346C" Ref="#PWR0108" Part="1" F 0 "#PWR0108" H 5300 3050 50 0001 C CNN F 1 "GND" V 5300 3100 50 0000 C CNN F 2 "" H 5300 3300 50 0001 C CNN F 3 "" H 5300 3300 50 0001 C CNN 1 5300 3300 0 -1 -1 0 $EndComp $Comp L power:+3V3 #PWR? U 1 1 5FE73A17 P 4000 2300 AR Path="/5FE73A17" Ref="#PWR?" Part="1" AR Path="/5FE03785/5FE73A17" Ref="#PWR0109" Part="1" F 0 "#PWR0109" H 4000 2150 50 0001 C CNN F 1 "+3V3" H 3850 2400 50 0000 C CNN F 2 "" H 4000 2300 50 0001 C CNN F 3 "" H 4000 2300 50 0001 C CNN 1 4000 2300 1 0 0 -1 $EndComp $Comp L power:+3V3 #PWR? U 1 1 5FE78C02 P 2400 2150 AR Path="/5FE78C02" Ref="#PWR?" Part="1" AR Path="/5FE03785/5FE78C02" Ref="#PWR0110" Part="1" F 0 "#PWR0110" H 2400 2000 50 0001 C CNN F 1 "+3V3" V 2400 2350 50 0000 C CNN F 2 "" H 2400 2150 50 0001 C CNN F 3 "" H 2400 2150 50 0001 C CNN 1 2400 2150 0 -1 -1 0 $EndComp Wire Wire Line 2550 3700 2800 3700 Wire Wire Line 3000 3700 3600 3700 Wire Wire Line 3600 3700 3600 2700 Wire Wire Line 2550 3050 2800 3050 Wire Wire Line 3350 3050 3350 2600 Wire Wire Line 3350 2600 3600 2600 Wire Wire Line 3600 2500 3350 2500 Wire Wire Line 3350 2500 3350 2400 Wire Wire Line 3350 2400 3000 2400 Wire Wire Line 2800 2400 2550 2400 Wire Wire Line 3000 3050 3350 3050 Text Notes 4550 4000 2 50 ~ 0 HAT Serial EEPROM Wire Notes Line 6300 4150 1350 4150 Wire Notes Line 1350 4150 1350 1900 Wire Notes Line 1350 1900 6300 1900 Wire Notes Line 6300 1900 6300 4150 $Comp L Jumper:Jumper_3_Bridged12 JP? U 1 1 5FE882AF P 5300 3050 AR Path="/5FE882AF" Ref="JP?" Part="1" AR Path="/5FE03785/5FE882AF" Ref="JP4" Part="1" F 0 "JP4" V 5346 3117 50 0000 L CNN F 1 "Jumper_3_Bridged12" V 5255 3117 50 0000 L CNN F 2 "Jumper:SolderJumper-3_P1.3mm_Bridged2Bar12_Pad1.0x1.5mm" H 5300 3050 50 0001 C CNN F 3 "~" H 5300 3050 50 0001 C CNN 1 5300 3050 0 1 -1 0 $EndComp Wire Wire Line 4400 2700 4500 2700 Wire Wire Line 4700 3050 5150 3050 Wire Wire Line 4500 2700 4500 3050 $Comp L power:+3V3 #PWR? U 1 1 5FEEFA21 P 4650 2050 AR Path="/5FEEFA21" Ref="#PWR?" Part="1" AR Path="/5FE03785/5FEEFA21" Ref="#PWR053" Part="1" F 0 "#PWR053" H 4650 1900 50 0001 C CNN F 1 "+3V3" H 4500 2150 50 0000 C CNN F 2 "" H 4650 2050 50 0001 C CNN F 3 "" H 4650 2050 50 0001 C CNN 1 4650 2050 1 0 0 -1 $EndComp $Comp L Device:R_Small R? U 1 1 5FEF0453 P 4500 2250 AR Path="/5FEF0453" Ref="R?" Part="1" AR Path="/5FE03785/5FEF0453" Ref="R63" Part="1" F 0 "R63" V 4400 2200 50 0000 L CNN F 1 "4.7k" V 4300 2200 50 0000 L CNN F 2 "Resistor_SMD:R_0402_1005Metric" H 4500 2250 50 0001 C CNN F 3 "https://datasheet.lcsc.com/szlcsc/Uniroyal-Elec-0402WGF1002TCE_C25744.pdf" H 4500 2250 50 0001 C CNN F 4 "C25900" H 4500 2250 50 0001 C CNN "LCSC" 1 4500 2250 1 0 0 -1 $EndComp $Comp L Device:R_Small R? U 1 1 5FEF0C20 P 4650 2250 AR Path="/5FEF0C20" Ref="R?" Part="1" AR Path="/5FE03785/5FEF0C20" Ref="R64" Part="1" F 0 "R64" V 4750 2200 50 0000 L CNN F 1 "4.7k" V 4850 2200 50 0000 L CNN F 2 "Resistor_SMD:R_0402_1005Metric" H 4650 2250 50 0001 C CNN F 3 "https://datasheet.lcsc.com/szlcsc/Uniroyal-Elec-0402WGF1002TCE_C25744.pdf" H 4650 2250 50 0001 C CNN F 4 "C25900" H 4650 2250 50 0001 C CNN "LCSC" 1 4650 2250 1 0 0 -1 $EndComp Wire Wire Line 4650 2050 4500 2050 Wire Wire Line 4500 2050 4500 2150 Wire Wire Line 4650 2050 4650 2150 Connection ~ 4650 2050 Wire Wire Line 4650 2350 4650 2600 Connection ~ 4650 2600 Wire Wire Line 4650 2600 4400 2600 Wire Wire Line 4500 2350 4500 2500 Connection ~ 4500 2500 Wire Wire Line 4500 2500 4700 2500 $EndSCHEMATC