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- EESchema Schematic File Version 4
- EELAYER 30 0
- EELAYER END
- $Descr A4 11693 8268
- encoding utf-8
- Sheet 2 13
- Title "Democratic Sendcomm"
- Date "2021-01-16"
- Rev "0.9.4"
- Comp "Europalab Devices"
- Comment1 "Copyright © 2021, Europalab Devices"
- Comment2 "Fulfilling requirements of 20200210"
- Comment3 "Pending quality assurance testing"
- Comment4 "Release revision for manufacturing"
- $EndDescr
- $Comp
- L Elabdev:ATECC608B U?
- U 1 1 601DBF43
- P 7050 3850
- AR Path="/5F53D5B5/601DBF43" Ref="U?" Part="1"
- AR Path="/601C3EDE/601DBF43" Ref="U8" Part="1"
- F 0 "U8" H 6800 4300 50 0000 R CNN
- F 1 "ATECC608B" H 7600 4300 50 0000 R CNN
- F 2 "Package_DFN_QFN:DFN-8-1EP_3x2mm_P0.5mm_EP1.3x1.5mm" H 7050 4550 50 0001 C CNN
- F 3 "https://www.microchip.com/wwwproducts/ATECC608B/" H 6507 3759 50 0001 R CNN
- 1 7050 3850
- -1 0 0 -1
- $EndComp
- Wire Wire Line
- 5850 4350 6350 4350
- Wire Wire Line
- 6350 4350 6350 4050
- Wire Wire Line
- 6350 4050 6550 4050
- $Comp
- L power:GND #PWR?
- U 1 1 601DBF4C
- P 7050 4550
- AR Path="/5F53D5B5/601DBF4C" Ref="#PWR?" Part="1"
- AR Path="/601C3EDE/601DBF4C" Ref="#PWR035" Part="1"
- F 0 "#PWR035" H 7050 4300 50 0001 C CNN
- F 1 "GND" H 7055 4377 50 0000 C CNN
- F 2 "" H 7050 4550 50 0001 C CNN
- F 3 "" H 7050 4550 50 0001 C CNN
- 1 7050 4550
- 1 0 0 -1
- $EndComp
- $Comp
- L power:+3V3 #PWR?
- U 1 1 601DBF52
- P 7050 2950
- AR Path="/5F53D5B5/601DBF52" Ref="#PWR?" Part="1"
- AR Path="/601C3EDE/601DBF52" Ref="#PWR032" Part="1"
- F 0 "#PWR032" H 7050 2800 50 0001 C CNN
- F 1 "+3V3" H 7065 3123 50 0000 C CNN
- F 2 "" H 7050 2950 50 0001 C CNN
- F 3 "" H 7050 2950 50 0001 C CNN
- 1 7050 2950
- 1 0 0 -1
- $EndComp
- Wire Wire Line
- 7050 3350 7050 3150
- Connection ~ 7050 3150
- Wire Wire Line
- 7050 3150 7050 2950
- Wire Wire Line
- 7050 4350 7050 4400
- Connection ~ 7050 4400
- Wire Wire Line
- 7050 4400 7050 4550
- $Comp
- L Device:R R?
- U 1 1 601DBF61
- P 6350 3850
- AR Path="/5F53D5B5/601DBF61" Ref="R?" Part="1"
- AR Path="/601C3EDE/601DBF61" Ref="R15" Part="1"
- F 0 "R15" H 6420 3896 50 0000 L CNN
- F 1 "10K" H 6420 3805 50 0000 L CNN
- F 2 "Resistor_SMD:R_0805_2012Metric" V 6280 3850 50 0001 C CNN
- F 3 "~" H 6350 3850 50 0001 C CNN
- 1 6350 3850
- 1 0 0 -1
- $EndComp
- $Comp
- L Device:R R?
- U 1 1 601DBF67
- P 5950 3400
- AR Path="/5F53D5B5/601DBF67" Ref="R?" Part="1"
- AR Path="/601C3EDE/601DBF67" Ref="R14" Part="1"
- F 0 "R14" H 6020 3446 50 0000 L CNN
- F 1 "10K" H 6020 3355 50 0000 L CNN
- F 2 "Resistor_SMD:R_0805_2012Metric" V 5880 3400 50 0001 C CNN
- F 3 "~" H 5950 3400 50 0001 C CNN
- 1 5950 3400
- 1 0 0 -1
- $EndComp
- Wire Wire Line
- 6350 3150 7050 3150
- Wire Wire Line
- 5950 3150 6350 3150
- Connection ~ 6350 3150
- Wire Wire Line
- 6350 3700 6350 3150
- Wire Wire Line
- 5950 3250 5950 3150
- Wire Wire Line
- 5850 3650 5950 3650
- Wire Wire Line
- 5950 3550 5950 3650
- Connection ~ 5950 3650
- Wire Wire Line
- 5950 3650 6550 3650
- Wire Wire Line
- 6350 4000 6350 4050
- Connection ~ 6350 4050
- Text Notes 7100 2350 0 100 ~ 0
- AUTH
- Text HLabel 5850 3650 0 50 Input ~ 0
- I2C_SCL
- Text HLabel 5850 4350 0 50 BiDi ~ 0
- I2C_SDA
- $Comp
- L Memory_EEPROM:CAT24C256 U7
- U 1 1 5F68A355
- P 3250 3650
- F 0 "U7" H 3000 3900 50 0000 C CNN
- F 1 "CAT24C32" H 3450 3900 50 0000 C CNN
- F 2 "Package_SO:SOIC-8_3.9x4.9mm_P1.27mm" H 3250 3650 50 0001 C CNN
- F 3 "https://www.onsemi.com/pub/Collateral/CAT24C32-D.PDF" H 3250 3650 50 0001 C CNN
- 1 3250 3650
- 1 0 0 -1
- $EndComp
- $Comp
- L power:GND #PWR?
- U 1 1 5F68A89B
- P 3250 4200
- AR Path="/5F53D5B5/5F68A89B" Ref="#PWR?" Part="1"
- AR Path="/601C3EDE/5F68A89B" Ref="#PWR034" Part="1"
- F 0 "#PWR034" H 3250 3950 50 0001 C CNN
- F 1 "GND" H 3255 4027 50 0000 C CNN
- F 2 "" H 3250 4200 50 0001 C CNN
- F 3 "" H 3250 4200 50 0001 C CNN
- 1 3250 4200
- 1 0 0 -1
- $EndComp
- Wire Wire Line
- 3250 3950 3250 4050
- Wire Wire Line
- 2850 3750 2850 4050
- Wire Wire Line
- 2850 4050 3250 4050
- Connection ~ 3250 4050
- Wire Wire Line
- 3250 4050 3250 4150
- Wire Wire Line
- 2850 3650 2750 3650
- Wire Wire Line
- 2750 3650 2750 4050
- Wire Wire Line
- 2750 4050 2850 4050
- Connection ~ 2850 4050
- Wire Wire Line
- 2850 3550 2650 3550
- Wire Wire Line
- 2650 3550 2650 4050
- Wire Wire Line
- 2650 4050 2750 4050
- Connection ~ 2750 4050
- $Comp
- L power:+3V3 #PWR033
- U 1 1 5F68BE70
- P 3250 3150
- F 0 "#PWR033" H 3250 3000 50 0001 C CNN
- F 1 "+3V3" H 3265 3323 50 0000 C CNN
- F 2 "" H 3250 3150 50 0001 C CNN
- F 3 "" H 3250 3150 50 0001 C CNN
- 1 3250 3150
- 1 0 0 -1
- $EndComp
- Wire Wire Line
- 3250 3350 3250 3250
- Connection ~ 2650 3550
- Wire Wire Line
- 2650 3250 3250 3250
- Connection ~ 3250 3250
- Wire Wire Line
- 3250 3250 3250 3150
- $Comp
- L Device:C C41
- U 1 1 5F68CC64
- P 2650 3400
- F 0 "C41" H 2300 3450 50 0000 L CNN
- F 1 "0,1uF" H 2300 3350 50 0000 L CNN
- F 2 "Capacitor_SMD:C_0805_2012Metric" H 2688 3250 50 0001 C CNN
- F 3 "~" H 2650 3400 50 0001 C CNN
- 1 2650 3400
- 1 0 0 -1
- $EndComp
- $Comp
- L Device:R R11
- U 1 1 5F6983A1
- P 3750 3400
- F 0 "R11" H 3820 3446 50 0000 L CNN
- F 1 "10K" H 3820 3355 50 0000 L CNN
- F 2 "Resistor_SMD:R_0805_2012Metric" V 3680 3400 50 0001 C CNN
- F 3 "~" H 3750 3400 50 0001 C CNN
- 1 3750 3400
- 1 0 0 -1
- $EndComp
- $Comp
- L Device:R R12
- U 1 1 5F698FB0
- P 4250 3400
- F 0 "R12" H 4320 3446 50 0000 L CNN
- F 1 "10K" H 4320 3355 50 0000 L CNN
- F 2 "Resistor_SMD:R_0805_2012Metric" V 4180 3400 50 0001 C CNN
- F 3 "~" H 4250 3400 50 0001 C CNN
- 1 4250 3400
- 1 0 0 -1
- $EndComp
- $Comp
- L Device:R R13
- U 1 1 5F6990E6
- P 4750 3400
- F 0 "R13" H 4820 3446 50 0000 L CNN
- F 1 "1K" H 4820 3355 50 0000 L CNN
- F 2 "Resistor_SMD:R_0805_2012Metric" V 4680 3400 50 0001 C CNN
- F 3 "~" H 4750 3400 50 0001 C CNN
- 1 4750 3400
- 1 0 0 -1
- $EndComp
- Wire Wire Line
- 3250 3250 3750 3250
- Connection ~ 3750 3250
- Wire Wire Line
- 3750 3250 4250 3250
- Connection ~ 4250 3250
- Wire Wire Line
- 4250 3250 4750 3250
- Wire Wire Line
- 3650 3550 3750 3550
- Wire Wire Line
- 3650 3650 4250 3650
- Wire Wire Line
- 4250 3650 4250 3550
- Wire Wire Line
- 3650 3750 3750 3750
- Wire Wire Line
- 4750 3750 4750 3550
- $Comp
- L Connector:Conn_01x02_Male J7
- U 1 1 5F69B305
- P 3950 3950
- F 0 "J7" H 3922 3924 50 0000 R CNN
- F 1 "Conn_01x02_Male" H 3922 3833 50 0000 R CNN
- F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 3950 3950 50 0001 C CNN
- F 3 "~" H 3950 3950 50 0001 C CNN
- 1 3950 3950
- -1 0 0 -1
- $EndComp
- Wire Wire Line
- 3750 3950 3750 3750
- Connection ~ 3750 3750
- Wire Wire Line
- 3750 3750 4750 3750
- Wire Wire Line
- 3750 4050 3250 4050
- Wire Wire Line
- 3850 3550 3750 3550
- Connection ~ 3750 3550
- Wire Wire Line
- 4250 3650 4350 3650
- Connection ~ 4250 3650
- Text Notes 2950 2400 0 100 ~ 0
- HAT-ID
- Text HLabel 3850 3550 2 50 BiDi ~ 0
- ID_SD
- Text HLabel 4350 3650 2 50 Input ~ 0
- ID_SC
- $Comp
- L Memory_EEPROM:CAT24C256 U6
- U 1 1 5F70A85A
- P 1750 3650
- F 0 "U6" H 2000 3900 50 0000 C CNN
- F 1 "CAT24C32" H 1550 3900 50 0000 C CNN
- F 2 "Package_DFN_QFN:DFN-8-1EP_3x2mm_P0.5mm_EP1.3x1.5mm" H 1750 3650 50 0001 C CNN
- F 3 "https://www.onsemi.com/pub/Collateral/CAT24C32-D.PDF" H 1750 3650 50 0001 C CNN
- 1 1750 3650
- -1 0 0 -1
- $EndComp
- Wire Wire Line
- 2150 3550 2650 3550
- Wire Wire Line
- 2150 3650 2750 3650
- Connection ~ 2750 3650
- Wire Wire Line
- 2150 3750 2850 3750
- Connection ~ 2850 3750
- Wire Wire Line
- 1750 3350 1750 3250
- Wire Wire Line
- 1750 3250 2650 3250
- Connection ~ 2650 3250
- Wire Wire Line
- 1750 3950 1750 4150
- Wire Wire Line
- 1750 4150 3250 4150
- Connection ~ 3250 4150
- Wire Wire Line
- 3250 4150 3250 4200
- Wire Wire Line
- 1350 3750 1250 3750
- Wire Wire Line
- 1250 3750 1250 4450
- Wire Wire Line
- 1250 4450 4750 4450
- Wire Wire Line
- 4750 4450 4750 3750
- Connection ~ 4750 3750
- Text HLabel 1350 3550 0 50 BiDi ~ 0
- ID_SD
- Text HLabel 1350 3650 0 50 Input ~ 0
- ID_SC
- Text Notes 1450 3950 0 50 ~ 0
- DNP
- $Comp
- L Elabdev:ATECC608B U?
- U 1 1 5F74CA64
- P 8650 3850
- AR Path="/5F53D5B5/5F74CA64" Ref="U?" Part="1"
- AR Path="/601C3EDE/5F74CA64" Ref="U9" Part="1"
- F 0 "U9" H 8400 4300 50 0000 R CNN
- F 1 "ATECC608B" H 9200 4300 50 0000 R CNN
- F 2 "Package_SO:SOIC-8_3.9x4.9mm_P1.27mm" H 8650 4550 50 0001 C CNN
- F 3 "https://www.microchip.com/wwwproducts/ATECC608B/" H 8107 3759 50 0001 R CNN
- 1 8650 3850
- -1 0 0 -1
- $EndComp
- Text HLabel 8150 3650 0 50 Input ~ 0
- I2C_SCL
- Text HLabel 8150 4050 0 50 BiDi ~ 0
- I2C_SDA
- Wire Wire Line
- 8650 4350 8650 4400
- Wire Wire Line
- 8650 3350 8650 3150
- Wire Wire Line
- 7050 3150 7600 3150
- Wire Wire Line
- 7050 4400 7600 4400
- $Comp
- L Device:C C42
- U 1 1 5F78EE57
- P 7600 3850
- F 0 "C42" H 7715 3896 50 0000 L CNN
- F 1 "0,1uF" H 7715 3805 50 0000 L CNN
- F 2 "Capacitor_SMD:C_0805_2012Metric" H 7638 3700 50 0001 C CNN
- F 3 "~" H 7600 3850 50 0001 C CNN
- 1 7600 3850
- 1 0 0 -1
- $EndComp
- Wire Wire Line
- 7600 3700 7600 3150
- Connection ~ 7600 3150
- Wire Wire Line
- 7600 3150 8650 3150
- Wire Wire Line
- 7600 4000 7600 4400
- Connection ~ 7600 4400
- Wire Wire Line
- 7600 4400 8650 4400
- $Comp
- L Connector_Generic:Conn_01x04 J?
- U 1 1 604ADA51
- P 10400 3950
- AR Path="/60040981/604ADA51" Ref="J?" Part="1"
- AR Path="/601C3EDE/604ADA51" Ref="J21" Part="1"
- F 0 "J21" H 10318 3525 50 0000 C CNN
- F 1 "Conn_01x04" H 10318 3616 50 0000 C CNN
- F 2 "Connector_JST:JST_SH_SM04B-SRSS-TB_1x04-1MP_P1.00mm_Horizontal" H 10400 3950 50 0001 C CNN
- F 3 "~" H 10400 3950 50 0001 C CNN
- 1 10400 3950
- 1 0 0 1
- $EndComp
- Wire Wire Line
- 10200 4050 10100 4050
- Text HLabel 10200 3750 0 50 Input ~ 0
- I2C_SCL
- Text HLabel 10200 3850 0 50 BiDi ~ 0
- I2C_SDA
- $Comp
- L power:GND #PWR?
- U 1 1 6053E88B
- P 10100 4050
- AR Path="/5F53D5B5/6053E88B" Ref="#PWR?" Part="1"
- AR Path="/601C3EDE/6053E88B" Ref="#PWR?" Part="1"
- F 0 "#PWR?" H 10100 3800 50 0001 C CNN
- F 1 "GND" H 10105 3877 50 0000 C CNN
- F 2 "" H 10100 4050 50 0001 C CNN
- F 3 "" H 10100 4050 50 0001 C CNN
- 1 10100 4050
- 1 0 0 -1
- $EndComp
- Wire Wire Line
- 10200 3950 9800 3950
- Wire Wire Line
- 9800 3950 9800 3650
- $Comp
- L power:+3V3 #PWR?
- U 1 1 605411C5
- P 9800 3650
- AR Path="/5F53D5B5/605411C5" Ref="#PWR?" Part="1"
- AR Path="/601C3EDE/605411C5" Ref="#PWR?" Part="1"
- F 0 "#PWR?" H 9800 3500 50 0001 C CNN
- F 1 "+3V3" H 9815 3823 50 0000 C CNN
- F 2 "" H 9800 3650 50 0001 C CNN
- F 3 "" H 9800 3650 50 0001 C CNN
- 1 9800 3650
- 1 0 0 -1
- $EndComp
- Text Notes 9950 3350 0 100 ~ 0
- QWIIC
- $EndSCHEMATC
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