EESchema Schematic File Version 4 EELAYER 26 0 EELAYER END $Descr B 17000 11000 encoding utf-8 Sheet 14 27 Title "rev02_12" Date "15 10 2016" Rev "" Comp "" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr Text Notes 12700 5600 0 42 ~ 12 CS pull-up to disable MKM by\ndefault (allows programming\nof AVR) Text Notes 11400 3800 0 84 ~ 12 Master Key Memory Text Notes 3400 2700 0 84 ~ 12 SPI mux controlling access to the MKM.\nNormally, the FPGA has R/W access to the MKM but on a\ntamper event the tamper detect MCU (AVR) will grab access\nto the MKM and erase the contents. Text Notes 7800 6100 0 42 ~ 12 Make AVR unable to read the\nMKM by installing this jumper Text Notes 3900 5900 0 42 ~ 12 AVR access default\ndisabled through pull-up Text Notes 3800 7000 0 42 ~ 12 FPGA access default\nenabled through pull-down Text Notes 13630 10230 0 84 ~ 12 Master Key Memory Text Notes 11890 4940 0 60 ~ 12 U12 Text Notes 11760 6540 0 60 ~ 12 23K640-I_SN Text Notes 7500 6200 1 60 ~ 12 JP6 Text Notes 7770 6200 1 60 ~ 12 JP1Q Text Notes 5120 4720 0 60 ~ 12 R80 Text Notes 5270 7070 2 60 ~ 12 R81 Text Notes 5500 5080 0 60 ~ 12 IC4 Text Notes 5500 5900 0 60 ~ 12 74*244DW $Comp L power:GND GND_87 U 1 1 58023F8C P 11300 6500 F 0 "GND_87" H 11300 6500 20 0000 C CNN F 1 "+GND" H 11300 6430 30 0000 C CNN F 2 "" H 11300 6500 70 0000 C CNN F 3 "" H 11300 6500 70 0000 C CNN 1 11300 6500 1 0 0 -1 $EndComp $Comp L Cryptech_Alpha:3V3_BATT 3V3_BATT_8 U 1 1 58023F8B P 11300 4200 F 0 "3V3_BATT_8" H 11300 4200 20 0000 C CNN F 1 "+3V3_BATT" H 11300 4130 30 0000 C CNN F 2 "" H 11300 4200 70 0000 C CNN F 3 "" H 11300 4200 70 0000 C CNN 1 11300 4200 1 0 0 -1 $EndComp $Comp L Cryptech_Alpha:3V3_BATT 3V3_BATT_9 U 1 1 58023F8A P 3300 4100 F 0 "3V3_BATT_9" H 3300 4100 20 0000 C CNN F 1 "+3V3_BATT" H 3300 4030 30 0000 C CNN F 2 "" H 3300 4100 70 0000 C CNN F 3 "" H 3300 4100 70 0000 C CNN 1 3300 4100 1 0 0 -1 $EndComp $Comp L Cryptech_Alpha:3V3_BATT 3V3_BATT_10 U 1 1 58023F89 P 10800 4200 F 0 "3V3_BATT_10" H 10800 4200 20 0000 C CNN F 1 "+3V3_BATT" H 10800 4130 30 0000 C CNN F 2 "" H 10800 4200 70 0000 C CNN F 3 "" H 10800 4200 70 0000 C CNN 1 10800 4200 1 0 0 -1 $EndComp $Comp L power:GND GND_88 U 1 1 58023F88 P 11500 4700 F 0 "GND_88" H 11500 4700 20 0000 C CNN F 1 "+GND" H 11500 4630 30 0000 C CNN F 2 "" H 11500 4700 70 0000 C CNN F 3 "" H 11500 4700 70 0000 C CNN 1 11500 4700 1 0 0 -1 $EndComp $Comp L power:GND GND_89 U 1 1 58023F87 P 7600 6400 F 0 "GND_89" H 7600 6400 20 0000 C CNN F 1 "+GND" H 7600 6330 30 0000 C CNN F 2 "" H 7600 6400 70 0000 C CNN F 3 "" H 7600 6400 70 0000 C CNN 1 7600 6400 1 0 0 -1 $EndComp $Comp L power:GND GND_90 U 1 1 58023F86 P 3300 5200 F 0 "GND_90" H 3300 5200 20 0000 C CNN F 1 "+GND" H 3300 5130 30 0000 C CNN F 2 "" H 3300 5200 70 0000 C CNN F 3 "" H 3300 5200 70 0000 C CNN 1 3300 5200 1 0 0 -1 $EndComp $Comp L power:GND GND_91 U 1 1 58023F85 P 5000 7500 F 0 "GND_91" H 5000 7500 20 0000 C CNN F 1 "+GND" H 5000 7430 30 0000 C CNN F 2 "" H 5000 7500 70 0000 C CNN F 3 "" H 5000 7500 70 0000 C CNN 1 5000 7500 1 0 0 -1 $EndComp $Comp L Cryptech_Alpha:3V3_BATT 3V3_BATT_11 U 1 1 58023F84 P 5000 4100 F 0 "3V3_BATT_11" H 5000 4100 20 0000 C CNN F 1 "+3V3_BATT" H 5000 4030 30 0000 C CNN F 2 "" H 5000 4100 70 0000 C CNN F 3 "" H 5000 4100 70 0000 C CNN 1 5000 4100 1 0 0 -1 $EndComp $Comp L Cryptech_Alpha:3V3_BATT 3V3_BATT_12 U 1 1 58023F83 P 10100 4220 F 0 "3V3_BATT_12" H 10100 4220 20 0000 C CNN F 1 "+3V3_BATT" H 10100 4150 30 0000 C CNN F 2 "" H 10100 4220 70 0000 C CNN F 3 "" H 10100 4220 70 0000 C CNN 1 10100 4220 1 0 0 -1 $EndComp Wire Wire Line 11300 6100 11300 6500 Wire Wire Line 11400 6100 11300 6100 Wire Wire Line 11500 4600 11500 4700 Wire Wire Line 7600 6300 7600 6400 Wire Wire Line 3300 5100 3300 5200 Wire Wire Line 3300 5000 3300 5100 Wire Wire Line 2900 4900 2900 5100 Wire Wire Line 3300 5100 2900 5100 Wire Wire Line 5000 7400 5000 7500 Wire Wire Line 11400 5700 10800 5700 Wire Wire Line 10800 5000 10800 5700 Wire Wire Line 11400 5600 10100 5600 Text Label 10100 5600 0 48 ~ MKM_SCK Wire Wire Line 6500 5300 6300 5300 Wire Wire Line 6500 5300 6500 6400 Wire Wire Line 6500 6400 6300 6400 Wire Wire Line 7000 5300 6500 5300 Text Label 7000 5300 0 48 ~ MKM_SCK Wire Wire Line 11400 5500 10100 5500 Text Label 10100 5500 0 48 ~ MKM_MOSI Wire Wire Line 6600 6500 6300 6500 Wire Wire Line 6600 5400 6600 6500 Wire Wire Line 6600 5400 6300 5400 Wire Wire Line 7000 5400 6600 5400 Text Label 7000 5400 0 48 ~ MKM_MOSI Wire Wire Line 11400 5400 10500 5400 Text Label 10140 5400 0 48 ~ MKM_CS_N Wire Wire Line 6400 6300 6300 6300 Wire Wire Line 6400 5200 6400 6300 Wire Wire Line 6400 5200 6300 5200 Wire Wire Line 7000 5200 6400 5200 Text Label 7000 5200 0 48 ~ MKM_CS_N Wire Wire Line 13150 5200 12800 5200 Text Label 13150 5200 2 48 ~ 0 MKM_MISO Wire Wire Line 5300 6600 5200 6600 Wire Wire Line 5200 5500 5200 6600 Wire Wire Line 5300 5500 5200 5500 Wire Wire Line 5200 5500 4800 5500 Text Label 4800 5500 0 48 ~ MKM_MISO Wire Wire Line 11400 5200 11300 5200 Wire Wire Line 11300 4300 11300 5200 Wire Wire Line 11300 4200 11300 4300 Wire Wire Line 11500 4300 11300 4300 Wire Wire Line 3300 4100 3300 4300 Wire Wire Line 3300 4300 2900 4300 Wire Wire Line 2900 4300 2900 4600 Wire Wire Line 3300 4300 3300 4400 Wire Wire Line 10800 4200 10800 4600 Wire Wire Line 5000 4100 5000 4600 Wire Wire Line 10100 4220 10100 4620 Wire Wire Line 5000 5700 4550 5700 Wire Wire Line 5300 5700 5000 5700 Wire Wire Line 5000 5000 5000 5700 Text GLabel 4550 5700 0 48 Input ~ 0 MKM_CONTROL_AVR_ENA Wire Wire Line 5300 5300 4800 5300 Text GLabel 4800 5300 0 48 Input ~ 0 MKM_AVR_SCK Wire Wire Line 5300 6300 4610 6300 Text GLabel 4610 6300 0 48 Input ~ 0 MKM_FPGA_CS_N Wire Wire Line 5300 5200 4800 5200 Text GLabel 4800 5200 0 48 Input ~ 0 MKM_AVR_CS_N Wire Wire Line 5300 6500 4610 6500 Text GLabel 4610 6500 0 48 Input ~ 0 MKM_FPGA_MOSI Wire Wire Line 5300 5400 4800 5400 Text GLabel 4800 5400 0 48 Input ~ 0 MKM_AVR_MOSI Wire Wire Line 6500 6600 6300 6600 Text GLabel 6500 6600 2 48 Output ~ 0 MKM_FPGA_MISO Wire Wire Line 7600 5500 6300 5500 Wire Wire Line 7800 5500 7600 5500 Wire Wire Line 7600 5500 7600 5700 Text GLabel 7800 5500 2 48 Output ~ 0 MKM_AVR_MISO Wire Wire Line 5300 6400 4610 6400 Text GLabel 4610 6400 0 48 Input ~ 0 MKM_FPGA_SCK Wire Wire Line 5300 6800 5000 6800 Wire Wire Line 5000 6800 5000 7000 Wire Wire Line 5000 6800 4480 6800 Text GLabel 4480 6800 0 48 Input ~ 0 MKM_CONTROL_FPGA_DIS Wire Wire Line 10100 5400 10100 5020 Wire Wire Line 10500 5400 10100 5400 $Comp L Cryptech_Alpha:23K640-I_SN U12 U 1 1 58023F82 P 12100 5600 F 0 "U12" H 11570 4670 60 0000 L BNN 1 12100 5600 1 0 0 -1 F 2 "Cryptech_Alpha_Footprints:SOIC127P600X175-8N" H 11570 4670 60 0001 C CNN $EndComp $Comp L Cryptech_Alpha:74*244DW_2 IC4_2 U 1 1 58023F81 P 5800 6500 F 0 "IC4_2" H 5470 5970 60 0000 L BNN F 1 "MC74AC244DW*" H 5510 6920 60 0000 L BNN F 2 "Cryptech_Alpha_Footprints:SO20W" H 5510 6920 60 0001 C CNN F 3 "" H 5510 6920 60 0000 C CNN 1 5800 6500 1 0 0 -1 $EndComp $Comp L Cryptech_Alpha:74*244DW_3 IC4_3 U 1 1 58023F80 P 3300 4700 F 0 "IC4_3" H 3330 4550 60 0000 L BNN F 1 "MC74AC244DW*" H 3480 4680 60 0000 L BNN F 2 "Cryptech_Alpha_Footprints:SO20W" H 3480 4680 60 0001 C CNN F 3 "" H 3480 4680 60 0000 C CNN 1 3300 4700 1 0 0 -1 $EndComp $Comp L Cryptech_Alpha:R-EU_R0402 R33 U 1 1 58023F7F P 10800 4800 F 0 "R33" V 10741 4550 60 0000 L BNN F 1 "4.7k" V 10830 4540 60 0000 L BNN F 2 "Cryptech_Alpha_Footprints:R_0402" H 10830 4540 60 0001 C CNN F 3 "" H 10830 4540 60 0000 C CNN 1 10800 4800 0 1 1 0 $EndComp $Comp L Cryptech_Alpha:R-EU_R0402 R34 U 1 1 58023F7E P 10100 4820 F 0 "R34" V 10171 5167 60 0000 R TNN F 1 "4.7k" V 10080 5180 60 0000 R TNN F 2 "Cryptech_Alpha_Footprints:R_0402" H 10080 5180 60 0001 C CNN F 3 "" H 10080 5180 60 0000 C CNN 1 10100 4820 0 -1 -1 0 $EndComp $Comp L Cryptech_Alpha:C-EUC0402 C106 U 1 1 58023F7D P 2900 4700 F 0 "C106" H 2500 4600 60 0000 L BNN F 1 "0.1uF" H 2490 4500 60 0000 L BNN F 2 "Cryptech_Alpha_Footprints:C_0402" H 2490 4500 60 0001 C CNN F 3 "" H 2490 4500 60 0000 C CNN 1 2900 4700 1 0 0 -1 $EndComp $Comp L Cryptech_Alpha:C-EUC0402 C107 U 1 1 58023F7C P 11500 4400 F 0 "C107" H 11600 4500 60 0000 L BNN F 1 "0.1uF" H 11600 4400 60 0000 L BNN F 2 "Cryptech_Alpha_Footprints:C_0402" H 11600 4400 60 0001 C CNN F 3 "" H 11600 4400 60 0000 C CNN 1 11500 4400 1 0 0 -1 $EndComp $Comp L Cryptech_Alpha:JP1Q JP6 U 1 1 58023F7B P 7600 6000 F 0 "JP6" H 7705 6030 60 0000 L BNN 1 7600 6000 1 0 0 -1 F 2 "Cryptech_Alpha_Footprints:PLS-2" H 7705 6030 60 0001 C CNN $EndComp $Comp L Cryptech_Alpha:R-EU_R0402 R80 U 1 1 58023F7A P 5000 4800 F 0 "R80" V 4910 4755 60 0000 R TNN F 1 "4.7k" V 4990 4690 60 0000 R TNN F 2 "Cryptech_Alpha_Footprints:R_0402" H 4990 4690 60 0001 C CNN F 3 "" H 4990 4690 60 0000 C CNN 1 5000 4800 0 -1 -1 0 $EndComp $Comp L Cryptech_Alpha:R-EU_R0402 R81 U 1 1 58023F79 P 5000 7200 F 0 "R81" V 5090 7245 60 0000 L BNN F 1 "4.7k" V 5060 7310 60 0000 L BNN F 2 "Cryptech_Alpha_Footprints:R_0402" H 5060 7310 60 0001 C CNN F 3 "" H 5060 7310 60 0000 C CNN 1 5000 7200 0 1 1 0 $EndComp $Comp L Cryptech_Alpha:74*244DW_1 IC4 U 1 1 58023F78 P 5800 5400 F 0 "IC4" H 5470 4870 60 0000 L BNN F 1 "MC74AC244DW*" H 5500 5820 60 0000 L BNN F 2 "Cryptech_Alpha_Footprints:SO20W" H 5500 5820 60 0001 C CNN F 3 "" H 5500 5820 60 0000 C CNN 1 5800 5400 1 0 0 -1 $EndComp NoConn ~ 11400 5900 $EndSCHEMATC