Browse Source

Replace some gpio for making the board ABC host compatible

Per Mårtensson 3 years ago
parent
commit
34c7929d53
5 changed files with 308 additions and 308 deletions
  1. 15 13
      abc80bus.sch
  2. 212 229
      max80.kicad_pcb
  3. 79 64
      max80.sch
  4. 1 1
      rtc.sch
  5. 1 1
      usb.sch

+ 15 - 13
abc80bus.sch

@@ -563,7 +563,7 @@ F 0 "Q3" H 6900 5150 50  0000 L CNN
 F 1 "AO3400A" H 6650 4850 50  0000 L CNN
 F 1 "AO3400A" H 6650 4850 50  0000 L CNN
 F 2 "Package_TO_SOT_SMD:SOT-23" H 7250 4925 50  0001 L CIN
 F 2 "Package_TO_SOT_SMD:SOT-23" H 7250 4925 50  0001 L CIN
 F 3 "http://www.aosmd.com/pdfs/datasheet/AO3400A.pdf" H 7050 5000 50  0001 L CNN
 F 3 "http://www.aosmd.com/pdfs/datasheet/AO3400A.pdf" H 7050 5000 50  0001 L CNN
-F 4 "C20917" H 7050 5000 50  0001 C CNN "LCSC"
+F 4 "NM" H 7050 5000 50  0001 C CNN "LCSC"
 	1    7050 5000
 	1    7050 5000
 	1    0    0    -1  
 	1    0    0    -1  
 $EndComp
 $EndComp
@@ -588,7 +588,7 @@ F 0 "Q2" H 6900 6100 50  0000 L CNN
 F 1 "AO3400A" H 6700 5750 50  0000 L CNN
 F 1 "AO3400A" H 6700 5750 50  0000 L CNN
 F 2 "Package_TO_SOT_SMD:SOT-23" H 7250 5825 50  0001 L CIN
 F 2 "Package_TO_SOT_SMD:SOT-23" H 7250 5825 50  0001 L CIN
 F 3 "http://www.aosmd.com/pdfs/datasheet/AO3400A.pdf" H 7050 5900 50  0001 L CNN
 F 3 "http://www.aosmd.com/pdfs/datasheet/AO3400A.pdf" H 7050 5900 50  0001 L CNN
-F 4 "C20917" H 7050 5900 50  0001 C CNN "LCSC"
+F 4 "NM" H 7050 5900 50  0001 C CNN "LCSC"
 	1    7050 5900
 	1    7050 5900
 	1    0    0    -1  
 	1    0    0    -1  
 $EndComp
 $EndComp
@@ -642,7 +642,7 @@ F 0 "Q4" H 6900 4200 50  0000 L CNN
 F 1 "AO3400A" H 6700 3900 50  0000 L CNN
 F 1 "AO3400A" H 6700 3900 50  0000 L CNN
 F 2 "Package_TO_SOT_SMD:SOT-23" H 7250 3975 50  0001 L CIN
 F 2 "Package_TO_SOT_SMD:SOT-23" H 7250 3975 50  0001 L CIN
 F 3 "http://www.aosmd.com/pdfs/datasheet/AO3400A.pdf" H 7050 4050 50  0001 L CNN
 F 3 "http://www.aosmd.com/pdfs/datasheet/AO3400A.pdf" H 7050 4050 50  0001 L CNN
-F 4 "C20917" H 7050 4050 50  0001 C CNN "LCSC"
+F 4 "NM" H 7050 4050 50  0001 C CNN "LCSC"
 	1    7050 4050
 	1    7050 4050
 	1    0    0    -1  
 	1    0    0    -1  
 $EndComp
 $EndComp
@@ -812,7 +812,7 @@ Text GLabel 4300 4000 0    39   Input ~ 0
 ~C3_ABC_3V3
 ~C3_ABC_3V3
 Text GLabel 4400 6750 0    39   Input ~ 0
 Text GLabel 4400 6750 0    39   Input ~ 0
 ~C4_ABC_3V3
 ~C4_ABC_3V3
-Text GLabel 4400 6550 0    39   Input ~ 0
+Text GLabel 4350 6550 0    39   Input ~ 0
 ~INP_ABC_3V3
 ~INP_ABC_3V3
 Text GLabel 4400 6350 0    39   Input ~ 0
 Text GLabel 4400 6350 0    39   Input ~ 0
 ~STATUS_ABC_3V3
 ~STATUS_ABC_3V3
@@ -1347,7 +1347,7 @@ F 0 "Q5" H 6900 2200 50  0000 L CNN
 F 1 "AO3400A" H 6700 1900 50  0000 L CNN
 F 1 "AO3400A" H 6700 1900 50  0000 L CNN
 F 2 "Package_TO_SOT_SMD:SOT-23" H 7250 1975 50  0001 L CIN
 F 2 "Package_TO_SOT_SMD:SOT-23" H 7250 1975 50  0001 L CIN
 F 3 "http://www.aosmd.com/pdfs/datasheet/AO3400A.pdf" H 7050 2050 50  0001 L CNN
 F 3 "http://www.aosmd.com/pdfs/datasheet/AO3400A.pdf" H 7050 2050 50  0001 L CNN
-F 4 "C20917" H 7050 2050 50  0001 C CNN "LCSC"
+F 4 "NM" H 7050 2050 50  0001 C CNN "LCSC"
 	1    7050 2050
 	1    7050 2050
 	1    0    0    -1  
 	1    0    0    -1  
 $EndComp
 $EndComp
@@ -1395,7 +1395,7 @@ F 0 "Q1" H 6900 3200 50  0000 L CNN
 F 1 "AO3400A" H 6700 2900 50  0000 L CNN
 F 1 "AO3400A" H 6700 2900 50  0000 L CNN
 F 2 "Package_TO_SOT_SMD:SOT-23" H 7250 2975 50  0001 L CIN
 F 2 "Package_TO_SOT_SMD:SOT-23" H 7250 2975 50  0001 L CIN
 F 3 "http://www.aosmd.com/pdfs/datasheet/AO3400A.pdf" H 7050 3050 50  0001 L CNN
 F 3 "http://www.aosmd.com/pdfs/datasheet/AO3400A.pdf" H 7050 3050 50  0001 L CNN
-F 4 "C20917" H 7050 3050 50  0001 C CNN "LCSC"
+F 4 "NM" H 7050 3050 50  0001 C CNN "LCSC"
 	1    7050 3050
 	1    7050 3050
 	1    0    0    -1  
 	1    0    0    -1  
 $EndComp
 $EndComp
@@ -1415,7 +1415,7 @@ F 0 "Q6" H 6900 1300 50  0000 L CNN
 F 1 "AO3400A" H 6700 1000 50  0000 L CNN
 F 1 "AO3400A" H 6700 1000 50  0000 L CNN
 F 2 "Package_TO_SOT_SMD:SOT-23" H 7250 1075 50  0001 L CIN
 F 2 "Package_TO_SOT_SMD:SOT-23" H 7250 1075 50  0001 L CIN
 F 3 "http://www.aosmd.com/pdfs/datasheet/AO3400A.pdf" H 7050 1150 50  0001 L CNN
 F 3 "http://www.aosmd.com/pdfs/datasheet/AO3400A.pdf" H 7050 1150 50  0001 L CNN
-F 4 "C20917" H 7050 1150 50  0001 C CNN "LCSC"
+F 4 "NM" H 7050 1150 50  0001 C CNN "LCSC"
 	1    7050 1150
 	1    7050 1150
 	1    0    0    -1  
 	1    0    0    -1  
 $EndComp
 $EndComp
@@ -1536,7 +1536,7 @@ L Device:R_Small R26
 U 1 1 60B354D0
 U 1 1 60B354D0
 P 6950 5600
 P 6950 5600
 F 0 "R26" V 6754 5600 50  0000 C CNN
 F 0 "R26" V 6754 5600 50  0000 C CNN
-F 1 "0" V 6845 5600 50  0000 C CNN
+F 1 "100" V 6845 5600 50  0000 C CNN
 F 2 "Resistor_SMD:R_0805_2012Metric" H 6950 5600 50  0001 C CNN
 F 2 "Resistor_SMD:R_0805_2012Metric" H 6950 5600 50  0001 C CNN
 F 3 "~" H 6950 5600 50  0001 C CNN
 F 3 "~" H 6950 5600 50  0001 C CNN
 F 4 "NM" V 6950 5600 50  0001 C CNN "LCSC"
 F 4 "NM" V 6950 5600 50  0001 C CNN "LCSC"
@@ -1548,7 +1548,7 @@ L Device:R_Small R27
 U 1 1 60B36F20
 U 1 1 60B36F20
 P 6950 4700
 P 6950 4700
 F 0 "R27" V 6754 4700 50  0000 C CNN
 F 0 "R27" V 6754 4700 50  0000 C CNN
-F 1 "0" V 6845 4700 50  0000 C CNN
+F 1 "100" V 6845 4700 50  0000 C CNN
 F 2 "Resistor_SMD:R_0805_2012Metric" H 6950 4700 50  0001 C CNN
 F 2 "Resistor_SMD:R_0805_2012Metric" H 6950 4700 50  0001 C CNN
 F 3 "~" H 6950 4700 50  0001 C CNN
 F 3 "~" H 6950 4700 50  0001 C CNN
 F 4 "NM" V 6950 4700 50  0001 C CNN "LCSC"
 F 4 "NM" V 6950 4700 50  0001 C CNN "LCSC"
@@ -1560,7 +1560,7 @@ L Device:R_Small R28
 U 1 1 60B37C47
 U 1 1 60B37C47
 P 6950 3750
 P 6950 3750
 F 0 "R28" V 6754 3750 50  0000 C CNN
 F 0 "R28" V 6754 3750 50  0000 C CNN
-F 1 "0" V 6845 3750 50  0000 C CNN
+F 1 "100" V 6845 3750 50  0000 C CNN
 F 2 "Resistor_SMD:R_0805_2012Metric" H 6950 3750 50  0001 C CNN
 F 2 "Resistor_SMD:R_0805_2012Metric" H 6950 3750 50  0001 C CNN
 F 3 "~" H 6950 3750 50  0001 C CNN
 F 3 "~" H 6950 3750 50  0001 C CNN
 F 4 "NM" V 6950 3750 50  0001 C CNN "LCSC"
 F 4 "NM" V 6950 3750 50  0001 C CNN "LCSC"
@@ -1572,7 +1572,7 @@ L Device:R_Small R43
 U 1 1 60B38966
 U 1 1 60B38966
 P 6950 2800
 P 6950 2800
 F 0 "R43" V 6754 2800 50  0000 C CNN
 F 0 "R43" V 6754 2800 50  0000 C CNN
-F 1 "0" V 6845 2800 50  0000 C CNN
+F 1 "100" V 6845 2800 50  0000 C CNN
 F 2 "Resistor_SMD:R_0805_2012Metric" H 6950 2800 50  0001 C CNN
 F 2 "Resistor_SMD:R_0805_2012Metric" H 6950 2800 50  0001 C CNN
 F 3 "~" H 6950 2800 50  0001 C CNN
 F 3 "~" H 6950 2800 50  0001 C CNN
 F 4 "NM" V 6950 2800 50  0001 C CNN "LCSC"
 F 4 "NM" V 6950 2800 50  0001 C CNN "LCSC"
@@ -1584,7 +1584,7 @@ L Device:R_Small R45
 U 1 1 60B3A85D
 U 1 1 60B3A85D
 P 6950 1800
 P 6950 1800
 F 0 "R45" V 6850 1700 50  0000 C CNN
 F 0 "R45" V 6850 1700 50  0000 C CNN
-F 1 "0" V 6850 1900 50  0000 C CNN
+F 1 "100" V 6850 1900 50  0000 C CNN
 F 2 "Resistor_SMD:R_0805_2012Metric" H 6950 1800 50  0001 C CNN
 F 2 "Resistor_SMD:R_0805_2012Metric" H 6950 1800 50  0001 C CNN
 F 3 "~" H 6950 1800 50  0001 C CNN
 F 3 "~" H 6950 1800 50  0001 C CNN
 F 4 "NM" V 6950 1800 50  0001 C CNN "LCSC"
 F 4 "NM" V 6950 1800 50  0001 C CNN "LCSC"
@@ -1596,7 +1596,7 @@ L Device:R_Small R44
 U 1 1 60B3CF12
 U 1 1 60B3CF12
 P 6950 900
 P 6950 900
 F 0 "R44" V 6754 900 50  0000 C CNN
 F 0 "R44" V 6754 900 50  0000 C CNN
-F 1 "0" V 6845 900 50  0000 C CNN
+F 1 "100" V 6845 900 50  0000 C CNN
 F 2 "Resistor_SMD:R_0805_2012Metric" H 6950 900 50  0001 C CNN
 F 2 "Resistor_SMD:R_0805_2012Metric" H 6950 900 50  0001 C CNN
 F 3 "~" H 6950 900 50  0001 C CNN
 F 3 "~" H 6950 900 50  0001 C CNN
 F 4 "NM" V 6950 900 50  0001 C CNN "LCSC"
 F 4 "NM" V 6950 900 50  0001 C CNN "LCSC"
@@ -1856,6 +1856,8 @@ F 3 "" H 9000 2500 50  0001 C CNN
 $EndComp
 $EndComp
 Wire Wire Line
 Wire Wire Line
 	9000 2400 9000 2500
 	9000 2400 9000 2500
+Wire Wire Line
+	4350 6550 4400 6550
 Wire Wire Line
 Wire Wire Line
 	700  2850 1150 2850
 	700  2850 1150 2850
 Wire Bus Line
 Wire Bus Line

File diff suppressed because it is too large
+ 212 - 229
max80.kicad_pcb


+ 79 - 64
max80.sch

@@ -40,16 +40,6 @@ F0 "POWER" 50
 F1 "power.sch" 50
 F1 "power.sch" 50
 $EndSheet
 $EndSheet
 $Sheet
 $Sheet
-S 4650 10050 800  650 
-U 601569F0
-F0 "USB" 50
-F1 "usb.sch" 50
-F2 "FPGA_USB_RX_DP" I L 4650 10150 50 
-F3 "FPGA_USB_RX_DN" I L 4650 10250 50 
-F4 "FPGA_USB_TX_DP" I L 4650 10350 50 
-F5 "FPGA_USB_TX_DN" I L 4650 10450 50 
-$EndSheet
-$Sheet
 S 2200 10050 700  650 
 S 2200 10050 700  650 
 U 602159BB
 U 602159BB
 F0 "ESP32" 50
 F0 "ESP32" 50
@@ -583,7 +573,7 @@ Wire Wire Line
 	11250 10250 11250 10350
 	11250 10250 11250 10350
 Text Label 4150 8450 2    39   ~ 0
 Text Label 4150 8450 2    39   ~ 0
 FPGA_LED2
 FPGA_LED2
-Text Label 4150 7950 2    39   ~ 0
+Text Label 4150 8350 2    39   ~ 0
 FPGA_LED3
 FPGA_LED3
 Text GLabel 4150 7550 0    39   Input ~ 0
 Text GLabel 4150 7550 0    39   Input ~ 0
 FPGA_GPIO1
 FPGA_GPIO1
@@ -932,8 +922,6 @@ Text Label 6450 3750 2    39   ~ 0
 FPGA_USB_TX_DN
 FPGA_USB_TX_DN
 Text Label 6450 3850 2    39   ~ 0
 Text Label 6450 3850 2    39   ~ 0
 FPGA_USB_TX_DP
 FPGA_USB_TX_DP
-Text Label 4150 8350 2    39   ~ 0
-FREEIO_6
 NoConn ~ 14250 5150
 NoConn ~ 14250 5150
 Wire Wire Line
 Wire Wire Line
 	10500 9950 10500 10050
 	10500 9950 10500 10050
@@ -1295,7 +1283,7 @@ F 4 "C97521" H 12950 7350 50  0001 C CNN "LCSC"
 	1    12950 7350
 	1    12950 7350
 	1    0    0    -1  
 	1    0    0    -1  
 $EndComp
 $EndComp
-Text Label 8950 8200 0    39   ~ 0
+Text Label 5850 3650 0    39   ~ 0
 AD2
 AD2
 Text GLabel 1600 6800 0    39   Input ~ 0
 Text GLabel 1600 6800 0    39   Input ~ 0
 ~C1_ABC_3V3
 ~C1_ABC_3V3
@@ -1321,20 +1309,16 @@ Wire Wire Line
 	750  7500 1650 7500
 	750  7500 1650 7500
 Text GLabel 1600 7400 0    39   Input ~ 0
 Text GLabel 1600 7400 0    39   Input ~ 0
 ~INP_ABC_3V3
 ~INP_ABC_3V3
-Wire Wire Line
-	1650 6700 750  6700
 Entry Wire Line
 Entry Wire Line
 	650  7400 750  7500
 	650  7400 750  7500
 Text Label 750  7500 0    50   ~ 0
 Text Label 750  7500 0    50   ~ 0
 AD12
 AD12
-Text GLabel 1600 6600 0    39   Input ~ 0
+Text GLabel 4150 6350 0    39   Input ~ 0
 ~STATUS_ABC_3V3
 ~STATUS_ABC_3V3
-Text Label 750  6700 0    50   ~ 0
+Text Label 3500 7950 0    39   ~ 0
 AD13
 AD13
 Wire Wire Line
 Wire Wire Line
 	750  7800 1650 7800
 	750  7800 1650 7800
-Entry Wire Line
-	650  6600 750  6700
 Text Label 750  7700 0    50   ~ 0
 Text Label 750  7700 0    50   ~ 0
 AD14
 AD14
 Text Label 750  7800 0    50   ~ 0
 Text Label 750  7800 0    50   ~ 0
@@ -1411,8 +1395,6 @@ Text Label 9000 7550 0    50   ~ 0
 WE#
 WE#
 Text Label 9000 6850 0    50   ~ 0
 Text Label 9000 6850 0    50   ~ 0
 DQML
 DQML
-Text Label 9000 6450 0    50   ~ 0
-A0
 Text Label 9000 6350 0    50   ~ 0
 Text Label 9000 6350 0    50   ~ 0
 A2
 A2
 Text Label 9000 8050 0    39   ~ 0
 Text Label 9000 8050 0    39   ~ 0
@@ -1464,8 +1446,6 @@ Wire Wire Line
 	6300 2950 6550 2950
 	6300 2950 6550 2950
 Wire Wire Line
 Wire Wire Line
 	5850 2550 6050 2550
 	5850 2550 6050 2550
-Wire Wire Line
-	6450 3650 6550 3650
 Wire Wire Line
 Wire Wire Line
 	6450 3450 6550 3450
 	6450 3450 6550 3450
 Wire Wire Line
 Wire Wire Line
@@ -1490,8 +1470,6 @@ Text GLabel 1600 6400 0    39   Input ~ 0
 ~RST_ABC_3V3
 ~RST_ABC_3V3
 Wire Wire Line
 Wire Wire Line
 	1600 6400 1650 6400
 	1600 6400 1650 6400
-Wire Wire Line
-	1600 6600 1650 6600
 Wire Wire Line
 Wire Wire Line
 	1600 6800 1650 6800
 	1600 6800 1650 6800
 Text GLabel 1600 6500 0    39   Input ~ 0
 Text GLabel 1600 6500 0    39   Input ~ 0
@@ -1526,7 +1504,7 @@ Entry Wire Line
 	650  2800 750  2900
 	650  2800 750  2900
 Text Label 750  3500 0    50   ~ 0
 Text Label 750  3500 0    50   ~ 0
 AD7
 AD7
-Text Label 750  2500 0    50   ~ 0
+Text Label 3500 8150 0    39   ~ 0
 AD6
 AD6
 Text Label 750  2900 0    50   ~ 0
 Text Label 750  2900 0    50   ~ 0
 AD5
 AD5
@@ -1854,7 +1832,6 @@ Wire Wire Line
 	3350 4250 4200 4250
 	3350 4250 4200 4250
 NoConn ~ 4200 5950
 NoConn ~ 4200 5950
 NoConn ~ 4200 6150
 NoConn ~ 4200 6150
-NoConn ~ 4200 6350
 NoConn ~ 4200 7350
 NoConn ~ 4200 7350
 NoConn ~ 6550 6300
 NoConn ~ 6550 6300
 NoConn ~ 6550 6400
 NoConn ~ 6550 6400
@@ -1921,8 +1898,6 @@ Wire Wire Line
 	15200 7350 15300 7350
 	15200 7350 15300 7350
 Text GLabel 6500 7400 0    39   Input ~ 0
 Text GLabel 6500 7400 0    39   Input ~ 0
 HDMI_D0-
 HDMI_D0-
-Text Label 3800 6850 0    39   ~ 0
-FREE_IO3
 Text GLabel 1650 2600 0    39   Input ~ 0
 Text GLabel 1650 2600 0    39   Input ~ 0
 XM_ABC_3V3
 XM_ABC_3V3
 Entry Wire Line
 Entry Wire Line
@@ -2053,8 +2028,6 @@ Wire Wire Line
 	4150 6750 4200 6750
 	4150 6750 4200 6750
 Wire Wire Line
 Wire Wire Line
 	4150 8450 4200 8450
 	4150 8450 4200 8450
-Wire Wire Line
-	4150 7950 4200 7950
 Wire Wire Line
 Wire Wire Line
 	4150 6250 4200 6250
 	4150 6250 4200 6250
 NoConn ~ 6550 7000
 NoConn ~ 6550 7000
@@ -2064,8 +2037,6 @@ Wire Wire Line
 	4100 7450 4200 7450
 	4100 7450 4200 7450
 Wire Wire Line
 Wire Wire Line
 	4150 6050 4200 6050
 	4150 6050 4200 6050
-Wire Wire Line
-	4150 8150 4200 8150
 NoConn ~ 4200 5850
 NoConn ~ 4200 5850
 Wire Wire Line
 Wire Wire Line
 	4100 7850 4200 7850
 	4100 7850 4200 7850
@@ -2137,18 +2108,14 @@ Wire Wire Line
 $Comp
 $Comp
 L power:+3V3 #PWR0239
 L power:+3V3 #PWR0239
 U 1 1 614CC048
 U 1 1 614CC048
-P 3600 6350
-F 0 "#PWR0239" H 3600 6200 50  0001 C CNN
-F 1 "+3V3" H 3615 6523 50  0000 C CNN
-F 2 "" H 3600 6350 50  0001 C CNN
-F 3 "" H 3600 6350 50  0001 C CNN
-	1    3600 6350
+P 3550 6350
+F 0 "#PWR0239" H 3550 6200 50  0001 C CNN
+F 1 "+3V3" H 3565 6523 50  0000 C CNN
+F 2 "" H 3550 6350 50  0001 C CNN
+F 3 "" H 3550 6350 50  0001 C CNN
+	1    3550 6350
 	1    0    0    -1  
 	1    0    0    -1  
 $EndComp
 $EndComp
-Wire Wire Line
-	3600 6350 3600 6450
-Wire Wire Line
-	3600 6450 4200 6450
 Wire Wire Line
 Wire Wire Line
 	9350 3950 9400 3950
 	9350 3950 9400 3950
 Wire Wire Line
 Wire Wire Line
@@ -2184,10 +2151,6 @@ Entry Wire Line
 	8700 3450 8800 3550
 	8700 3450 8800 3550
 Wire Wire Line
 Wire Wire Line
 	8800 1950 9400 1950
 	8800 1950 9400 1950
-Text GLabel 8500 1750 1    50   Input ~ 0
-AD[0..15]
-Wire Wire Line
-	8800 2250 9400 2250
 Wire Wire Line
 Wire Wire Line
 	8800 2450 9400 2450
 	8800 2450 9400 2450
 Wire Wire Line
 Wire Wire Line
@@ -2228,8 +2191,6 @@ Entry Wire Line
 	8700 2350 8800 2450
 	8700 2350 8800 2450
 Entry Wire Line
 Entry Wire Line
 	8500 2250 8600 2350
 	8500 2250 8600 2350
-Entry Wire Line
-	8700 2150 8800 2250
 Entry Wire Line
 Entry Wire Line
 	8500 2050 8600 2150
 	8500 2050 8600 2150
 Entry Wire Line
 Entry Wire Line
@@ -2268,10 +2229,8 @@ Text Label 8800 2450 0    39   ~ 0
 A7
 A7
 Text Label 9350 4250 2    39   ~ 0
 Text Label 9350 4250 2    39   ~ 0
 CLK
 CLK
-Text Label 8800 2350 0    39   ~ 0
+Text Label 3500 6850 0    39   ~ 0
 AD1
 AD1
-Text Label 8800 2150 0    39   ~ 0
-AD0
 $Comp
 $Comp
 L max80:EP4CE15F17C8N U13
 L max80:EP4CE15F17C8N U13
 U 8 1 60554149
 U 8 1 60554149
@@ -2295,8 +2254,6 @@ Wire Wire Line
 	11250 9950 11250 10050
 	11250 9950 11250 10050
 Wire Wire Line
 Wire Wire Line
 	5850 2950 6300 2950
 	5850 2950 6300 2950
-Wire Wire Line
-	3800 6850 4200 6850
 NoConn ~ 1650 7000
 NoConn ~ 1650 7000
 Wire Wire Line
 Wire Wire Line
 	12400 7100 12400 7450
 	12400 7100 12400 7450
@@ -2471,13 +2428,11 @@ F 3 "" H 13300 9200 50  0001 C CNN
 $EndComp
 $EndComp
 Wire Wire Line
 Wire Wire Line
 	13800 9200 13950 9200
 	13800 9200 13950 9200
-Text Label 6500 7300 2    50   ~ 0
+Text Label 6500 7300 2    39   ~ 0
 ~SD_DETECT
 ~SD_DETECT
 NoConn ~ 6550 7200
 NoConn ~ 6550 7200
 Wire Wire Line
 Wire Wire Line
 	6500 7300 6550 7300
 	6500 7300 6550 7300
-Text Label 8800 2250 0    39   ~ 0
-FREEIO2
 $Comp
 $Comp
 L power:+3V3 #PWR0126
 L power:+3V3 #PWR0126
 U 1 1 61A7370B
 U 1 1 61A7370B
@@ -2493,10 +2448,8 @@ Wire Wire Line
 	15400 4500 15500 4500
 	15400 4500 15500 4500
 NoConn ~ 13950 9100
 NoConn ~ 13950 9100
 NoConn ~ 13950 8400
 NoConn ~ 13950 8400
-Text Label 4150 8150 2    39   ~ 0
-FREEIO4
-Text Label 6450 3650 2    39   ~ 0
-FREEIO5
+Text Label 1050 2500 2    39   ~ 0
+FREEI4
 Text Label 6450 4050 2    39   ~ 0
 Text Label 6450 4050 2    39   ~ 0
 FPGA_USB_RX_DN
 FPGA_USB_RX_DN
 Text Label 6450 4150 2    39   ~ 0
 Text Label 6450 4150 2    39   ~ 0
@@ -2520,12 +2473,72 @@ Wire Wire Line
 	4600 10350 4650 10350
 	4600 10350 4650 10350
 Wire Wire Line
 Wire Wire Line
 	4600 10450 4650 10450
 	4600 10450 4650 10450
-Wire Bus Line
-	8500 1750 8500 2250
 Wire Wire Line
 Wire Wire Line
 	8600 2150 9400 2150
 	8600 2150 9400 2150
+Text Label 8800 2250 0    39   ~ 0
+AD0
+Text Label 9000 6450 0    50   ~ 0
+A0
+Text Label 8800 2150 0    39   ~ 0
+FREEI2
+Entry Wire Line
+	8500 2150 8600 2250
+$Sheet
+S 4650 10050 550  650 
+U 601569F0
+F0 "USB" 50
+F1 "usb.sch" 50
+F2 "FPGA_USB_RX_DP" I L 4650 10150 50 
+F3 "FPGA_USB_RX_DN" I L 4650 10250 50 
+F4 "FPGA_USB_TX_DP" I L 4650 10350 50 
+F5 "FPGA_USB_TX_DN" I L 4650 10450 50 
+$EndSheet
+Wire Wire Line
+	8600 2250 9400 2250
+Text GLabel 3400 5550 1    50   Input ~ 0
+AD[0..15]
+Entry Wire Line
+	3400 6750 3500 6850
+Wire Wire Line
+	3500 6850 4200 6850
+Text Label 8800 2350 0    39   ~ 0
+FREEI3
+Text GLabel 8500 1750 1    50   Input ~ 0
+AD[0..15]
+Text GLabel 5700 1850 1    50   Input ~ 0
+AD[0..15]
+Entry Wire Line
+	5700 3550 5800 3650
+Wire Wire Line
+	5800 3650 6550 3650
+Entry Wire Line
+	3400 8050 3500 8150
+Wire Wire Line
+	3500 8150 4200 8150
+Entry Wire Line
+	3400 7850 3500 7950
+Wire Wire Line
+	3500 7950 4200 7950
+Wire Wire Line
+	4150 6350 4200 6350
+Text Label 900  6700 0    50   ~ 0
+FREEI8
+Text Label 900  6600 0    50   ~ 0
+FREEI9
+Wire Wire Line
+	900  6700 1650 6700
+Wire Wire Line
+	900  6600 1650 6600
+Wire Wire Line
+	3550 6350 3550 6450
+Wire Bus Line
+	5700 1850 5700 3650
 Wire Wire Line
 Wire Wire Line
 	8600 2350 9400 2350
 	8600 2350 9400 2350
+Wire Bus Line
+	8500 1750 8500 2250
+Wire Bus Line
+	3400 5550 3400 8150
 Wire Bus Line
 Wire Bus Line
 	3250 1500 3250 4300
 	3250 1500 3250 4300
 Wire Bus Line
 Wire Bus Line
@@ -2538,4 +2551,6 @@ Wire Bus Line
 	15650 1800 15650 4600
 	15650 1800 15650 4600
 Wire Bus Line
 Wire Bus Line
 	13750 1800 13750 4600
 	13750 1800 13750 4600
+Wire Wire Line
+	3550 6450 4200 6450
 $EndSCHEMATC
 $EndSCHEMATC

+ 1 - 1
rtc.sch

@@ -3,7 +3,7 @@ EELAYER 30 0
 EELAYER END
 EELAYER END
 $Descr A4 11693 8268
 $Descr A4 11693 8268
 encoding utf-8
 encoding utf-8
-Sheet 6 9
+Sheet 5 9
 Title "MAX80"
 Title "MAX80"
 Date "2021-02-22"
 Date "2021-02-22"
 Rev "0.01"
 Rev "0.01"

+ 1 - 1
usb.sch

@@ -3,7 +3,7 @@ EELAYER 30 0
 EELAYER END
 EELAYER END
 $Descr A4 11693 8268
 $Descr A4 11693 8268
 encoding utf-8
 encoding utf-8
-Sheet 4 9
+Sheet 9 9
 Title "MAX80"
 Title "MAX80"
 Date "2021-02-22"
 Date "2021-02-22"
 Rev "0.01"
 Rev "0.01"

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