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hardware: schematic: rewire fpga as necessary for routing

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FPGAs are great, because if there's an alternate method that's easier to
route -- go for it!  This modifies some of the connections to ease
routing constraints.

Signed-off-by: Sean Cross <sean@xobs.io>
This commit is contained in:
Sean Cross 2018-11-07 21:20:05 +08:00
parent cdcbe4dece
commit d2b73fbc5e
1 changed files with 38 additions and 45 deletions
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83
hardware/pcb/tomu-fpga.sch
View File

@ -421,7 +421,7 @@ F 6 "ANY" H 650 200 50 0001 C CNN "Manufacturer"
$EndComp $EndComp
Text Label 9250 2400 0 50 ~ 0 Text Label 9250 2400 0 50 ~ 0
PU_CTRL_USBP PU_CTRL_USBP
Text Label 5550 2050 0 50 ~ 0 Text Label 5400 2400 0 50 ~ 0
OSC_IN OSC_IN
Wire Wire Line Wire Wire Line
1050 6950 1000 6950 1050 6950 1000 6950
@ -497,7 +497,7 @@ F 7 "PCB-etched captouch pads" H -200 -1000 50 0001 C CNN "Description"
0 -1 -1 0 0 -1 -1 0
$EndComp $EndComp
Wire Wire Line Wire Wire Line
5850 2250 5400 2250 5850 2050 5250 2050
$Comp $Comp
L power:GND #PWR041 L power:GND #PWR041
U 1 1 5BE564F6 U 1 1 5BE564F6
@ -1191,10 +1191,6 @@ Wire Wire Line
Wire Wire Line Wire Wire Line
4450 2750 4450 2600 4450 2750 4450 2600
Connection ~ 4450 2600 Connection ~ 4450 2600
Wire Wire Line
5150 2400 5250 2400
Wire Wire Line
5250 2050 5850 2050
$Comp $Comp
L Device:C_Small C11 L Device:C_Small C11
U 1 1 5C1F1DFB U 1 1 5C1F1DFB
@ -1265,7 +1261,7 @@ U 1 1 5C1645BF
P 1650 7000 P 1650 7000
F 0 "U4" H 1675 7815 50 0000 C CNN F 0 "U4" H 1675 7815 50 0000 C CNN
F 1 "SPI Flash" H 1675 7724 50 0000 C CNN F 1 "SPI Flash" H 1675 7724 50 0000 C CNN
F 2 "tomu-fpga:USON8_2X3MM" H 1450 7000 50 0001 C CNN F 2 "tomu-fpga:SON50P300X200X60-9N" H 1450 7000 50 0001 C CNN
F 3 "http://www.winbond.com/resource-files/w25q128jv_dtr%20revc%2003272018%20plus.pdf" H 1450 7000 50 0001 C CNN F 3 "http://www.winbond.com/resource-files/w25q128jv_dtr%20revc%2003272018%20plus.pdf" H 1450 7000 50 0001 C CNN
F 4 "W25Q128JVSIMCT-ND" H -450 -1450 50 0001 C CNN "DPN" F 4 "W25Q128JVSIMCT-ND" H -450 -1450 50 0001 C CNN "DPN"
F 5 "W25Q128JVSIM" H -450 -1450 50 0001 C CNN "MPN" F 5 "W25Q128JVSIM" H -450 -1450 50 0001 C CNN "MPN"
@ -1359,22 +1355,10 @@ Text Label 9050 2700 0 50 ~ 0
LED_G LED_G
Text Label 9050 2800 0 50 ~ 0 Text Label 9050 2800 0 50 ~ 0
LED_R LED_R
Wire Wire Line
9850 2600 9700 2600
Wire Wire Line
9700 2600 9700 2900
Wire Wire Line
9700 2900 9400 2900
Wire Wire Line
9850 2700 9600 2700
Wire Wire Line
9600 2700 9600 2600
Wire Wire Line Wire Wire Line
9500 2800 9500 2700 9500 2800 9500 2700
Wire Wire Line Wire Wire Line
9500 2800 9850 2800 9500 2800 9850 2800
Wire Wire Line
9400 2800 9400 2900
Text Label 9550 1900 0 50 ~ 0 Text Label 9550 1900 0 50 ~ 0
ICE_USBP ICE_USBP
Text Label 9550 1800 0 50 ~ 0 Text Label 9550 1800 0 50 ~ 0
@ -1407,19 +1391,9 @@ F 7 "ICE40-ULTRAPLUS, 5280 LUTS, 1.2V" H 0 0 50 0001 C CNN "Description"
1 0 0 -1 1 0 0 -1
$EndComp $EndComp
Wire Wire Line Wire Wire Line
9650 1900 9650 2300 9650 1900 9650 2200
Wire Wire Line
9800 1800 9800 2200
Wire Wire Line
5250 2050 5250 2400
Wire Wire Line Wire Wire Line
4200 1600 4200 2600 4200 1600 4200 2600
Wire Wire Line
5400 2250 5400 1500
Wire Wire Line
5400 1500 5250 1500
Wire Wire Line
5250 1500 5250 1400
Text Notes 1150 7400 0 50 ~ 0 Text Notes 1150 7400 0 50 ~ 0
To program SPI flash, put FPGA in RESET\nTo program FPGA, keep SPI_IO3 LOW To program SPI flash, put FPGA in RESET\nTo program FPGA, keep SPI_IO3 LOW
Wire Wire Line Wire Wire Line
@ -1670,9 +1644,9 @@ Text Label 5450 4400 0 50 ~ 0
Text Label 5450 6050 0 50 ~ 0 Text Label 5450 6050 0 50 ~ 0
GND GND
Text Label 5450 5900 0 50 ~ 0 Text Label 5450 5900 0 50 ~ 0
ICE_USBP USB_P
Text Label 5450 5750 0 50 ~ 0 Text Label 5450 5750 0 50 ~ 0
ICE_USBN USB_N
$Comp $Comp
L tomu-fpga:Testpoint TP10 L tomu-fpga:Testpoint TP10
U 1 1 5C0EA6CF U 1 1 5C0EA6CF
@ -1730,7 +1704,6 @@ F 3 "" H 6000 6250 50 0001 C CNN
1 0 0 -1 1 0 0 -1
$EndComp $EndComp
NoConn ~ 2650 5950 NoConn ~ 2650 5950
NoConn ~ 2650 6050
NoConn ~ 1450 1200 NoConn ~ 1450 1200
Wire Wire Line Wire Wire Line
8700 1800 9300 1800 8700 1800 9300 1800
@ -1776,10 +1749,6 @@ Wire Wire Line
Wire Wire Line Wire Wire Line
10850 5100 10850 5200 10850 5100 10850 5200
Connection ~ 10850 5200 Connection ~ 10850 5200
Wire Wire Line
9850 2200 9800 2200
Wire Wire Line
9850 2300 9650 2300
Wire Wire Line Wire Wire Line
9850 2500 9800 2500 9850 2500 9800 2500
Wire Wire Line Wire Wire Line
@ -1787,11 +1756,9 @@ Wire Wire Line
Wire Wire Line Wire Wire Line
9250 2400 9800 2400 9250 2400 9800 2400
Wire Wire Line Wire Wire Line
8950 2800 9400 2800 8950 2800 9300 2800
Wire Wire Line Wire Wire Line
8950 2700 9500 2700 8950 2700 9500 2700
Wire Wire Line
8950 2600 9600 2600
Wire Wire Line Wire Wire Line
8100 2400 8100 2600 8100 2400 8100 2600
Wire Wire Line Wire Wire Line
@ -1802,7 +1769,7 @@ Wire Wire Line
10450 1600 10450 1200 10450 1600 10450 1200
Wire Wire Line Wire Wire Line
10450 1200 10850 1200 10450 1200 10850 1200
Text Label 5500 2250 0 50 ~ 0 Text Label 5250 1800 1 50 ~ 0
TOUCH_4 TOUCH_4
Text Label 5150 1800 1 50 ~ 0 Text Label 5150 1800 1 50 ~ 0
TOUCH_3 TOUCH_3
@ -1810,10 +1777,6 @@ Text Label 5050 1800 1 50 ~ 0
TOUCH_2 TOUCH_2
Text Label 4950 1800 1 50 ~ 0 Text Label 4950 1800 1 50 ~ 0
TOUCH_1 TOUCH_1
Text Label 2300 6350 0 50 ~ 0
TOUCH_4
Wire Wire Line
2650 6350 2300 6350
NoConn ~ 9850 2400 NoConn ~ 9850 2400
Wire Notes Line Wire Notes Line
4550 4000 6800 4000 4550 4000 6800 4000
@ -1877,4 +1840,34 @@ F 6 "ANY" H 250 100 50 0001 C CNN "Manufacturer"
1 5250 3450 1 5250 3450
1 0 0 -1 1 0 0 -1
$EndComp $EndComp
Wire Wire Line
8950 2600 9850 2600
Wire Wire Line
9800 2750 9800 2700
Wire Wire Line
9800 2700 9850 2700
Wire Wire Line
9300 2750 9300 2800
Wire Wire Line
9300 2750 9800 2750
Wire Wire Line
5150 2400 5850 2400
Text Label 2200 6050 0 50 ~ 0
OSC_IN
Wire Wire Line
2650 6050 2100 6050
Wire Wire Line
5250 1400 5250 2050
NoConn ~ 2650 6350
NoConn ~ 4800 2600
Wire Wire Line
9850 2200 9650 2200
Wire Wire Line
9850 2300 9800 2300
Wire Wire Line
9800 1800 9800 2300
Text Label 8800 1900 0 50 ~ 0
USB_P
Text Label 8800 1800 0 50 ~ 0
USB_N
$EndSCHEMATC $EndSCHEMATC