diff options
author | Harald Welte <laforge@gnumonks.org> | 2012-05-17 16:15:10 +0200 |
---|---|---|
committer | Harald Welte <laforge@gnumonks.org> | 2012-05-17 16:15:10 +0200 |
commit | 2590ed2f5b2305cf0532e6b505f665f1f645c7a8 (patch) | |
tree | 8a2866df53b99254c22af09ddb159d1a0aa06518 | |
parent | 1c82a64101ed09e59d7862ac1dd5fb032b254b72 (diff) |
Add R23 (pull-up for !SIM_RST signal)
While the SAM7 has an internal pull-up, this is of no use if the bus
switch input is left open and collects noise resulting in bogus nRST
interrupts.
-rw-r--r-- | hardware/kicad/SIMtrace.sch | 105 |
1 files changed, 58 insertions, 47 deletions
diff --git a/hardware/kicad/SIMtrace.sch b/hardware/kicad/SIMtrace.sch index ba89f36..5b15e93 100644 --- a/hardware/kicad/SIMtrace.sch +++ b/hardware/kicad/SIMtrace.sch @@ -1,4 +1,4 @@ -EESchema Schematic File Version 2 date Wed 16 May 2012 13:12:21 CEST +EESchema Schematic File Version 2 date Do 17 Mai 2012 16:14:52 CEST LIBS:power LIBS:device LIBS:transistors @@ -38,7 +38,7 @@ $Descr A4 11700 8267 encoding utf-8 Sheet 1 1 Title "SIMtrace hardware" -Date "16 may 2012" +Date "17 may 2012" Rev "v1.2p" Comp "osmocom" Comment1 "CC-BY-SA" @@ -47,6 +47,8 @@ Comment3 "" Comment4 "" $EndDescr Wire Wire Line + 8600 1700 8400 1700 +Wire Wire Line 10550 6350 9850 6350 Wire Wire Line 8150 6150 8150 5600 @@ -83,7 +85,7 @@ Wire Wire Line Wire Wire Line 1900 6500 1750 6500 Wire Wire Line - 8250 2300 8250 2250 + 7450 2300 8500 2300 Wire Wire Line 650 5450 1250 5450 Wire Wire Line @@ -107,8 +109,6 @@ Wire Wire Line Wire Wire Line 8400 1700 8400 1600 Wire Wire Line - 7450 2300 8350 2300 -Wire Wire Line 2050 6650 1600 6650 Wire Wire Line 5050 1000 5050 950 @@ -134,7 +134,7 @@ Wire Wire Line Wire Wire Line 900 3550 900 3700 Wire Wire Line - 8800 1100 9150 1100 + 9000 1100 9150 1100 Wire Wire Line 7450 1700 7650 1700 Wire Wire Line @@ -166,7 +166,7 @@ Wire Wire Line Wire Wire Line 4800 2700 4800 2900 Wire Wire Line - 8950 2550 8950 2650 + 9100 2550 9100 2650 Connection ~ 7550 5200 Wire Wire Line 7650 5200 7450 5200 @@ -244,7 +244,7 @@ Wire Wire Line Wire Wire Line 10550 2050 10950 2050 Wire Wire Line - 9350 1750 8750 1750 + 9350 1750 8950 1750 Wire Wire Line 7450 3700 7900 3700 Wire Wire Line @@ -303,7 +303,7 @@ Wire Wire Line Wire Wire Line 8350 2600 7450 2600 Wire Wire Line - 7450 2400 8350 2400 + 8700 2400 7450 2400 Wire Wire Line 8350 4000 7450 4000 Connection ~ 8200 2600 @@ -529,7 +529,7 @@ Wire Wire Line Wire Wire Line 7450 3600 7900 3600 Wire Wire Line - 9350 1850 8750 1850 + 9350 1850 8950 1850 Wire Wire Line 10550 1950 10950 1950 Wire Wire Line @@ -580,7 +580,7 @@ Wire Wire Line Wire Wire Line 7000 1350 7650 1350 Wire Wire Line - 9350 1950 8750 1950 + 9350 1950 8950 1950 Wire Wire Line 7450 2900 8350 2900 Wire Wire Line @@ -598,8 +598,8 @@ Wire Wire Line 7450 5300 7550 5300 Connection ~ 7550 5300 Wire Wire Line - 8950 2050 8950 1950 -Connection ~ 8950 1950 + 9100 2050 9100 1950 +Connection ~ 9100 1950 Wire Wire Line 3300 3050 3300 2900 Connection ~ 3300 2900 @@ -638,9 +638,9 @@ Wire Wire Line Wire Wire Line 7450 1900 8300 1900 Wire Wire Line - 8600 1700 8600 1400 + 8800 1700 8800 1400 Wire Wire Line - 8150 1100 8400 1100 + 8150 1100 8600 1100 Wire Wire Line 1150 3650 1150 3000 Wire Wire Line @@ -670,12 +670,12 @@ Wire Wire Line Wire Wire Line 5050 1700 5050 1600 Wire Wire Line - 7450 3200 8600 3200 + 7450 3200 8800 3200 Wire Wire Line - 8600 3200 8600 2200 + 8800 3200 8800 2200 Wire Wire Line 7650 1350 7650 1700 -Connection ~ 8250 2300 +Connection ~ 8400 2300 Wire Wire Line 7700 4900 7550 4900 Wire Wire Line @@ -693,9 +693,7 @@ Wire Wire Line Wire Wire Line 1250 5650 650 5650 Wire Wire Line - 8250 2250 8400 2250 -Wire Wire Line - 8400 2250 8400 2200 + 8400 2300 8400 2200 Wire Wire Line 8200 2000 8200 2500 Wire Wire Line @@ -704,7 +702,7 @@ Connection ~ 900 5450 Wire Wire Line 900 6200 900 5450 Wire Wire Line - 2250 5450 2250 5650 + 2250 5650 2250 5450 Wire Wire Line 10350 4950 10800 4950 Wire Wire Line @@ -727,6 +725,19 @@ Wire Wire Line 7900 6650 7850 6650 Wire Wire Line 7850 6650 7850 5850 +Wire Wire Line + 8600 2400 8600 2200 +Connection ~ 8600 2400 +$Comp +L R R23 +U 1 1 4FB50700 +P 8600 1950 +F 0 "R23" V 8680 1950 50 0000 C CNN +F 1 "100K" V 8600 1950 50 0000 C CNN +F 2 "SM0603" H 8600 1950 60 0001 C CNN + 1 8600 1950 + 1 0 0 -1 +$EndComp Text Label 10000 6350 0 60 ~ 0 RST_PHONE Text Label 7850 6300 1 60 ~ 0 @@ -1027,28 +1038,28 @@ F 1 "3V3" H 3750 6775 40 0000 C CNN 0 1 1 0 $EndComp NoConn ~ 7450 4800 -Text Label 8850 1100 0 60 ~ 0 +Text Label 9050 1100 0 60 ~ 0 UDP_PUP $Comp L R R16 U 1 1 4DC7A441 -P 8600 1950 -F 0 "R16" V 8680 1950 50 0000 C CNN -F 1 "10K" V 8600 1950 50 0000 C CNN -F 2 "SM0603" H 8600 1950 60 0001 C CNN - 1 8600 1950 +P 8800 1950 +F 0 "R16" V 8880 1950 50 0000 C CNN +F 1 "10K" V 8800 1950 50 0000 C CNN +F 2 "SM0603" H 8800 1950 60 0001 C CNN + 1 8800 1950 1 0 0 -1 $EndComp $Comp L BC847 Q2 U 1 1 4DC7A43A -P 8600 1200 -F 0 "Q2" H 8600 1050 50 0000 R CNN -F 1 "BC847" V 9000 1200 50 0000 R CNN -F 2 "SOT23_BC847" H 8600 1200 60 0001 C CNN -F 4 "45V" V 8850 1100 50 0000 C CNN "Field1" -F 5 "100mA" V 8850 1350 50 0000 C CNN "Field2" - 1 8600 1200 +P 8800 1200 +F 0 "Q2" H 8800 1050 50 0000 R CNN +F 1 "BC847" V 9200 1200 50 0000 R CNN +F 2 "SOT23_BC847" H 8800 1200 60 0001 C CNN +F 4 "45V" V 9050 1100 50 0000 C CNN "Field1" +F 5 "100mA" V 9050 1350 50 0000 C CNN "Field2" + 1 8800 1200 0 1 -1 0 $EndComp $Comp @@ -1225,20 +1236,20 @@ $EndComp $Comp L GND #PWR017 U 1 1 4DC799FC -P 8950 2650 -F 0 "#PWR017" H 8950 2650 30 0001 C CNN -F 1 "GND" H 8950 2580 30 0001 C CNN - 1 8950 2650 +P 9100 2650 +F 0 "#PWR017" H 9100 2650 30 0001 C CNN +F 1 "GND" H 9100 2580 30 0001 C CNN + 1 9100 2650 1 0 0 -1 $EndComp $Comp L R R17 U 1 1 4DC799F2 -P 8950 2300 -F 0 "R17" V 9030 2300 50 0000 C CNN -F 1 "10K" V 8950 2300 50 0000 C CNN -F 2 "SM0603" H 8950 2300 60 0001 C CNN - 1 8950 2300 +P 9100 2300 +F 0 "R17" V 9180 2300 50 0000 C CNN +F 1 "10K" V 9100 2300 50 0000 C CNN +F 2 "SM0603" H 9100 2300 60 0001 C CNN + 1 9100 2300 1 0 0 -1 $EndComp $Comp @@ -1423,7 +1434,7 @@ Text Label 7600 2900 0 60 ~ 0 I/O_SW Text Label 7600 3300 0 60 ~ 0 WP -Text Label 8850 1950 0 60 ~ 0 +Text Label 9000 1950 0 60 ~ 0 WP Text Label 7050 1350 0 60 ~ 0 BOOTLOADER @@ -1554,9 +1565,9 @@ Text Label 10700 2050 0 60 ~ 0 MOSI Text Label 10700 1950 0 60 ~ 0 SCK -Text Label 8850 1850 0 60 ~ 0 +Text Label 9050 1850 0 60 ~ 0 MISO -Text Label 8850 1750 0 60 ~ 0 +Text Label 9050 1750 0 60 ~ 0 CS Text Label 7600 3700 0 60 ~ 0 CS |