catarrh/simtrace
1
0
Fork 0
mirror of https://gitea.osmocom.org/sim-card/simtrace.git synced 2026-03-25 17:58:36 +03:00
Code Issues Packages Projects Releases Wiki Activity

Add R23 (pull-up for !SIM_RST signal)

Browse Source 
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.
This commit is contained in:
Harald Welte
2012-05-17 16:15:10 +02:00
parent 1c82a64101
commit 2590ed2f5b
1 changed files with 58 additions and 47 deletions
Download Patch File Download Diff File Expand all files Collapse all files

105
hardware/kicad/SIMtrace.sch
View File

@@ -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:power
LIBS:device LIBS:device
LIBS:transistors LIBS:transistors
@@ -38,7 +38,7 @@ $Descr A4 11700 8267
encoding utf-8 encoding utf-8
Sheet 1 1 Sheet 1 1
Title "SIMtrace hardware" Title "SIMtrace hardware"
Date "16 may 2012" Date "17 may 2012"
Rev "v1.2p" Rev "v1.2p"
Comp "osmocom" Comp "osmocom"
Comment1 "CC-BY-SA" Comment1 "CC-BY-SA"
@@ -46,6 +46,8 @@ Comment2 ""
Comment3 "" Comment3 ""
Comment4 "" Comment4 ""
$EndDescr $EndDescr
Wire Wire Line
8600 1700 8400 1700
Wire Wire Line Wire Wire Line
10550 6350 9850 6350 10550 6350 9850 6350
Wire Wire Line Wire Wire Line
@@ -83,7 +85,7 @@ Wire Wire Line
Wire Wire Line Wire Wire Line
1900 6500 1750 6500 1900 6500 1750 6500
Wire Wire Line Wire Wire Line
8250 2300 8250 2250 7450 2300 8500 2300
Wire Wire Line Wire Wire Line
650 5450 1250 5450 650 5450 1250 5450
Wire Wire Line Wire Wire Line
@@ -106,8 +108,6 @@ Wire Wire Line
7450 5100 7700 5100 7450 5100 7700 5100
Wire Wire Line Wire Wire Line
8400 1700 8400 1600 8400 1700 8400 1600
Wire Wire Line
7450 2300 8350 2300
Wire Wire Line Wire Wire Line
2050 6650 1600 6650 2050 6650 1600 6650
Wire Wire Line Wire Wire Line
@@ -134,7 +134,7 @@ Wire Wire Line
Wire Wire Line Wire Wire Line
900 3550 900 3700 900 3550 900 3700
Wire Wire Line Wire Wire Line
8800 1100 9150 1100 9000 1100 9150 1100
Wire Wire Line Wire Wire Line
7450 1700 7650 1700 7450 1700 7650 1700
Wire Wire Line Wire Wire Line
@@ -166,7 +166,7 @@ Wire Wire Line
Wire Wire Line Wire Wire Line
4800 2700 4800 2900 4800 2700 4800 2900
Wire Wire Line Wire Wire Line
8950 2550 8950 2650 9100 2550 9100 2650
Connection ~ 7550 5200 Connection ~ 7550 5200
Wire Wire Line Wire Wire Line
7650 5200 7450 5200 7650 5200 7450 5200
@@ -244,7 +244,7 @@ Wire Wire Line
Wire Wire Line Wire Wire Line
10550 2050 10950 2050 10550 2050 10950 2050
Wire Wire Line Wire Wire Line
9350 1750 8750 1750 9350 1750 8950 1750
Wire Wire Line Wire Wire Line
7450 3700 7900 3700 7450 3700 7900 3700
Wire Wire Line Wire Wire Line
@@ -303,7 +303,7 @@ Wire Wire Line
Wire Wire Line Wire Wire Line
8350 2600 7450 2600 8350 2600 7450 2600
Wire Wire Line Wire Wire Line
7450 2400 8350 2400 8700 2400 7450 2400
Wire Wire Line Wire Wire Line
8350 4000 7450 4000 8350 4000 7450 4000
Connection ~ 8200 2600 Connection ~ 8200 2600
@@ -529,7 +529,7 @@ Wire Wire Line
Wire Wire Line Wire Wire Line
7450 3600 7900 3600 7450 3600 7900 3600
Wire Wire Line Wire Wire Line
9350 1850 8750 1850 9350 1850 8950 1850
Wire Wire Line Wire Wire Line
10550 1950 10950 1950 10550 1950 10950 1950
Wire Wire Line Wire Wire Line
@@ -580,7 +580,7 @@ Wire Wire Line
Wire Wire Line Wire Wire Line
7000 1350 7650 1350 7000 1350 7650 1350
Wire Wire Line Wire Wire Line
9350 1950 8750 1950 9350 1950 8950 1950
Wire Wire Line Wire Wire Line
7450 2900 8350 2900 7450 2900 8350 2900
Wire Wire Line Wire Wire Line
@@ -598,8 +598,8 @@ Wire Wire Line
7450 5300 7550 5300 7450 5300 7550 5300
Connection ~ 7550 5300 Connection ~ 7550 5300
Wire Wire Line Wire Wire Line
8950 2050 8950 1950 9100 2050 9100 1950
Connection ~ 8950 1950 Connection ~ 9100 1950
Wire Wire Line Wire Wire Line
3300 3050 3300 2900 3300 3050 3300 2900
Connection ~ 3300 2900 Connection ~ 3300 2900
@@ -638,9 +638,9 @@ Wire Wire Line
Wire Wire Line Wire Wire Line
7450 1900 8300 1900 7450 1900 8300 1900
Wire Wire Line Wire Wire Line
8600 1700 8600 1400 8800 1700 8800 1400
Wire Wire Line Wire Wire Line
8150 1100 8400 1100 8150 1100 8600 1100
Wire Wire Line Wire Wire Line
1150 3650 1150 3000 1150 3650 1150 3000
Wire Wire Line Wire Wire Line
@@ -670,12 +670,12 @@ Wire Wire Line
Wire Wire Line Wire Wire Line
5050 1700 5050 1600 5050 1700 5050 1600
Wire Wire Line Wire Wire Line
7450 3200 8600 3200 7450 3200 8800 3200
Wire Wire Line Wire Wire Line
8600 3200 8600 2200 8800 3200 8800 2200
Wire Wire Line Wire Wire Line
7650 1350 7650 1700 7650 1350 7650 1700
Connection ~ 8250 2300 Connection ~ 8400 2300
Wire Wire Line Wire Wire Line
7700 4900 7550 4900 7700 4900 7550 4900
Wire Wire Line Wire Wire Line
@@ -693,9 +693,7 @@ Wire Wire Line
Wire Wire Line Wire Wire Line
1250 5650 650 5650 1250 5650 650 5650
Wire Wire Line Wire Wire Line
8250 2250 8400 2250 8400 2300 8400 2200
Wire Wire Line
8400 2250 8400 2200
Wire Wire Line Wire Wire Line
8200 2000 8200 2500 8200 2000 8200 2500
Wire Wire Line Wire Wire Line
@@ -704,7 +702,7 @@ Connection ~ 900 5450
Wire Wire Line Wire Wire Line
900 6200 900 5450 900 6200 900 5450
Wire Wire Line Wire Wire Line
2250 5450 2250 5650 2250 5650 2250 5450
Wire Wire Line Wire Wire Line
10350 4950 10800 4950 10350 4950 10800 4950
Wire Wire Line Wire Wire Line
@@ -727,6 +725,19 @@ Wire Wire Line
7900 6650 7850 6650 7900 6650 7850 6650
Wire Wire Line Wire Wire Line
7850 6650 7850 5850 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 Text Label 10000 6350 0 60 ~ 0
RST_PHONE RST_PHONE
Text Label 7850 6300 1 60 ~ 0 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 0 1 1 0
$EndComp $EndComp
NoConn ~ 7450 4800 NoConn ~ 7450 4800
Text Label 8850 1100 0 60 ~ 0 Text Label 9050 1100 0 60 ~ 0
UDP_PUP UDP_PUP
$Comp $Comp
L R R16 L R R16
U 1 1 4DC7A441 U 1 1 4DC7A441
P 8600 1950 P 8800 1950
F 0 "R16" V 8680 1950 50 0000 C CNN F 0 "R16" V 8880 1950 50 0000 C CNN
F 1 "10K" V 8600 1950 50 0000 C CNN F 1 "10K" V 8800 1950 50 0000 C CNN
F 2 "SM0603" H 8600 1950 60 0001 C CNN F 2 "SM0603" H 8800 1950 60 0001 C CNN
1 8600 1950 1 8800 1950
1 0 0 -1 1 0 0 -1
$EndComp $EndComp
$Comp $Comp
L BC847 Q2 L BC847 Q2
U 1 1 4DC7A43A U 1 1 4DC7A43A
P 8600 1200 P 8800 1200
F 0 "Q2" H 8600 1050 50 0000 R CNN F 0 "Q2" H 8800 1050 50 0000 R CNN
F 1 "BC847" V 9000 1200 50 0000 R CNN F 1 "BC847" V 9200 1200 50 0000 R CNN
F 2 "SOT23_BC847" H 8600 1200 60 0001 C CNN F 2 "SOT23_BC847" H 8800 1200 60 0001 C CNN
F 4 "45V" V 8850 1100 50 0000 C CNN "Field1" F 4 "45V" V 9050 1100 50 0000 C CNN "Field1"
F 5 "100mA" V 8850 1350 50 0000 C CNN "Field2" F 5 "100mA" V 9050 1350 50 0000 C CNN "Field2"
1 8600 1200 1 8800 1200
0 1 -1 0 0 1 -1 0
$EndComp $EndComp
$Comp $Comp
@@ -1225,20 +1236,20 @@ $EndComp
$Comp $Comp
L GND #PWR017 L GND #PWR017
U 1 1 4DC799FC U 1 1 4DC799FC
P 8950 2650 P 9100 2650
F 0 "#PWR017" H 8950 2650 30 0001 C CNN F 0 "#PWR017" H 9100 2650 30 0001 C CNN
F 1 "GND" H 8950 2580 30 0001 C CNN F 1 "GND" H 9100 2580 30 0001 C CNN
1 8950 2650 1 9100 2650
1 0 0 -1 1 0 0 -1
$EndComp $EndComp
$Comp $Comp
L R R17 L R R17
U 1 1 4DC799F2 U 1 1 4DC799F2
P 8950 2300 P 9100 2300
F 0 "R17" V 9030 2300 50 0000 C CNN F 0 "R17" V 9180 2300 50 0000 C CNN
F 1 "10K" V 8950 2300 50 0000 C CNN F 1 "10K" V 9100 2300 50 0000 C CNN
F 2 "SM0603" H 8950 2300 60 0001 C CNN F 2 "SM0603" H 9100 2300 60 0001 C CNN
1 8950 2300 1 9100 2300
1 0 0 -1 1 0 0 -1
$EndComp $EndComp
$Comp $Comp
@@ -1423,7 +1434,7 @@ Text Label 7600 2900 0 60 ~ 0
I/O_SW I/O_SW
Text Label 7600 3300 0 60 ~ 0 Text Label 7600 3300 0 60 ~ 0
WP WP
Text Label 8850 1950 0 60 ~ 0 Text Label 9000 1950 0 60 ~ 0
WP WP
Text Label 7050 1350 0 60 ~ 0 Text Label 7050 1350 0 60 ~ 0
BOOTLOADER BOOTLOADER
@@ -1554,9 +1565,9 @@ Text Label 10700 2050 0 60 ~ 0
MOSI MOSI
Text Label 10700 1950 0 60 ~ 0 Text Label 10700 1950 0 60 ~ 0
SCK SCK
Text Label 8850 1850 0 60 ~ 0 Text Label 9050 1850 0 60 ~ 0
MISO MISO
Text Label 8850 1750 0 60 ~ 0 Text Label 9050 1750 0 60 ~ 0
CS CS
Text Label 7600 3700 0 60 ~ 0 Text Label 7600 3700 0 60 ~ 0
CS CS