electronics/sabik-cpu
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Optimize some things

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This commit is contained in:
Markus Koch 2020-10-04 19:31:16 +02:00
parent 0ad4410f8a
commit 00f02c779f
3 changed files with 121 additions and 9 deletions
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41
kicad/cpu.sch
View File

@ -3,7 +3,7 @@ EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 4 4
Sheet 3 4
Title ""
Date "2020-10-03"
Rev ""
@ -206,7 +206,7 @@ L Switch:SW_Push SW?
U 1 1 5F840B63
P 850 1050
F 0 "SW?" V 804 1198 50 0000 L CNN
F 1 "SW_Push" V 895 1198 50 0000 L CNN
F 1 "Reset" V 895 1198 50 0000 L CNN
F 2 "" H 850 1250 50 0001 C CNN
F 3 "~" H 850 1250 50 0001 C CNN
1 850 1050
@ -587,4 +587,41 @@ Text HLabel 7150 4200 2 50 Input ~ 0
AUDIO_L
Text HLabel 7150 4300 2 50 Input ~ 0
AUDIO_R
Text Notes 6550 4200 0 50 ~ 0
:ADC1_4
Text Notes 6550 4300 0 50 ~ 0
:ADC1_5
$Comp
L Connector:TestPoint TP?
U 1 1 5F7A98FC
P 7050 4600
F 0 "TP?" V 7050 4800 50 0000 L CNN
F 1 "PA8" V 7000 4550 50 0000 L CNN
F 2 "" H 7250 4600 50 0001 C CNN
F 3 "~" H 7250 4600 50 0001 C CNN
1 7050 4600
0 1 1 0
$EndComp
Wire Wire Line
7050 4600 6550 4600
Wire Wire Line
7050 4700 6550 4700
$Comp
L Connector:TestPoint TP?
U 1 1 5F7AF4B9
P 7050 4700
F 0 "TP?" V 7050 4900 50 0000 L CNN
F 1 "PA9" V 7000 4650 50 0000 L CNN
F 2 "" H 7250 4700 50 0001 C CNN
F 3 "~" H 7250 4700 50 0001 C CNN
1 7050 4700
0 1 1 0
$EndComp
NoConn ~ 6550 4900
NoConn ~ 5250 5000
NoConn ~ 5250 4900
NoConn ~ 5250 4500
NoConn ~ 5250 4200
NoConn ~ 5250 4100
NoConn ~ 5250 4000
$EndSCHEMATC

72
kicad/io.sch
View File

@ -277,7 +277,7 @@ L Connector:USB_B_Micro J?
U 1 1 5F7ABAAB
P 1000 2100
F 0 "J?" H 1057 2567 50 0000 C CNN
F 1 "USB_B_Micro" H 1057 2476 50 0000 C CNN
F 1 "USB" H 1057 2476 50 0000 C CNN
F 2 "" H 1150 2050 50 0001 C CNN
F 3 "~" H 1150 2050 50 0001 C CNN
1 1000 2100
@ -756,8 +756,8 @@ $EndComp
Wire Wire Line
3800 5050 3800 4950
Wire Wire Line
2550 4350 3000 4350
Text Label 2550 4350 0 50 ~ 0
2250 4350 2800 4350
Text Label 2250 4350 0 50 ~ 0
AUDIO_IN_L
$Comp
L power:VDDA #PWR?
@ -903,10 +903,6 @@ F 3 "" H 3800 6600 50 0001 C CNN
$EndComp
Wire Wire Line
3800 6600 3800 6500
Wire Wire Line
2550 5900 3000 5900
Text Label 2550 5900 0 50 ~ 0
AUDIO_IN_R
$Comp
L power:VDDA #PWR?
U 1 1 5F849D17
@ -958,4 +954,66 @@ F 3 "http://www.ti.com/lit/ds/symlink/lm2904-n.pdf" H 1500 6600 50 0001 C CNN
$EndComp
Text Notes 3500 7100 0 50 ~ 0
TODO: Set sensible\ngain for input stage.
$Comp
L Device:R R?
U 1 1 5F7C2195
P 2800 4600
F 0 "R?" H 2600 4650 50 0000 L CNN
F 1 "47k" H 2600 4550 50 0000 L CNN
F 2 "" V 2730 4600 50 0001 C CNN
F 3 "~" H 2800 4600 50 0001 C CNN
1 2800 4600
1 0 0 -1
$EndComp
Wire Wire Line
2800 4450 2800 4350
Connection ~ 2800 4350
Wire Wire Line
2800 4350 3000 4350
$Comp
L power:GND #PWR?
U 1 1 5F7DF715
P 2800 5050
F 0 "#PWR?" H 2800 4800 50 0001 C CNN
F 1 "GND" H 2805 4877 50 0000 C CNN
F 2 "" H 2800 5050 50 0001 C CNN
F 3 "" H 2800 5050 50 0001 C CNN
1 2800 5050
1 0 0 -1
$EndComp
Wire Wire Line
2800 5050 2800 4750
Wire Wire Line
2250 5900 2800 5900
Text Label 2250 5900 0 50 ~ 0
AUDIO_IN_R
$Comp
L Device:R R?
U 1 1 5F7F1A27
P 2800 6150
F 0 "R?" H 2600 6200 50 0000 L CNN
F 1 "47k" H 2600 6100 50 0000 L CNN
F 2 "" V 2730 6150 50 0001 C CNN
F 3 "~" H 2800 6150 50 0001 C CNN
1 2800 6150
1 0 0 -1
$EndComp
Wire Wire Line
2800 6000 2800 5900
Connection ~ 2800 5900
Wire Wire Line
2800 5900 3000 5900
$Comp
L power:GND #PWR?
U 1 1 5F7F1A34
P 2800 6600
F 0 "#PWR?" H 2800 6350 50 0001 C CNN
F 1 "GND" H 2805 6427 50 0000 C CNN
F 2 "" H 2800 6600 50 0001 C CNN
F 3 "" H 2800 6600 50 0001 C CNN
1 2800 6600
1 0 0 -1
$EndComp
Wire Wire Line
2800 6600 2800 6300
$EndSCHEMATC

17
kicad/sabik-cpu-cache.lib
View File

@ -172,6 +172,23 @@ X Pin_4 4 -200 -200 150 R 50 50 1 1 P
ENDDRAW
ENDDEF
#
# Connector_TestPoint
#
DEF Connector_TestPoint TP 0 30 N N 1 F N
F0 "TP" 0 270 50 H V C CNN
F1 "Connector_TestPoint" 0 200 50 H V C CNN
F2 "" 200 0 50 H I C CNN
F3 "" 200 0 50 H I C CNN
$FPLIST
Pin*
Test*
$ENDFPLIST
DRAW
C 0 130 30 0 1 0 N
X 1 1 0 0 100 U 50 50 1 1 P
ENDDRAW
ENDDEF
#
# Connector_USB_B_Micro
#
DEF Connector_USB_B_Micro J 0 40 Y Y 1 F N