summaryrefslogtreecommitdiff
path: root/microcontroller.sch
diff options
context:
space:
mode:
Diffstat (limited to 'microcontroller.sch')
-rw-r--r--microcontroller.sch22
1 files changed, 16 insertions, 6 deletions
diff --git a/microcontroller.sch b/microcontroller.sch
index 7c5f255..40b3fe9 100644
--- a/microcontroller.sch
+++ b/microcontroller.sch
@@ -75,9 +75,9 @@ $Comp
L CONN_02X05 P3
U 1 1 56B7989C
P 10200 5850
-F 0 "P3" H 10200 6516 50 0000 C CNN
-F 1 "CONN_02X10" H 10200 6424 50 0000 C CNN
-F 2 "Pin_Headers:Pin_Header_Straight_2x10" H 10200 4650 50 0001 C CNN
+F 0 "P3" H 10200 6300 50 0000 C CNN
+F 1 "CONN_02X10" H 10200 6200 50 0000 C CNN
+F 2 "Pin_Headers:Pin_Header_Straight_2x5" H 10200 4650 50 0001 C CNN
F 3 "" H 10200 4650 50 0000 C CNN
1 10200 5850
1 0 0 -1
@@ -392,7 +392,7 @@ Wire Notes Line
Wire Notes Line
5400 1100 4550 1100
Text Notes 4750 1050 0 60 ~ 0
-These two are for VDDA
+These two are for VDDA\nhowever since we're not running the ADCs\nwe don't really need a filter between the rails
Wire Wire Line
3750 2400 3250 2400
Text Label 3400 2400 0 60 ~ 0
@@ -769,8 +769,6 @@ Wire Wire Line
6750 3000 7100 3000
Wire Wire Line
6750 3100 7100 3100
-Wire Wire Line
- 6750 3200 7100 3200
Text HLabel 7100 2800 2 60 Input ~ 0
~SRCINT
Text HLabel 7100 2900 2 60 Output ~ 0
@@ -808,4 +806,16 @@ NoConn ~ 2700 7100
NoConn ~ 2700 7000
NoConn ~ 10050 3300
NoConn ~ 10050 3600
+Text Notes 950 3800 0 60 ~ 0
+These two pullups likely want to be fairly\nmid-trace on the board, rather than directly next\nto the STM32 itself.
+Text Notes 7300 5350 0 60 ~ 0
+There is decoupling on-board on the DAISY-24\nso these capacitors are only for stabilising the\nLDOs.
+Text Notes 8100 6400 0 60 ~ 0
+Note, this pin header might need to change to a 2mm or even a\n0.05" pitch rather than the 0.1" pitch footprint currently used.
+Text Notes 8800 3150 0 60 ~ 0
+Maybe diode-link the USB power into the 5v rail?
+Text Notes 550 6700 0 60 ~ 0
+Maybe use a resistor rather than\ndirectly linking TCK and RTCK?
+NoConn ~ 3750 4200
+NoConn ~ 6750 3200
$EndSCHEMATC