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Date: 2020-05-06
KiCad E.D.A. kicad 5.1.5-1.fc31
Rev: B
Size: USLetter
Id: 1/1
Title: NucleoTNC PCB
File: Nucleo32TNC.sch
Sheet: /
Mobilinkd TNC
Based on Nucleo32 Breadboard TNC Project
STM32L432 Nucleo32 Board
R12
510
+3.3V
C10
0.1uF
C11
0.1uF
GND
+3.3V
C2
2.2uF
GND
C3
10nF
R2
R470
R3
R470
R8
6K8
C5
33nF
GND
R9
100K
GND
GND
C9
470pF
C7
1nF
R15
16K
R10
16K
R16
30K
GND
GND
C8
33nF
C4
470pF
R14
510
C6
1nF
R7
30K
GND
GND
GND
SW1
SW_Push
GND
H4
MountingHole_Pad
H3
MountingHole_Pad
H2
MountingHole_Pad
H1
MountingHole_Pad
+3.3V
R22
R470
D6
YEL LED
C13
10uF
C12
1uF
+3.3V
+
5
-
6
7
U1B
MCP6004
GND
+3.3V
GND
+3.3V
R21
R470
D5
BLU LED
VIN
4.1
PA3
4.10
PA1
4.11
PA0
4.12
AREF
4.13
+3V3
4.14
PB3
4.15
GND
4.2
NRST
4.3
+5V
4.4
PA2
4.5
PA7
4.6
PA6
4.7
PA5
4.8
PA4
4.9
A1B
NUCLEO-L432KC
PA9
3.1
PF0
3.10
PF1
3.11
PA8
3.12
PA11
3.13
PB5
3.14
PB4
3.15
PA10
3.2
NRST
3.3
GND
3.4
PA12
3.5
PB0
3.6
PB7
3.7
PB6
3.8
PB1
3.9
A1A
NUCLEO-L432KC
+3.3V
GND
GND
+3.3V
+3.3V
R11
100K
1
2
3
Q2
2N7000
D1
BAT85
D2
BAT85
R13
220
R5
100K
D3
GRN LED
D4
RED LED
R18
2K2
GND
R1
10K
GND
R4
2K2
R17
2K2
R20
R470
R19
R470
+3.3V
+3.3V
+3.3V
GND
V-
11
V+
4
U1E
MCP6004
+
12
-
13
14
U1D
MCP6004
C1
1uF
+
10
8
-
9
U1C
MCP6004
GND
GND
1
2
3
Q1
2N7000
1
-
2
+
3
U1A
MCP6004
R1
R2
S
T
J1
AudioJack4
R6
220
A0
1
A1
2
A2
3
GND
4
SDA
5
SCL
6
WP
7
VCC
8
U2
24LC32
LED_TX
AUDIO_ATTEN
ADC_AUDIO
LED_TX
DAC_AUDIO
LED_DCD
DC_OFFSET
AUDIO_IN
PTT_SIMPLEX
PTT_MULTIPLEX
I2C_SDA
I2C_SCL
AUDIO_ATTEN
AUDIO_OUT
DAC_AUDIO
DC_OFFSET
PTT_SIMPLEX
I2C_SCL
LED_DCD
ADC_AUDIO
LED_MISC
AUDIO_OUT
PTT
AUDIO_IN
LED_MISC
I2C_SDA
PTT_MULTIPLEX
INDICATOR LEDS
PTT
AUDIO INPUT
AUDIO OUTPUT
OP AMP POWER
PERSISTENT CONFIGURATION