Schematics

AD6983
1K
D1
R1 1K/NC
1
DACL
2
DACR
3
PB7/ADC9
4
PB6/ADC8
5
PB4/ADC7
0
GND
6
LDO_IN/PB5
7
VBAT
8
BT_AVDD
9
PB1/ADC5
10
BT_RF
11
VSS_IO
12
BT_OSCI
13
BT_OSCO
14
DVDD
15
PC1/USBDM
16
ADC4/USBDP
17
MIC_BIAS/PA2
18
ADC1/MIC
19
VDDIO
20
DACVSS
U1
13
2
4
Y2
C5
102
C7
105
C6
105
C3
105
C8
105
1
2
3
D2
C2
2NH
L1
0R
C1
1.2P
1
L+
C9
10P
C10
10P
1
L-
1
B+
1
B-
1
+5V
1
-5V
1
DP
1
DM
1
T1
1
+
2
-
MIC1
DACL
DACR
LED-B/R
L-DET
OSC0
OSCI
OSC0
OSCI
DC5V VBAT
BTAVDD
PWOER_KEY
BTRF
DVDD
DM
DP MIC +3V3
DC5V
VBAT
BTAVDD
+3V3
DVDD
+3V3
LED/B
BTRF
VBAT
DC5V
DACR
DACL
DP
DM
GND
TCH
TCH
MIC-IN
GND
BT_ANT