Schematics

D
C
B
A
123456
A
B
C
D
654321
Title
File:
Date:
Size Number
Sheet of
Drawn By:
Revision
POWER/M
PREV/V- NEXT/V+
ih{ZU^}
olz[^ZotkTi{TZ\G}XUWXy^
GPIO(1) GPIO(2)
DACOUT-LN
DACOUT-LP
DACOUT-RP
DACOUT-RN
AD-KEY
VBAT+
VCHG(1)
DACOUT-LN
DACOUT-LP
DACOUT-RP
DACOUT-RN
V-BUCK- FB
V-BUCK- FB
MIC- BIAS
RX
TX
AD-KEY
VCHG(1)
0,&
駁ꈭ0,&餒꿍麕돁
D1
LEDR
D2
LEDB
Micro
GND
ID
D+
D-
VBUS
1
2
3
4
5
USB1
GPIO(1)
AVDD_RF
MICA- IN MICA- P/ GPIO(10)
DACOUT-LP
DACOUT-LN
AVDD-CODEC MIC- BIAS MICB- IN/ MICA- N/
DACOUT-RN
DACOUT-RP
VCHG
VBAT
LED-CHG
VBUCK-SW
XTAL1 XTAL2
AVDD_PA
VBUCK-FB
DVDD
BT_ANT
VMEM
GPIO(11)
KEYSENSE/GPIO(0)
PWRKEY-N/GPIO(3)
GPIO(2)
1
2
3
4
5
6
7 8 9
10 11 12
13
14
15
16
17
18
19 20 21 22 23 24
U1
1
L+
S1 S2
S3
yX
Yr
yY
2K
1
B+
jZ
225
j]
QF
L1
4.7uH/0603
jX
Xm
j[
104
1TX 1RX
13
Y1
26M 3225/M49S
j\
3)
j^
5
j_
1&
C11
104
1
GND
1
ANT
1
iT
1
R+
1
sT
1
yT
R7
2.2R
+
2
1
&
1uF
C0402
5
1.5K
R0402
5
1K
R0402
&
100nF
C0402
&
100nF
C0402
5
1K
R0402
5
1.5K
R0402
R8
2.2R
jXY
104
jXZ
Q+
GPIO1
GPIO2
DACOUT-LN
DACOUT-LP
DACOUT-RP
DACOUT-RN
AD-KEY
VBAT+
VCHG
DACOUT-LN
DACOUT-LP
DACOUT-RP
DACOUT-RN
V_BUCK_FB
V_BUCK_FB
MIC_BIAS
RX
TX
GPIO1
GPIO2
AD-KEY
VCHG
VBAT+
MIC_BIAS
5;
TX