Schematics

1
1
2
2
3
3
4
4
D D
C C
B B
A A
Y1
26MHZ
GND
OSCO
OSCI
upDate1
VDDD AC
C6 10 5
DACL# DACL MICIN
C4
1 0 uF
VDDBT
GND
PWRKEY
L3
NC
L2
1.8PF
L4
NC
GND
C5
105
GND
VUSB
VDDIO
VBAT
C3 2 2 5
C2 1 0 5
GND
L1
10u H
VDDBT
BLUE_LED
GND
GND
D2 RED
D1 BLUE
CHRG_LED
BLUE_LED
CHRG_LED
SPK+
SPK-
DACL#
DACL
C8
NC
C7
NC
L5
0R
L6
0R
GND
GND
GND
GND
+
M1
GND
VDDBT
10
VDDBT
7
PWRKEY
8
LX
5
DGND
6
VBAT
4
VUSB
2
DACL
18
ADC10/MIC/P F2
16
BT_OSCI
11
BT_OSCO
12
BT_ANT
9
VDDIO
3
VDDD AC
19
AGND
1
RFGND
0
VCMBUF
17
NC
20
ADC6/PB4
13
ADC5/PB3
14
ADC2/PA7
15
U1
AB5616A3
PWRKEY
Tou ch
C9
NC
GND
VUSB
Battery
GND
VBAT
GND
2.4G Antenna
GND
R3
0R