Product Specs

5
6. Schematics diagram
CE
1
BYP
2
+IN
3
-IN
4
VO1
5
VDD
6
GND
7
VO2
8
U3
8002D
SW2
P/P
R25
22K
ADKEY
+3.3V
SP1
4Ω
+5V
R14
30K
C28
105
C29
220uF
PA
KEY
POWER
C30
47uF/25V
C31
470uF/10V
D1
SS24
模式转换
上一曲
(长按主音量加)
SW5
R18
6.2K
下一曲
+5V
R13
6.8K
C27
104
+BAT VCC
Q1
2300
R4
10K
LAMP1
C34
105
VCC
R42
100K
L6 10uH
R44
3.6K
R43
24K
C32
104
C33
1nF
ADKEY
USBDM
USBDP
DACL
C8
105
C9
105
C10
105
DACL
SW4
5V
1
D-
2
D+
3
ID
4
GND
5
USB1
USB_MINI
USBDP
USBDM
+5V
USB
C5
105
3
2
1
4
JK1
JACK
C6
104
MIC
R9
6.8K
BS
1
GND
2
FB
3
EN
4
IN
5
LX
6
U5
RF9885
R17
3K
SW3
R16
0R
功放
+5V
R20
15K
R19
33K
+3.3V
Q2
2300
R5
10K
LAMP2
Q3
2300
R26
10K
LAMP3
LAMP1
LAMP2
LAMP3
LD1
R1
330
LD2
R2
330
LD3
R3
330
R41
51K
R40
200K
BAT_DET
BAT_DET
(长按主音量减)
1
2
JP6
Brake
1
2
JP7
Brake
VCC
PC5/SD1CLKA
1
PC4/SD1CMDA/ADC4
2
PC4/SD1DATA/ADC10
3
USBDM/ADC11
4
USBDP
5
PA0/MIC/PA 4/AU1R/ADC1
6
PA3/AU X1L/ADC0
7
DACL
8
DACVDD
9
VCOM
10
DACVSS
11
VDDI O
12
ADC9/AUX0R/SD0CLKB/PB5
13
ADC8/AUX0L/SD0CMDB/PB4
14
SD0DATB/PB3
15
ADC7/PB1
16
ADC6/PB0
17
VBAT
18
BT_AVDD
19
BT_RF
20
FMIP
21
VSSIO
22
BT_OSCI
23
BT_OSCO
24
U1
AC6925B
C7
9PF
C11
9PF
BT_OSC1
BT_OSC0
E1
ANTEN NA
C12
2.7PF
ANT
C13
105
BT_OSC1
BT_OSC0
BT-1
BT-1
12
3
4
Y1
cry sta l-24MHZ
LED3
DACVDD
DACVDD
C15
105
(在蓝牙/USB/内置音乐之间切换)
CS
1
SO
2
WP
3
VSS
4
VCC
8
HOLD
7
SCK
6
SI
5
U2
W25Q20
+3.3V
R7
240Ω
SPI_CLK
SPI_DAT
FLASH
SPI_CS
SPI_CLK
SPI_DAT
SPI_CS
VDD
1
PA7
2
PA6
3
PA5/P RST
4
PA3
5
PA4
6
PA0
7
GND
8
U6
PMS150C
C35
1uF
LED3
LED2
LED1
LED2
LED1
暂停/播放
鸣笛/长按音量减
下一曲/长按音量加
+3.3V
(在蓝牙/USB/内置音乐之间切换)
NC
R21
2.2K
1
2
3
4
CN1
CN1
Q4
2300
R6
10K
LAMP4
LAMP4
1
2
3
4
5
JP2
CON5
FM
ANTEN NA
C14
106
L2
180nH
C36
105/25V
MIC
R8 0R
7. Structure size chart