1
1
2
2
3
3
4
4
5
5
6
6
D D
C C
B B
A A
Title
Number RevisionSize
B
Date: 2017/10/15 星期日 Sheet of
File: D:\深圳开始文档\..\JQ8400-FL语音模块原理图.SchDocDrawn By:
P01/SD_DAT
1
P00/SD_CMD
2
P35/SD_CLK
3
P02
4
USBDM
5
USBDP
6
VCOM
7
AGND
8
DACL
9
DACR
10
3.3V
11
VMCU
12
GND
13
P24
14
P25
15
VPP
16
A2
JQ8400-FL
CS
1
SO
2
WP
3
GND
4
SI
5
SCK
6
HOLD
7
VCC
8
A1
W25QXX
SPI_CS
SPI_DO
SPI_SCK
SPI_DIO
3.3V
3.3V
R1
100R
SPI_DO SPI_DIO
SPI_DIO
SPI_SCK
SPI_CS
BUSY
USB_DM
USB_DP
C0
105
ONELINE
RX
TX
3.3V
DACR
DACL
R0
330R
BUSY
1
1
2
2
D2
LED
R3
47k
VMCU
SHUTDOWN/
1
BYPASS
2
IN+
3
IN-
4
VO1
5
VDD
6
GND
7
VO2
8
U2
8002A
R2 20K
SPK+
SPK-
C7
105
C3
105
C1
104
C2
106
USB
D1
SS14
GND
NC
DP
DM
VCC
5
1
2
3
4
67
8 9
USB1
主控芯片 SPI FLASH
功放IC
C8
105
C9105
DACR
USB_DM
USB_DP
VCC+5.0
VCC+5.0
1
2
3
4
5
6
7
8
9
10
P?
模块管脚
ONELINE
BUSY
RX
TX
DC_IN
DC_IN
DACR
DACL
SPK-
SPK+
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