User's Manual

B426-AB1510
Stereo Speaker Module For Intensive Audio Applications
B426-AB1510 Stereo Speaker Module for Intensive
Audio Applications Page 8 of 17 CONFIDENTIAL
Specification
Version 0.40 Sep-2015
PIO16 is for SPI_MISO usage
PIO17 is for SPI_CLK usage
(CLK)
(CSN)
C21
0.1uF
SPI Flash
(MOSI)
R67
4.7k Ohm
U8
NC/MX25L512E0C-20
#CS
1
SO
2
#WP
3
GND
4
SI
5
SCLK
6
HOLD#
7
VCC
8
R68
4.7K Ohm
PIO15
PIO16
PIO14
(MISO)
PIO17
VCCIO
Note:
R7
0ohm/NC
R8
NC/0ohm
If R7=0 Ohm, R8=NC, then the VCCIO=VREGOUT_HV (3.3V)
If R7=NC, R8=0 Ohm,then the VCCIO=VREGOUT_MV (1.8V)
VREGOUT_HV
VREGOUT_MV
PIO 14 is for SPI_CSN usage
VCCIO
R69
300ohm
PIO15 is for SPI_MOSI usage
The input signal of Line-in path (enter to chip) should be< 0.6 Vrms
The internal input impedance of LINE_IN_L(/LINE_IN_R) is 10Kohm
R164
240K
C158
0.1uF
LINE_IN_L
PIO11
R130 7.5K
R132 7.5K
J32
PJ320D-D4S4A-02
1
2
3
4
C159
470pF
Line-IN
C160
470pF
C161
1uF
R126
0ohm
LINE_IN_R
C162
1uF
R163
240K
The seriers resistors 7.5Kohm of R130 and R132 are used for 1 Vrms input signal
NFC
WAKE
D7
BAS516
D6
BAS516
R2
100 ohm
R1
1M ohm
R3
100 ohm
C6
0.1uF
Q1
2N7002KW
R4
10k ohm
Q2
2N7002KW
JP4
1 2
NFC_L2b
BATP WAKE
VCC_IO
R169
0 Ohm
NFC_L1b
PIO6
BATP VCC_IO
Power on/off
1 、
、、
、 Press Button
Power on
WAKE
Power off
≥3s
....
≥3s
....
2 、
、、
、 Slide Switch
3 second later,then Power on
WAKE
always low
Power off at once
WAKE
R91 470 Ohm
D3
Blue LED / SMD
12
PIO12
D2
Blue LED / SMD
12
LED1
LED0
D1
Red LED / SMD
12
LED
BAT_IN
R112 1 KOhm
VREGOUT_HV
TCB Connector
for MP
download and
calibration
PIO7
BAT_IN
J15
HEADER 9
1
2
3
4
5
6
7
8
9
VCHG_IN
UART_RX
RESET
SDA
WAKE
UART_TX