SCH07 Bar KEY IA3S4
π 型 网 络 参数 根 据
E S
实 际测整
调
行
进
试
更新
I2S
I2C
Max:70mA@RX Max:100mA@TX
Normal:58mA@RX Max:73mA@TX
Ambient Operating Temperature:0~60
℃
RGB&Driver
R213,R214,C202 need close to the IA3S4
Need close to the IA3S5
Upgrade
WL_LRCK1
WL_BCLK1
WL_DATA1
SCL
1
SDA
1
BUSY1
WL_LRCK1
WL_DATA1
WL_BCLK1
SUB_RST
SCL1
SDA1
BUSY1
SUB_RST
SCL1
SDA1
3.3V
3.3V
3.3V
SUB_LRCLK1
6
SUB_BCLK1
6
SUB_DATA1
6
SUB_RST1
SUB_IIC_BUSY
I2C_wireless_DATA
I2C_wireless_CLK
R323
NC/0
SCL1
R209
33
XP2
4PIN/1.25mm
1
1
2
2
3
3
4
4
GN
D
5
GN
D
6
C203
NC
/1
.2p
F/50
V/N
P0
R201
33
R324
0/NC
C
207
NC
/10pF
/50V
/N
P0
TP1
R202
33
C
205
NC
/10pF
/50V
/N
P0
C
206
NC
/10pF
/50V
/N
P0
R
214
NC
/10K
U1
IA3S4
GPIO1
7
12
EEWP/GPIO
3
11
SC
L
10
SD
A
9
VD
D
8
U
SB
N
7
U
SB
P
6
GPIO1
4
4
GPIO2
5
3
GPIO2
4
2
GPIO33
14
GPIO26
15
GPIO27
16
LRCK
17
DATA
18
SPI_CS
19
BCK
21
MCLK
22
GND
24
RST
23
GPIO3
4
26
GPIO3
5
27
GPIO3/DAT
A
28
GPIO
2
29
OTP_VP
P
31
GPIO
0
32
GPIO
1
33
SPI_CL
K
34
GPIO1
5
35
SPI_DAT
A
36
GN
D
5
GND
20
VD
T_
IN
25
GND
39
ANT
40
GND
41
GND
38
GN
D
1
GN
D
13
GN
D
30
GN
D
37
R203
33
CON201
1
1
2
2
3
3
R210
33
R211
33
R215
0
R
21
3
10K
C204
NC
/1
.2p
F/50
V/N
P0
R212
33
R216
0
Ω
C202
NC/0.1uF/16V/X7R
SDA1
C201 0.1uF/16V/X7R
15
Before Servicing
This Unit
Electrical
Mechanical
Repair Information
Updating