UM2198
Electrical schematics
DocID030511 Rev 1
53/69
Figur
e 25. Au
dio
51
7
Audio
MB1246
B.2
6/20/2017
Title:
Size:
Reference:
Date:
Sheet:
of
A4
Revision:
STM32H7x3I-EVAL
P
roject:
SAI1_SCKA
2
6
4
3
CN17
P
J3028B-3
Default
I2C
Address:0011010
PE6
ADCDAT1
F2
ADCLR
C
L
K
1/GPI
O
1
G3
AGND
D6
CPVDD
G9
CPVOUTN
H7
CPVOUTP
G7
CS/ADDR
G2
DACDAT1
E4
CPGND
H9
DCVDD
F1
DBVDD
D2
DGND
E2
CPCB
H8
AVDD1
D9
BCLK
1
G1
C
IF
MODE
A4
CPCA
G8
DMICCLK
C6
AGND
E7
AGND
E8
AVDD2
D8
G
P
IO2/MCLK
2
E1
G
P
IO3/BCLK
2
H2
G
P
IO4/LRCLK
2
F4
G
P
IO5/DACDAT2
H3
G
P
IO6/ADCLRCLK
2
G4
G
P
IO7/ADCDAT2
E5
G
P
IO8/DACDAT3
H4
G
P
IO9/ADCDAT3
F5
G
P
IO10/LRCLK
3
H5
G
P
IO11/BCLK
3
F6
HP
2GND
F7
H
P
OUT1FB
G5
H
P
OUT1L
H6
H
P
OUT1R
G6
HP
OUT2N
F9
HPOUT2P
F8
IN1LN
D7
IN1LP
C8
IN1RN
B7
IN1RP
C7
IN
2
L
N/DMICDAT1
B9
IN
2
L
P
/VRXN
B8
IN2RN/DMICDAT2
A9
IN2RP/VRXP
A8
L
DO1ENA
D4
L
DO1VDD
E9
L
DO2ENA
D5
L
DO2VDD
D1
L
INEOUT1N
C5
L
INEOUT1P
B5
L
INEOUT2N
C4
L
INEOUT2P
B4
L
INEOUTFB
A6
L
RCLK
1
E3
MCLK
1
D3
M
ICBIAS1
A7
M
ICBIAS2
B6
REFG
N
D
A5
SCLK
H1
SDA
F3
SPK
GND1
A1
SPK
GND2
C1
SPK
MODE
A3
S
P
K
OUTLN
B1
S
P
K
OUTLP
A2
SPK
OUTRN
C3
SPK
OUTRP
B3
SPK
VDD1
B2
SPK
VDD2
C2
VMID
C
C9
VREFC
E6
U22
WM8994ECS/R
C75
100nF
C68
100nF
+3V3
+1V8
+3V3
SAI1_FS
A
S
A
I1_SDA
SAI1_SDB
PE5
PE4
PE3
Audio_IN
T
C77
1uF
I2C1_SDA
I2C1_SCL
PB7
PB6
SAI1_MCLK
A
PG7
R168
2
K
2
C64
100nF
C65
100nF
R151
20
R152
20
C
6
2
2.2uF
C
6
1
2.2uF
C
6
3
2.2uF
3
2
1
JP1
2
MICBIAS1
+3V3
C95
100nF
D
F
SDM_CLK
time
slot1
of
SAI
time slot0
of
SAI
D
F
SDM_DATA1
PC3
+3V3
C70
100nF
+1V8
+3V3
+1V8
C72
100nF
C96
100nF
To
MFX
R163
[N/A]
+3V3
MFX_GPIO5
R157
4
K
7
R206
1
0
K
C60
1
u
F
C69
1uF
C73
1uF
C79
4.7uF
C71
4.7uF
C74
4.7uF
C80
4.7uF
C83
4.7uF
C84
4.7uF
PC2
R160
0
R155
0
R149
180
R158
1K
R156
180
C66
4.7uF
C55
4.7uF
2
6
4
3
CN19
P
J3028B-3
R145
0
R148
0
R131
[N/A]
R147
1K
GND
5
DOUT
4
CLK
3
VDD
1
LR
2
U26
MP34DT01TR
GND
5
DOUT
4
CLK
3
VDD
1
LR
2
U27
MP34DT01TR
M
IC_DATA
M
IC_CLK
MIC_
VDD
SB54
Closed
SB55
Closed
LEFT
RIGHT
Coupon
connectors
M
IC_DATA
M
IC_VDD
R207
1
0
K
M
IC_VDD
LEFT
RIGHT
VDD
4
LR
5
NC
6
DATA
1
GND
2
CLK
3
CN26
Coupon
Connectors
VDD
4
LR
5
NC
6
DATA
1
GND
2
CLK
3
CN25
Coupon
Connectors
M
IC_CLK
M
IC_DATA
M
IC_CLK
7
5
8
3
2
1
4
6
SW2
M
S
-23D18
P
DM1_CLK
1
P
DM1_D1
PE2
PC1
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