Schematics
UM20
36
6
2/8
D
ocID029
088 Re
v 3
Figure 29. STM32F779I-EVAL Audio
5
17
Audio
MB1219
B.1
2016/4/26
Title:
Size:
Reference:
Date:
Sheet:
of
A4
Revision:
STM32F779I-EVAL
Project:
SAI2_SCKB
2
6
4
3
CN28
PJ3028B-3
Default I2C Address:0011010
PA0
ADCDAT1
F2
ADCLRCLK1/GPIO1
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
BCLK1
G1
CIFMODE
A4
CPCA
G8
DMICCLK
C6
AGND
E7
AGND
E8
AVDD2
D8
GPIO2/MCLK2
E1
GPIO3/BCLK2
H2
GPIO4/LRCLK2
F4
GPIO5/DACDAT2
H3
GPIO6/ADCLRCLK2
G4
GPIO7/ADCDAT2
E5
GPIO8/DACDAT3
H4
GPIO9/ADCDAT3
F5
GPIO10/LRCLK3
H5
GPIO11/BCLK3
F6
HP2GND
F7
HPOUT1FB
G5
HPOUT1L
H6
HPOUT1R
G6
HPOUT2N
F9
HPOUT2P
F8
IN1LN
D7
IN1LP
C8
IN1RN
B7
IN1RP
C7
IN2LN/DMICDAT1
B9
IN2LP/VRXN
B8
IN2RN/DMICDAT2
A9
IN2RP/VRXP
A8
LDO1ENA
D4
LDO1VDD
E9
LDO2ENA
D5
LDO2VDD
D1
LINEOUT1N
C5
LINEOUT1P
B5
LINEOUT2N
C4
LINEOUT2P
B4
LINEOUTFB
A6
LRCLK1
E3
MCLK1
D3
MICBIAS1
A7
MICBIAS2
B6
REFGND
A5
SCLK
H1
SDA
F3
SPKGND1
A1
SPKGND2
C1
SPKMODE
A3
SPKOUTLN
B1
SPKOUTLP
A2
SPKOUTRN
C3
SPKOUTRP
B3
SPKVDD1
B2
SPKVDD2
C2
VMIDC
C9
VREFC
E6
U20
WM8994ECS/R
C77
100nF
C68
100nF
+3V3
+1V8
+3V3
SAI2_FSB
SAI2_SDB
SAI1_SDA
PA2
PG9
PC1
Audio_INT
C64
1uF
I2C1_SDA
I2C1_SCL
PB9
PB8
SAI2_MCLKB
PE6
R164
2K2
C75
100nF
C76
100nF
R165
20
R166
20
C72
2.2uF
C70
2.2uF
C74
2.2uF
3
2
1
JP22
3
2
1
JP23
3
2
1
JP24
MICBIAS1
+3V3
C87
100nF
DFSDM_CLK
time slot1 of SAI
ti
m
e
sl
o
t0
of
SAI
DFSDM_DATA1
PD6
+3V3
C78
100nF
+1V8
+3V3
+1V8
C80
100nF
C8
8
100nF
To MFX
R173[N/A]
+3V3
MFX_GPIO5
R170
4K7
R192
10K
C69
1uF
C81
1uF
C67
1uF
C79
4.7uF
C66
4.7uF
C65
4.7uF
C63
4.7uF
C71
4.7uF
C73
4.7uF
PD3
+3V3
SPDIF_OUT
PG12
GND
2
Vout
1
Vcc
3
CN29
DLR11H0
R172
0
R206
0
R174
0
R175
0
R193
180
GND
R220
1K
R221
180
GND
GND
C98
4.7uF
C89
4.7uF
2
6
4
3
CN27
PJ3028B-3
R223
0
R222
0
GND
GND
R225
[N/A]
R194
1K
GND
5
DOUT
4
CLK
3
VDD
1
LR
2
U25
MP34DT01TR
GND
5
DOUT
4
CLK
3
VDD
1
LR
2
U24
MP34DT01TR
Coupon connectors
MIC_DATA
MIC_CL
K
MIC_DATA
MIC_VDD
MIC_VDD
R191
10K
MIC_VDD
C95
100nF
Close to connector
Less than 7mm
C96
30pF
SB79
Closed
SB78
Closed
LEFT
RIGHT
LEFT
RIGHT
VDD
4
LR
5
NC
6
DATA
1
GND
2
CLK
3
CN25
Coupon Connectors
VDD
4
LR
5
NC
6
DATA
1
GND
2
CLK
3
CN24
Coupon Connectors
MIC_CLK
MIC_DATA
MIC_CLK
SPDIF connector