ST STM32F746NGH6 Manual page 6

3V3
R47 10K
U20 RIGHT
2 1
LR VDD
3
CLK
4 5
DOUT GND
IMP34DT05TR
U21 LEFT
2 1
LR VDD
3
CLK
4 5
DOUT GND
IMP34DT05TR
First Stage
R9
RCA in Yellow for SPDIF input
1M
3V3
CN1
2 C6 R7 2
22nF 100
1 R6
75
RCA_SMD
1V8
R87
3V3
10K
C89
1uF
MIC_CLK
SAI2_SCKA
SAI2_FSA
SAI2_SDA
SAI2_SDB
Audio_INT
Jack in blue
CN11
3
6 Left C107
1uF
4 Right
2
PJ3028B-3_BE
C106
1uF
MIC_DATA
MIC_VDD
Second Stage
R8
[NA]
Very close to Output pin 4
of first stage
U1
4 C9 R10
22nF 100
74LVC1G04SE
3V3
C4 C7
100nF 100nF
U11
E9 D6
LDO1VDD AGND
D9 E7
AVDD1 AGND
B2 E8
SPKVDD1 AGND
C2 A1
SPKVDD2 SPKGND1
D8 C1
AVDD2 SPKGND2
G9 H9
CPVDD CPGND
F1 E2
DCVDD DGND
D2 F7
DBVDD HP2GND
D1
LDO2VDD
F3
SDA
D4 H1
LDO1ENA SCLK
D5 G2
LDO2ENA CS/ADDR
E6 A4
VREFC CIFMODE
D3
MCLK1
C6 E1
DMICCLK GPIO2/MCLK2
G1 A3
BCLK1 SPKMODE
E3 A5
LRCLK1 REFGND
E4
DACDAT1
F2 A7
ADCDAT1 MICBIAS1
G3 B6
ADCLRCLK1/GPIO1 MICBIAS2
C9
VMIDC
H2 F9
GPIO3/BCLK2 HPOUT2N
F4 F8
GPIO4/LRCLK2 HPOUT2P
H3
GPIO5/DACDAT2
E5 G5
GPIO7/ADCDAT2 HPOUT1FB
G4 G6
GPIO6/ADCLRCLK2 HPOUT1R
H6
HPOUT1L
F6
GPIO11/BCLK3
H5
GPIO10/LRCLK3
H4
GPIO8/DACDAT3
F5 C5
GPIO9/ADCDAT3 LINEOUT1N
B5
LINEOUT1P
C8 C4
IN1LP LINEOUT2N
D7 B4
IN1LN LINEOUT2P
A6
LINEOUTFB
B8
IN2LP/VRXN
B9
IN2LN/DMICDAT1
B1
SPKOUTLN
C7 A2
IN1RP SPKOUTLP
B7
IN1RN
C3
SPKOUTRN
A8 B3
IN2RP/VRXP SPKOUTRP
A9
IN2RN/DMICDAT2
G8
CPCA
H8
CPCB
H7
CPVOUTN
G7
CPVOUTP
WM8994ECS/R
R22
1M
3V3
U2
2 4
SPDIF_RX0
74LVC1G04SE
Default I2C Address : 00110100
R83 0
AUDIO_SDA
R76 0
AUDIO_SCL
R80 [NA]
3V3
SAI2_MCLKA
C105 C88
4.7uF 4.7uF
Right
Left
R121 R102
20 20
JP4
SPK Left
JP3
SPK Right
C87 2.2uF
C80 2.2uF
C78 2.2uF
TP_PH15
TP_PH15
TP3
Title: Audio Codec WOLFSON and connectors
Project: STM32F746G-DISCO
Variant: F746NGH6
Revision: C 01 -
Size: A4 Date: 17/07/2019
Jack out Green
CN10
2
4
6
3
PJ3028B-3_GR
Reference: MB1191
Sheet: 6 of 14