Hardware modifications are listed in
:
Table 25.
Hardware configuration for CS42L51-CNZ I2S-SAI communication bus
Configuration
Signal
name
Pin
name
Setting
I2S6 config
EXT_SD = PB4
I2S6 config
EXT_SD = PA6
SAI
configuration
I2S6_MC
K
PA3
JP9
[1-2]
[1-2]
OFF
R139
ON
ON
OFF
I2S6_CK
PA5
JP11
[1-2]
[1-2]
OFF
R135
ON
ON
I2S6_WS
PA4
JP7
[1-2]
/
DCMI_HSYNC
cannot be used
[1-2]
OFF
R137
ON
ON
I2S6_SD
PB5
JP18
[1-2]
[1-2]
OFF
R136
ON
ON
ULPI_D7
JP16
OFF
OFF
OFF
I2S6_EX
T_SD
PA6
JP6
OFF
[1-2]
OFF
PB4
JP8
[1-2]
OFF
OFF
PA6 or
PB4
R140
ON
ON
SAI1
SAI1_MC
LK_A
PG7
JP14
OFF
OFF
ON
R411
OFF
ON
SAI1_SC
K_A
PE5
JP28
OFF
OFF
ON
R405
ON
SAI1_FS
_A
PE4
JP26
OFF
OFF
ON
R116
SAI1_SD
_A
PE6
JP27
OFF
OFF
ON
R404
ON
SAI1_SD
_B
PE3
JP34
OFF
OFF
ON
R413
ON
R337
1. The default configuration is in bold.
2. Remove to avoid stub if necessary.
Note:
I
2
C address of CS42L51-CNZ is 0x94 (AD0=0).
7.1.4
Interface
A 3.5 mm stereo audio jack CN20 is available on STM32H7B3I-EVAL Evaluation board to support headset
(Headphone and microphone integrated).
A 3.5 mm stereo audio jack CN18 is available on STM32H7B3I-EVAL Evaluation board to support external
speaker.
UM2662
Audio
UM2662
-
Rev 1
page 32/95