ST STM32H7B3I-EVAL User Manual

Hardware modifications are listed in Table 25:
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
(1)
I2S6_MC
K
PA3
JP9 [1-2] [1-2] OFF
R139 ON ON
OFF
(2)
I2S6_CK PA5
JP11 [1-2] [1-2] OFF
R135 ON ON
OFF
(2)
I2S6_WS PA4
JP7
[1-2] /
DCMI_HSYNC
cannot be used
[1-2] OFF
R137 ON ON
OFF
(2)
I2S6_SD
PB5
JP18 [1-2] [1-2] OFF
R136 ON ON
OFF
(2)
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
OFF
(2)
SAI1
SAI1_MC
LK_A
PG7
JP14 OFF OFF ON
R411
OFF
(2)
OFF
(2)
ON
SAI1_SC
K_A
PE5
JP28 OFF OFF ON
R405
OFF
(2)
OFF
(2)
ON
SAI1_FS
_A
PE4
JP26 OFF OFF ON
R116
OFF
(2)
OFF
(2)
OFF
(2)
SAI1_SD
_A
PE6
JP27 OFF OFF ON
R404
OFF
(2)
OFF
(2)
ON
SAI1_SD
_B
PE3
JP34 OFF OFF ON
R413
OFF
(2)
OFF
(2)
ON
R337
OFF
(2)
OFF
(2)
OFF
(2)
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

ST STM32H7B3I-EVAL Specifications

General

Brand	ST
Model	STM32H7B3I-EVAL
Category	Motherboard
Language	English