STM32F205XX_12 STMICROELECTRONICS [STMicroelectronics], STM32F205XX_12 Datasheet - Page 163

• Manufacturer Part Number: STM32F205XX_12
• Description: ARM-based 32-bit MCU, 150DMIPs, up to 1 MB Flash/128+4KB RAM
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

STM32F20xxx
Figure 94. Master clock (MCK) used to drive the external audio DAC
1. I2S_SCK is the I2S serial clock to the external audio DAC (not to be confused with I2S_CK).
Figure 95. Master clock (MCK) not used to drive the external audio DAC
1. I2S_SCK is the I2S serial clock to the external audio DAC (not to be confused with I2S_CK).
I2S_CK
I2SCOM_CK
2,3,4,..,129
/I2SD
I2S controller
for 16-bit stereo
for 32-bit stereo
I2S controller
/8
/4
/I2SD
Doc ID 15818 Rev 9
/(2 x 16)
/(2 x 32)
for 16-bit stereo
for 32-bit stereo
F
F
SAUDIO
SAUDIO
/(2 x 16)
/(2 x 32)
I2S_MCK = 256 × F
I2S_SCK
= 11.2896 MHz for F
= 12.2880 MHz for F
F
F
SAUDIO
SAUDIO
Application block diagrams
(1)
= I2S_MCK/8 for 16-bit stereo
= I2S_MCK/4 for 32-bit stereo
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I2S_SCK
SAUDIO
SAUDIO
SAUDIO
= 44.1 kHz
(1)
= 48.0 kHz
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