STM32L-DISCOVERY STMicroelectronics, STM32L-DISCOVERY Datasheet - Page 155

• Manufacturer Part Number: STM32L-DISCOVERY
• Description: BOARD, EVAL, STM32L-DISCOVERY
• Manufacturer: STMicroelectronics
• Series: STM32r
• Type: MCUr

Specifications of STM32L-DISCOVERY

• Kit Contents: Board, Debugger, Programmer And Compiler
• Features: 128KB Flash Plus Multiple Timers, Analogue Peripherals
• Silicon Manufacturer: ST Micro
• Core Architecture: ARM
• Core Sub-architecture: Cortex - M3
• Silicon Core Number: STM32
• Silicon Family Name: STM32F1xx
• Rohs Compliant: Yes
• Contents: Board
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: STM32L
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

STM32F205xx, STM32F207xx
Figure 95. 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 96. 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 6
/(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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