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STM32H562II Datasheet(PDF) 57 Page - STMicroelectronics |
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STM32H562II Datasheet(HTML) 57 Page - STMicroelectronics |
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57 / 270 page  DS14258 Rev 5 57/270 STM32H562xx and STM32H563xx Functional overview 62 • Configurable behavior at slave underrun condition (support of cascaded circular buffers) • Wake-up from Stop capability • Optional status pin RDY signalizing the slave device ready to handle the data flow. Three standard I2S interfaces (multiplexed with SPI1, SPI2 and SPI3) are available. They can be operated in Master or Slave mode, in full-duplex communication modes, and can be configured to operate with configurable resolution as input or output channel. I2S main features: • Full duplex communication • Simplex communication (only transmitter or receiver) • Master or slave operations • 8-bit programmable linear prescaler • Data length may be 16, 24 or 32 bits • Channel length can be 16 or 32 in master, any value in slave • Programmable clock polarity • Error flags signaling for improved reliability: Underrun, Overrun, and Frame Error • Embedded Rx and TxFIFOs • Supported I2S protocols: – I2S Philips standard – MSB-Justified standard (left-justified) – LSB-Justified standard (right-justified) – PCM standard (with short and long frame synchronization) • Data ordering programmable (LSb or MSb first) • DMA capability for transmission and reception • Master clock can be output to drive an external audio component. The ratio is fixed at 256 x FWS (where FWS is the audio sampling frequency) 3.39 Serial audio interface (SAI) The devices embed two SAIs. Refer to Table 11 for the features implementation. The SAI bus interface handles communications between the MCU and the serial audio protocol. Table 10. SPI features Feature SPI1, SPI2, SPI3 (full feature set instances) SPI4, SPI5, SPI6 (full feature set instances) Data size Configurable from 4- to 32-bit Configurable from 4- to 16-bit CRC computation CRC polynomial length configurable from 5- to 33-bit CRC polynomial length configurable from 5- to 17-bit Size of FIFOs 16x 8-bit 8x 8-bit Number of transfered data Up to 65535 I2S feature Yes No |
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