STM32U595AI datasheet(90/377 Pages) STMICROELECTRONICS

90 / 377 page

Functional overview

STM32U59xxx

90/377

DS13633 Rev 1

•

Peripheral with large configurability and flexibility allowing to target as example the

following audio protocol: I2S, LSB or MSB-justified, PCM/DSP, TDM, AC’97 and

SPDIF out

•

Up to 16 slots available with configurable size and with the possibility to select which

ones are active in the audio frame

•

Number of bits by frame may be configurable

•

Frame synchronization active level configurable (offset, bit length, level)

•

First active bit position in the slot is configurable

•

LSB first or MSB first for data transfer

•

Mute mode

•

Stereo/mono audio frame capability

•

Communication clock strobing edge configurable (SCK)

•

Error flags with associated interrupts if enabled respectively

–

Overrun and underrun detection

–

Anticipated frame synchronization signal detection in Slave mode

–

Late frame synchronization signal detection in Slave mode

–

Codec not ready for the AC’97 mode in reception

•

Interruption sources when enabled:

–Errors

–

FIFO requests

•

DMA interface with two dedicated channels to handle access to the dedicated

integrated FIFO of each SAI audio sub-block.

3.50

Secure digital input/output and MultiMediaCards interface

(SDMMC)

The SDMMC (SD/SDIO embedded MultiMediaCard e•MMC™ host interface) provides

an interface between the AHB bus and SD memory cards, SDIO cards and e•MMC devices.

The MultiMediaCard system specifications are available through the MultiMediaCard

association website at www.mmca.org, published by the MMCA technical committee.

Table 23. SAI implementation

SAI features(1)

1. X: supported

SAI1

SAI2

I2S, LSB or MSB-justified, PCM/DSP, TDM, AC’97

Mute mode

Stereo/mono audio frame capability.

16 slots

Data size configurable: 8-, 10-, 16-, 20-, 24-, 32-bit

FIFO size

X (8 words)

SPDIF

PDM

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