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Features: Multimaster operation.
I2C Bus specification version 2.1
2.6 I2S
The Inter-IC sound interface provides a synchronous audio interface (SAI) and is used to connect to audio codecs.
Name | Description |
|---|---|
I2S0_LRCK | I2S0 Left & Right Synchronisation Clock |
I2S0_SDOUT | I2S0 Digital Audio Output |
I2S0_SDIN | I2S0 Digital Audio Input |
I2S0_CK | I2S0 Digital Audio Clock |
I2S2_LRCK | I2S2 Left & Right Synchronisation Clock |
I2S2_SDOUT | I2S2 Digital Audio Output |
I2S2_SDIN | I2S2 Digital Audio Input |
I2S2_CK | I2S2 Digital Audio Clock |
2.7 SD-Card
The SD-Card interface may be used to connect a SD-Card, eMMC or SDIO hardware.
Name | Description |
|---|---|
SDIO_CMD | SDIO command output |
SDIO_CD# | SDIO card detect input |
SDIO_CK | SDIO clk output |
SDIO_PWR_EN_3V3 | SDIO Power enable signal |
SDIO_D0 | SDIO data bit 0 |
SDIO_D1 | SDIO data bit 1 |
SDIO_D2 | SDIO data bit 2 |
SDIO_D3 | SDIO data bit 3 |
Speed: Card bus clock frequency up to 208 MHz
Features: Conforms to the SD Host Controller Standard Specification version 3.0.
Compatible with the MMC System Specification version 4.2/4.3/4.4/4.41/5.0.