ESP8266 datasheet(81/117 Pages) ESPRESSIF

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10. I2S Module Description

RX FIFO mode

Bits 16~18 of

I2S_FIFO_CONF is used to control the receive data format for

i2s_rx_fifo_mod.

10.2.1.4.Channel Mode

Tx channel mode

Bits 0 ~ 2 in the

I2SCONF_CHAN are used for the Tx channel mode (tx_chan_mod).

Rx channel mode

Bits 3~4 in the

I2SCONF_CHAN are used for the Rx channel mode (rx_chan_mod).

16bits_per_channel half data (single channel, FIFO data organisation, 16 bits data, 16 bits

invalid , 16 bits data)

24bits_per_channel full data discontinue (dual channel, FIFO data organisation, 24 bits data in

the left channel, 8 bits invalid, 24 bits data in the right channel, 8 bits empty)

24bits_per_channel half data discontinue (single channel, FIFO data organisation, 24 bits data,

8 bits invalid, 24 bits data, 8 bits empty)

24bits_per_channel full data continue (left and right channels, FIFO data organisation, 24 bits

data in the left channel, 24 bits data in the right channel)

24bits_per_channel half data continue (single channel, FIFO data organisation, 24 bits data, 24

bits data)

6 ~ 7

Invalid

Value

Description

Value

Description

16bits_per_channel full data

16bits_per_channel half data

24bits_per_channel full data discontinue

24bits_per_channel half data discontinue

4 ~ 7

Invalid

Value

Description

Dual-channel

Right channel (left and right audio channels are used to put the data of the right channel)

Left channel (left and right audio channels are used to put the data of the left channel)

Right channel (put a constant from regﬁle in the left channel)

Left channel (put a constant from regﬁle in the right channel)

Espressif

! /!

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2017.05

ESP8266 Datasheet(PDF) 81 Page - ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD.

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