Information

S1 S2 S2

S9 S10

S10

I2S_MCLK (output)

I2S_TX_BCLK/

I2S_RX_BCLK (output)

I2S_TX_FS/

I2S_RX_FS (output)

I2S_TX_FS/

I2S_RX_FS (input)

I2S_TXD

I2S_RXD

Figure 21. I2S/SAI timing — master modes

Table 39. I2S/SAI slave mode timing in VLPR, VLPW, and VLPS modes (full

voltage range)

Num. Characteristic Min. Max. Unit

Operating voltage 1.71 3.6 V

S11 I2S_TX_BCLK/I2S_RX_BCLK cycle time (input) 250 — ns

S12 I2S_TX_BCLK/I2S_RX_BCLK pulse width high/low

(input)

45% 55% MCLK period

S13 I2S_TX_FS/I2S_RX_FS input setup before

I2S_TX_BCLK/I2S_RX_BCLK

30 — ns

S14 I2S_TX_FS/I2S_RX_FS input hold after

I2S_TX_BCLK/I2S_RX_BCLK

3 — ns

S15 I2S_TX_BCLK to I2S_TXD/I2S_TX_FS output valid — 63 ns

S16 I2S_TX_BCLK to I2S_TXD/I2S_TX_FS output invalid 0 — ns

S17 I2S_RXD setup before I2S_RX_BCLK 30 — ns

S18 I2S_RXD hold after I2S_RX_BCLK 2 — ns

S19

I2S_TX_FS input assertion to I2S_TXD output valid

— 72 ns

1. Applies to first bit in each frame and only if the TCR4[FSE] bit is clear

Peripheral operating requirements and behaviors

K20 Sub-Family Data Sheet, Rev. 4 5/2012.

Freescale Semiconductor, Inc. 53