Peripheral operating requirements and behaviors
Table 36. I2S/SAI master mode timing in VLPR, VLPW, and VLPS modes
(full voltage range)
Num.
Characteristic
Min.
Max.
Unit
Operating voltage
1.71
62.5
3.6
—
V
S1
S2
S3
S4
S5
I2S_MCLK cycle time
ns
I2S_MCLK pulse width high/low
45%
250
45%
—
55%
—
MCLK period
I2S_TX_BCLK/I2S_RX_BCLK cycle time (output)
I2S_TX_BCLK/I2S_RX_BCLK pulse width high/low
ns
55%
45
BCLK period
ns
I2S_TX_BCLK/I2S_RX_BCLK to I2S_TX_FS/
I2S_RX_FS output valid
S6
I2S_TX_BCLK/I2S_RX_BCLK to I2S_TX_FS/
I2S_RX_FS output invalid
0
—
ns
S7
S8
S9
I2S_TX_BCLK to I2S_TXD valid
I2S_TX_BCLK to I2S_TXD invalid
—
0
45
—
—
ns
ns
ns
I2S_RXD/I2S_RX_FS input setup before
I2S_RX_BCLK
45
S10
I2S_RXD/I2S_RX_FS input hold after I2S_RX_BCLK
0
—
ns
S1
S2
S2
I2S_MCLK (output)
S3
S4
I2S_TX_BCLK/
I2S_RX_BCLK (output)
S4
S5
S6
I2S_TX_FS/
I2S_RX_FS (output)
S10
S9
I2S_TX_FS/
I2S_RX_FS (input)
S7
S8
S7
S8
I2S_TXD
I2S_RXD
S9
S10
Figure 21. I2S/SAI timing — master modes
Table 37. I2S/SAI slave mode timing in VLPR, VLPW, and VLPS modes (full
voltage range)
Num.
Characteristic
Min.
Max.
Unit
Operating voltage
I2S_TX_BCLK/I2S_RX_BCLK cycle time (input)
1.71
250
3.6
—
V
S11
ns
Table continues on the next page...
K10 Sub-Family Data Sheet, Rev. 4 5/2012.
Freescale Semiconductor, Inc.
51
FREESCALE [ Freescale ]
