Table 47. I2S slave mode timing (limited voltage range) Num Description Min. Max" />
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Table 47. I2S slave mode timing (limited voltage range)
Num
Description
Min.
Max.
Unit
Operating voltage
2.7
3.6
V
S11
I2S_BCLK cycle time (input)
8 x tSYS
鈥�
ns
S12
I2S_BCLK pulse width high/low (input)
45%
55%
MCLK period
S13
I2S_FS input setup before I2S_BCLK
10
鈥�
ns
S14
I2S_FS input hold after I2S_BCLK
3
鈥�
ns
S15
I2S_BCLK to I2S_TXD/I2S_FS output valid
鈥�
20
ns
S16
I2S_BCLK to I2S_TXD/I2S_FS output invalid
0
鈥�
ns
S17
I2S_RXD setup before I2S_BCLK
10
鈥�
ns
S18
I2S_RXD hold after I2S_BCLK
2
鈥�
ns
S15
S13
S15
S17
S18
S15
S16
S14
S16
S11
S12
I2S_BCLK (input)
I2S_FS (output)
I2S_FS (input)
I2S_TXD
I2S_RXD
Figure 26. I2S timing 鈥� slave modes
Table 48. I2S master mode timing (full voltage range)
Num
Description
Min.
Max.
Unit
Operating voltage
1.71
3.6
V
S1
I2S_MCLK cycle time
2 x tSYS
ns
S2
I2S_MCLK pulse width high/low
45%
55%
MCLK period
S3
I2S_BCLK cycle time
5 x tSYS
鈥�
ns
S4
I2S_BCLK pulse width high/low
45%
55%
BCLK period
S5
I2S_BCLK to I2S_FS output valid
鈥�
15
ns
S6
I2S_BCLK to I2S_FS output invalid
-4.3
鈥�
ns
S7
I2S_BCLK to I2S_TXD valid
鈥�
15
ns
S8
I2S_BCLK to I2S_TXD invalid
-4.6
鈥�
ns
S9
I2S_RXD/I2S_FS input setup before I2S_BCLK
23.9
鈥�
ns
S10
I2S_RXD/I2S_FS input hold after I2S_BCLK
0
鈥�
ns
Peripheral operating requirements and behaviors
K20 Sub-Family Data Sheet Data Sheet, Rev. 7, 02/2013.
62
Freescale Semiconductor, Inc.
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