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K30P144M100SF2_11 Datasheet, PDF (58/72 Pages) Freescale Semiconductor, Inc – Up to 100 MHz ARM Cortex-M4 core with DSP instructions delivering 1.25 Dhrystone MIPS per MHz
Peripheral operating requirements and behaviors
Table 40. I2S master mode timing (continued)
Num
S2
S3
S4
S5
S6
S7
S8
S9
S10
Description
I2S_MCLK pulse width high/low
I2S_BCLK cycle time
I2S_BCLK pulse width high/low
I2S_BCLK to I2S_FS output valid
I2S_BCLK to I2S_FS output invalid
I2S_BCLK to I2S_TXD valid
I2S_BCLK to I2S_TXD invalid
I2S_RXD/I2S_FS input setup before I2S_BCLK
I2S_RXD/I2S_FS input hold after I2S_BCLK
Min.
45%
5 x tSYS
45%
—
-2.5
—
-3
20
0
Max.
55%
—
55%
15
—
15
—
—
—
Unit
MCLK period
ns
BCLK period
ns
ns
ns
ns
ns
ns
I2S_MCLK (output)
I2S_BCLK (output)
I2S_FS (output)
I2S_FS (input)
I2S_TXD
I2S_RXD
S1
S2
S2
S3
S4
S4
S5
S9
S7
S9
S10
S7
S8
S6
S10
S8
Num
S11
S12
S13
S14
S15
S16
S17
58
Figure 27. I2S timing — master mode
Table 41. I2S slave mode timing
Description
Operating voltage
I2S_BCLK cycle time (input)
I2S_BCLK pulse width high/low (input)
I2S_FS input setup before I2S_BCLK
I2S_FS input hold after I2S_BCLK
I2S_BCLK to I2S_TXD/I2S_FS output valid
I2S_BCLK to I2S_TXD/I2S_FS output invalid
I2S_RXD setup before I2S_BCLK
Min.
2.7
8 x tSYS
45%
10
3
—
0
10
Table continues on the next page...
Max.
3.6
—
55%
—
—
20
—
—
Unit
V
ns
MCLK period
ns
ns
ns
ns
ns
K30 Sub-Family Data Sheet Data Sheet, Rev. 4, 3/2011.
Preliminary
Freescale Semiconductor, Inc.