K30P121M100SF2 Datasheet, PDF (51/61 Pages) Freescale Semiconductor, Inc – Up to 100 MHz ARM Cortex-M4 core with DSP instructions delivering 1.25 Dhrystone MIPS per MHz

Num
S2
S3
S4
S5
S6
S7
S8
S9
S10
Peripheral operating requirements and behaviors
Table 39. _I²_{S master mode timing (continued)}
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 t_SYS
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
Figure 24. I²S timing — master mode
Num
S11
S12
S13
S14
S15
S16
S17
Table 40. _I²_{S 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 t_SYS
45%
10
3
—
0
10
Table continues on the next page...
K30 Sub-Family Data Sheet Data Sheet, Rev. 4, 3/2011.
Freescale Semiconductor, Inc.
Preliminary
Max.
3.6
—
55%
—
—
20
—
—
Unit
V
ns
MCLK period
ns
ns
ns
ns
ns
51