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K10P144M100SF2_11 Datasheet, PDF (58/71 Pages) Freescale Semiconductor, Inc – Up to 100 MHz ARM Cortex-M4 core with DSP instructions delivering 1.25 Dhrystone MIPS per MHz | |||
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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%
â
-2.5
â
-3
20
0
Max.
55%
â
55%
15
â
15
â
â
â
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 â 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
â
0
10
Table continues on the next page...
Max.
3.6
â
55%
â
â
20
â
â
Unit
V
ns
MCLK period
ns
ns
ns
ns
ns
K10 Sub-Family Data Sheet Data Sheet, Rev. 4, 3/2011.
Preliminary
Freescale Semiconductor, Inc.
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