K20P144M120SF3_1210 Datasheet, PDF (74/86 Pages) Freescale Semiconductor, Inc – K20 Sub-Family

Peripheral operating requirements and behaviors
Table 53. I2S/SAI slave mode timing in VLPR, VLPW, and VLPS modes (full voltage range)
(continued)
Num.
Characteristic
Min.
Max.
Unit
S13
I2S_TX_FS/I2S_RX_FS input setup before
I2S_TX_BCLK/I2S_RX_BCLK
30
—
ns
S14
I2S_TX_FS/I2S_RX_FS input hold after
I2S_TX_BCLK/I2S_RX_BCLK
3
—
ns
S15
I2S_TX_BCLK to I2S_TXD/I2S_TX_FS output valid —
63
ns
S16
I2S_TX_BCLK to I2S_TXD/I2S_TX_FS output invalid 0
—
ns
S17
I2S_RXD setup before I2S_RX_BCLK
30
—
ns
S18
I2S_RXD hold after I2S_RX_BCLK
2
—
ns
S19
I2S_TX_FS input assertion to I2S_TXD output valid¹ —
72
ns
1. Applies to first bit in each frame and only if the TCR4[FSE] bit is clear
I2S_TX_BCLK/
I2S_RX_BCLK (input)
I2S_TX_FS/
I2S_RX_FS (output)
I2S_TX_FS/
I2S_RX_FS (input)
I2S_TXD
I2S_RXD
S11
S12
S15
S13
S19
S15
S12
S15
S16
S17
S18
S16
S14
S16
Figure 37. I2S/SAI timing — slave modes
6.9 Human-machine interfaces (HMI)
6.9.1 TSI electrical specifications
Table 54. TSI electrical specifications
Symbol
V_DDTSI
C_ELE
f_REFmax
f_ELEmax
Description
Operating voltage
Target electrode capacitance range
Reference oscillator frequency
Electrode oscillator frequency
Min.
1.71
1
—
—
Typ.
—
20
8
1
Table continues on the next page...
Max.
3.6
500
15
1.8
Unit
V
pF
MHz
MHz
Notes
1
2, 3
2, 4
K20 Sub-Family Data Sheet, Rev. 4, 10/2012.
74
Freescale Semiconductor, Inc.