K50P100M100SF2V2 Datasheet, PDF (71/79 Pages) Freescale Semiconductor, Inc – K50 Sub-Family

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
S12
S15
S13
S19
S15
S17
S16
S18
Peripheral operating requirements and behaviors
S16
S14
S15
S16
Figure 30. I2S/SAI timing — slave modes
6.9 Human-machine interfaces (HMI)
6.9.1 TSI electrical specifications
Table 56. TSI electrical specifications
Symbol Description
V_DDTSI Operating voltage
C_ELE Target electrode capacitance range
f_REFmax Reference oscillator frequency
f_ELEmax Electrode oscillator frequency
C_REF Internal reference capacitor
V_DELTA Oscillator delta voltage
I_REF Reference oscillator current source base current
• 2 μA setting (REFCHRG = 0)
• 32 μA setting (REFCHRG = 15)
I_ELE Electrode oscillator current source base current
• 2 μA setting (EXTCHRG = 0)
• 32 μA setting (EXTCHRG = 15)
Pres5 Electrode capacitance measurement precision
Pres20 Electrode capacitance measurement precision
Pres100 Electrode capacitance measurement precision
MaxSens Maximum sensitivity
Res Resolution
T_Con20 Response time @ 20 pF
I_{TSI_RUN} Current added in run mode
I_{TSI_LP} Low power mode current adder
Min.
1.71
1
—
—
—
—
—
—
—
—
—
—
—
0.008
—
8
—
—
Typ.
—
20
8
1
1
500
2
36
2
36
8.3333
8.3333
8.3333
1.46
—
15
55
1.3
Max.
3.6
500
15
1.8
—
—
3
50
3
50
38400
38400
38400
—
16
25
—
2.5
Unit
V
pF
MHz
MHz
pF
mV
μA
μA
fF/count
fF/count
fF/count
fF/count
bits
μs
μA
μA
Notes
1
2, 3
2, 4
2, 5
2, 6
2, 7
8
9
10
11
12
13
K50 Sub-Family Data Sheet, Rev. 1, 6/2012.
Freescale Semiconductor, Inc.
Preliminary
71
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