MK60DN256ZVMD10 FREESCALE [Freescale Semiconductor, Inc], MK60DN256ZVMD10 Datasheet - Page 67

• Manufacturer Part Number: MK60DN256ZVMD10
• Description: K60 Sub-Family Data Sheet
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

1. The TSI module is functional with capacitance values outside this range. However, optimal performance is not guaranteed.
2. CAPTRM=7, DELVOL=7, and fixed external capacitance of 20 pF.
3. CAPTRM=0, DELVOL=2, and fixed external capacitance of 20 pF.
4. CAPTRM=0, EXTCHRG=9, and fixed external capacitance of 20 pF.
5. The programmable current source value is generated by multiplying the SCANC[REFCHRG] value and the base current.
6. The programmable current source value is generated by multiplying the SCANC[EXTCHRG] value and the base current.
7. Measured with a 5 pF electrode, reference oscillator frequency of 10 MHz, PS = 128, NSCN = 8; Iext = 16.
8. Measured with a 20 pF electrode, reference oscillator frequency of 10 MHz, PS = 128, NSCN = 2; Iext = 16.
9. Measured with a 20 pF electrode, reference oscillator frequency of 10 MHz, PS = 16, NSCN = 3; Iext = 16.
10. Sensitivity defines the minimum capacitance change when a single count from the TSI module changes, it is equal to (C
11. Time to do one complete measurement of the electrode. Sensitivity resolution of 0.0133 pF, PS = 0, NSCN = 0, 1
12. CAPTRM=7, DELVOL=2, REFCHRG=0, EXTCHRG=4, PS=7, NSCN=0F, LPSCNITV=F, LPO is selected (1 kHz), and
7 Dimensions
7.1 Obtaining package dimensions
Package dimensions are provided in package drawings.
Freescale Semiconductor, Inc.
MaxSens
Pres100
I
Symbol
Pres20
TSI_RUN
T
I
Pres5
TSI_LP
I
I
Res
* I
configuration: Iext = 5 μA, EXTCHRG = 4, PS = 128, NSCN = 2, I
minimum sensitivity describes the smallest possible capacitance that can be measured by a single count (this is the best
sensitivity but is described as a minimum because it’s the smallest number). The minimum sensitivity parameter is based
on the following configuration: I
pF
electrode, DELVOL = 2, EXTCHRG = 15.
fixed external capacitance of 20 pF. Data is captured with an average of 7 periods window.
Con20
REF
ELE
ext
)/( I
ref
Reference oscillator current source base current
Electrode oscillator current source base current
Electrode capacitance measurement precision
Electrode capacitance measurement precision
Electrode capacitance measurement precision
Maximum sensitivity
Resolution
Response time @ 20 pF
Current added in run mode
Low power mode current adder
Description
* PS * NSCN). Sensitivity depends on the configuration used. The typical value listed is based on the following
• 1uA setting (REFCHRG=0)
• 32uA setting (REFCHRG=31)
• 1uA setting (EXTCHRG=0)
• 32uA setting (EXTCHRG=31)
Table 49. TSI electrical specifications (continued)
K60 Sub-Family Data Sheet Data Sheet, Rev. 6, 9/2011.
ext
= 1 μA, EXTCHRG = 0, PS = 128, NSCN = 32, I
0.003
Min.
—
—
—
—
—
—
—
—
—
—
8
ref
= 16 μA, REFCHRG = 15, C
8.3333
8.3333
8.3333
1.133
1.133
12.5
Typ.
1.3
36
36
15
55
—
ref
= 32 μA, REFCHRG = 31, C
38400
38400
38400
Max.
1.5
1.5
2.5
50
50
16
25
—
—
ref
fF/count
= 1.0 pF. The
Unit
bits
μA
μA
μA
μA
μs
%
%
%
Dimensions
Notes
ref
3,
3,6
10
11
12
7
8
9
= 0.5
5
ref
67