MK40DN512ZVLL10 Freescale Semiconductor, MK40DN512ZVLL10 Datasheet - Page 59

• Manufacturer Part Number: MK40DN512ZVLL10
• Description: ARM Microcontrollers - MCU KINETIS 512K USB LCD
• Manufacturer: Freescale Semiconductor

Specifications of MK40DN512ZVLL10

• Rohs: yes
• Core: ARM Cortex M4
• Processor Series: K40
• Data Bus Width: 32 bit
• Maximum Clock Frequency: 25 MHz
• Program Memory Size: 512 KB
• Data Ram Size: 128 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 1.71 V to 3.6 V
• Operating Temperature Range: - 40 C to + 105 C
• Package / Case: LQFP-100
• Mounting Style: SMD/SMT

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
6.9.2 LCD electrical characteristics
Freescale Semiconductor, Inc.
Symbol
C
Δ
C
V
I
I
f
C
VIREG
RBIAS
Frame
* 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.
BYLCD
RTRIM
Glass
IREG
—
LCD
ext
)/( I
ref
LCD frame frequency
LCD charge pump capacitance — nominal value
LCD bypass capacitance — nominal value
LCD glass capacitance
V
V
V
V
RBIAS current adder
Description
* PS * NSCN). Sensitivity depends on the configuration used. The typical value listed is based on the following
IREG
IREG
IREG
IREG
• HREFSEL=0, RVTRIM=1111
• HREFSEL=0, RVTRIM=1000
• HREFSEL=0, RVTRIM=0000
• HREFSEL=1, RVTRIM=1111
• HREFSEL=1, RVTRIM=1000
• HREFSEL=1, RVTRIM=0000
• HREFSEL = 0
• HREFSEL = 1
• LADJ = 10 or 11 — High load (LCD glass
• LADJ = 00 or 01 — Low load (LCD glass
capacitance ≤ 8000 pF)
capacitance ≤ 2000 pF)
TRIM resolution
ripple
current adder — RVEN = 1
K40 Sub-Family Data Sheet Data Sheet, Rev. 7, 02/2013.
ext
= 1 μA, EXTCHRG = 0, PS = 128, NSCN = 32, I
Table 49. LCD electricals
Table continues on the next page...
Min.
28
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
ref
= 16 μA, REFCHRG = 15, C
Peripheral operating requirements and behaviors
2000
1.11
1.01
0.91
1.84
1.69
1.54
Typ.
100
100
30
10
—
—
—
1
1
ref
= 32 μA, REFCHRG = 31, C
8000
Max.
3.0
58
30
50
—
—
—
—
—
—
—
—
—
—
—
ref
= 1.0 pF. The
% V
Unit
mV
mV
µA
µA
µA
Hz
nF
nF
pF
V
V
V
V
V
V
IREG
Notes
ref
1
1
2
3
4
= 0.5
ref
59