mc9s12e256 Freescale Semiconductor, Inc, mc9s12e256 Datasheet - Page 588

• Manufacturer Part Number: mc9s12e256
• Description: Hcs12 Microcontrollers 16-bit Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

1
Conditions are shown in
V
f
Appendix A Electrical Characteristics
A.6.5
Table A-23
capacitance and source resistance.
For the following definitions see also
Differential Non-Linearity (DNL) is defined as the difference between two adjacent switching steps.
The Integral Non-Linearity (INL) is defined as the sum of all DNLs:
588
Num C
ATDCLK
REF
These values include the quantization error which is inherently 1/2 count for any A/D converter.
1
2
3
4
5
6
7
8
9
= V
C 10-Bit Absolute Error at f
P 10-Bit Resolution
P 10-Bit Differential Nonlinearity
P 10-Bit Integral Nonlinearity
P 10-Bit Absolute Error
P 8-Bit Resolution
P 8-Bit Differential Nonlinearity
P 8-Bit Integral Nonlinearity
P 8-Bit Absolute Error
= 2.0MHz
RH
- V
specifies the ATD conversion performance excluding any errors due to current injection, input
ATD Accuracy — 3.3V Range
RL
= 3.328V. Resulting to one 8 bit count = 13mV and one 10 bit count = 3.25mV
Table A-4
1
1
Rating
unless otherwise noted
ATDCLK
Table A-23. 3.3V ATD Conversion Performance
INL n
= 4MHz
MC9S12E256 Data Sheet, Rev. 1.08
Figure
DNL i
=
i
A-9.
∑
=
n
1
=
DNL i
V
-------------------------- - 1
i
1LSB
–
Symbol
V
DNL
DNL
LSB
LSB
i 1
=
INL
INL
AE
AE
AE
–
V
-------------------- - n
1LSB
n
–
–
V
0
–
–1.5
–3.5
–0.5
–1.5
–2.0
Min
–5
—
—
—
3.25
Typ
13
—
1.5
2.5
7.0
1.0
1.5
Freescale Semiconductor
Max
1.5
3.5
0.5
1.5
2.0
—
—
—
5
Counts
Counts
Counts
Counts
Counts
Counts
Counts
Unit
mV
mV