mc9s12hz256v2 Freescale Semiconductor, Inc, mc9s12hz256v2 Datasheet - Page 634

• Manufacturer Part Number: mc9s12hz256v2
• Description: Hcs12 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

1
Conditions are shown in
V
f
Appendix A Electrical Characteristics
A.2.3
Table A-10
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:
INL n
634
Num C
ATDCLK
DNL i
REF
10
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
P 10-Bit Resolution
P 10-Bit Differential Nonlinearity
P 10-Bit Integral Nonlinearity
P 10-Bit Absolute Error (Port AD)
P 10-Bit Absolute Error (Port L)
P 8-Bit Resolution
P 8-Bit Differential Nonlinearity
P 8-Bit Integral Nonlinearity
P 8-Bit Absolute Error (Port AD)
P 8-Bit Absolute Error (Port L)
= 2.0MHz
RH
– V
=
=
specifies the ATD conversion performance excluding any errors due to current injection, input
ATD accuracy
RL
i
V
------------------------ - 1
=
= 5.12V. Resulting to one 8 bit count = 20mV and one 10 bit count = 5mV
n
i
1LSB
1
–
DNL i
Table A-4
V
i 1
–
Rating
–
unless otherwise noted
=
Table A-10. ATD Conversion Performance
1
1
V
------------------- - n
1
1
1LSB
n
MC9S12HZ256 Data Sheet, Rev. 2.05
–
Figure
V
0
–
A-1.
Symbol
DNL
DNL
LSB
LSB
INL
INL
AE
AE
AE
AE
–2.5
–0.5
–1.0
–1.5
–2.0
Min
–1
–3
–4
Typ
20
1.5
2.0
3.0
0.5
1.0
1.5
5
Freescale Semiconductor
Max
2.5
0.5
1.0
1.5
2.0
1
3
4
Counts
Counts
Counts
Counts
Counts
Counts
Counts
Counts
Unit
mV
mV