mc9s12e256 Freescale Semiconductor, Inc, mc9s12e256 Datasheet - Page 590

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mc9s12e256

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

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Appendix A Electrical Characteristics
A.7
This section describes the characteristics of the digital to analog converter.
A.7.1
A.8
A timing diagram of the external multiplexed-bus is illustrated in
values shown on table
While both a data write and data read cycle are shown, only one or the other would occur on a particular
bus cycle.
The expanded bus timings are highly dependent on the load conditions. The timing parameters shown
assume a balanced load across all outputs.
590
Num
Num
1
2
3
4
5
6
1
2
3
4
5
6
7
C
D
D
D
D
D
D
D
D
DAC Characteristics
C
D
D
D
D
D
D
External Bus Timing
P
DAC Supply
DAC Supply Current
Reference Potential
Reference Supply Current
Input Current, Channel Off
Operating Temperature Range
DAC Operating Characteristics
DAC Operating Frequency
Integral Non-Linearity
Differential Non-Linearity
Resolution
Settling Time
Absolute Accuracy
Offset Error
Characteristic
Table A-26
Table A-24. DAC Electrical Characteristics (Operating)
Table A-25. DAC Timing/Performance Characteristics
Parameters
1
and
MC9S12E256 Data Sheet, Rev. 1.08
Table
Running
Stop
(low power)
Low
High
V
A-27. All major bus signals are included in the diagram.
REF
Condition
to V
SSA
Symbol
ABS
ERR
DNL
RES
f
INL
BUS
T
S
ACC
Symbol
I
I
DDArun
DDstop
V
V
V
I
I
REF
OFF
DDA
SSA
REF
T
Figure A-10
Min
–1
5
V
V
–200
2.97
DDA
Min
–40
SSA
/2
+/-2.5
0.25
0.10
Typ
with the actual timing
Typ
Freescale Semiconductor
Max
25
10
8
1
V
V
Max
400
125
5.5
3.5
1.0
SSA
DDA
1
Count
Count
Count
MHz
Unit
mV
Unit
Bit
mA
mA
mA
V
V
V
C
s
A

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