mcf51qe128 Freescale Semiconductor, Inc, mcf51qe128 Datasheet - Page 27

• Manufacturer Part Number: mcf51qe128
• Description: Mcf51qe Flexis 32-bit Coldfire? V1 Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

3.10.4
3.10.5
Freescale Semiconductor
1
2
C
D
D
D
D
D
C
C
C
D
Typical values assume V
only and are not tested in production.
DC potential difference.
C
D
P
D
P
C
P
C
Supply voltage
Ground voltage
Ref Voltage High
Ref Voltage Low
Input Voltage
Input
Capacitance
Input Resistance
Analog Source
Resistance
ADC Conversion
Clock Freq.
Characteristic
Supply voltage
Supply current (active)
Analog input voltage
Analog input offset voltage
Analog comparator hysteresis
Analog input leakage current
Analog comparator initialization delay
Analog Comparator (ACMP) Electricals
ADC Characteristics
Absolute
Delta to V
12 bit mode
10 bit mode
8 bit mode (all valid f
High Speed (ADLPC=0)
Low Power (ADLPC=1)
Delta to V
Characteristic
DDAD
MCF51QE128 Series Advance Information Data Sheet, Rev. 4
Table 15. Analog Comparator Electrical Specifications
f
f
f
f
= 3.0V, Temp = 25°C, f
ADCK
ADCK
ADCK
ADCK
Conditions
DD
SS
Table 16. 12-bit ADC Operating Conditions
(V
> 4MHz
< 4MHz
> 4MHz
< 4MHz
(V
DD
SS
-V
-V
DDAD
ADCK
SSAD
)
)
2
)
2
ADCK
ΔV
ΔV
V
V
Symb
V
C
R
V
f
ADCK
R
DDAD
REFH
REFL
ADIN
ADIN
ADIN
DDAD
SSAD
=1.0MHz unless otherwise stated. Typical values are for reference
AS
Symbol
I
I
t
DDAC
V
V
V
ALKG
AINIT
V
AIO
AIN
DD
H
V
V
-100
-100
Min
SSAD
1.8
1.8
REFL
0.4
0.4
—
—
—
—
—
—
—
V
SS
1.80
Min
3.0
—
—
—
V
V
– 0.3
Typ
DDAD
SSAD
4.5
—
—
—
—
—
—
—
—
—
0
0
5
1
V
V
V
Typical
+100
+100
Max
DDAD
SSAD
REFH
3.6
5.5
8.0
4.0
10
10
9.0
7
2
5
5
20
20
—
—
—
—
Electrical Characteristics
MHz
Unit
mV
mV
kΩ
kΩ
pF
V
V
V
V
Max
15.0
V
3.6
1.0
1.0
35
40
DD
External to MCU
Comment
Unit
mV
mV
μA
μA
μs
V
V
27