mcf51qe128 Freescale Semiconductor, Inc, mcf51qe128 Datasheet - Page 28
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mcf51qe128
Manufacturer Part Number
mcf51qe128
Description
Mcf51qe Flexis 32-bit Coldfire? V1 Microcontroller
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MCF51QE128.pdf
(38 pages)
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Electrical Characteristics
28
Supply Current
ADLPC=1
ADLSMP=1
ADCO=1
Supply Current
ADLPC=1
ADLSMP=0
ADCO=1
Supply Current
ADLPC=0
ADLSMP=1
ADCO=1
Supply Current
ADLPC=0
ADLSMP=0
ADCO=1
Supply Current
ADC
Asynchronous
Clock Source
Characteristic
V
AS
+
–
Stop, Reset, Module Off
High Speed (ADLPC=0)
Low Power (ADLPC=1)
Table 17. 12-bit ADC Characteristics (V
R
AS
Conditions
Figure 22. ADC Input Impedance Equivalency Diagram
MCF51QE128 Series Advance Information Data Sheet, Rev. 4
C
AS
Z
AS
V
+
–
ADIN
C
C
T
T
T
P
P
INPUT PIN EQUIVALENT
Pad
leakage
due to
input
protection
f
Symb
I
I
I
I
I
ADACK
INPUT PIN
INPUT PIN
INPUT PIN
DDAD
DDAD
DDAD
DDAD
DDAD
SIMPLIFIED
CIRCUIT
1.25
Min
—
—
—
—
—
REFH
2
= V
0.532
0.007
Typ
120
202
288
3.3
DDAD
2
Z
ADIN
1
, V
CHANNEL SELECT
R
R
R
R
REFL
Max
ADIN
ADIN
ADIN
ADIN
0.8
3.3
SIMPLIFIED
—
—
—
1
5
CIRCUIT
= V
SSAD
MHz
Unit
mA
μA
μA
μA
μA
Freescale Semiconductor
)
C
t
ADACK
ADIN
ADC SAR
ENGINE
Comment
= 1/f
ADACK