MC9S08QE128_08 Datasheet, PDF (31/50 Pages) Freescale Semiconductor, Inc – 8-Bit HCS08 Central Processor Unit (CPU)

R_AS
V_AS
+
–
Z_AS
C_AS
Electrical Characteristics
SIMPLIFIED
INPUT PIN EQUIVALENT
CIRCUIT
Pad
leakage
due to
input
protection
Z_ADIN
SIMPLIFIED
CHANNEL SELECT
CIRCUIT
R_ADIN
+
V_ADIN
–
ADC SAR
ENGINE
R_ADIN
INPUT PIN
R_ADIN
INPUT PIN
R_ADIN
INPUT PIN
C_ADIN
Figure 25. ADC Input Impedance Equivalency Diagram
Characteristic
Table 18. 12-bit ADC Characteristics (V_REFH = V_DDAD, V_REFL = V_SSAD)
Conditions
C Symb Min
Typ¹
Max
Unit
Comment
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
Stop, Reset, Module Off
High Speed (ADLPC=0)
Low Power (ADLPC=1)
T I_DDAD
—
120
—
μA
T I_DDAD
—
202
—
μA
T I_DDAD
—
288
—
μA
D I_DDAD
—
0.532
1
mA
P I_DDAD
—
0.007
0.8
μA
P f_ADACK
2
3.3
P
1.25
2
5
t_ADACK = 1/f_ADACK
3.3
MHz
MC9S08QE128 Series Data Sheet, Rev. 7
Freescale Semiconductor
31