MC68HC908QT2CPE Freescale, MC68HC908QT2CPE Datasheet - Page 161
MC68HC908QT2CPE
Manufacturer Part Number
MC68HC908QT2CPE
Description
Manufacturer
Freescale
Datasheet
1.MC68HC908QT2CPE.pdf
(184 pages)
Specifications of MC68HC908QT2CPE
Cpu Family
HC08
Device Core Size
8b
Frequency (max)
8MHz
Total Internal Ram Size
128Byte
# I/os (max)
6
Number Of Timers - General Purpose
2
Operating Supply Voltage (typ)
3.3/5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
2.7V
On-chip Adc
4-chx8-bit
Instruction Set Architecture
CISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Through Hole
Pin Count
8
Package Type
PDIP
Program Memory Type
Flash
Program Memory Size
1.5KB
Lead Free Status / RoHS Status
Compliant
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16.14 Analog-to-Digital Converter Characteristics
Freescale Semiconductor
Supply voltage
Input voltages
Resolution
Absolute accuracy
ADC internal clock
Conversion range
Power-up time
Conversion time
Sample time
Zero input reading
Full-scale reading
Input capacitance
Input leakage
ADC supply current
1. Source impedances greater than 10 kΩ adversely affect internal RC charging time during input sampling.
2. Zero-input/full-scale reading requires sufficient decoupling measures for accurate conversions.
3. The external system error caused by input leakage current is approximately equal to the product of R source and input
(1 LSB)
(Total unadjusted error)
V
V
current.
DD
DD
= 3 V
= 5 V
Characteristic
(1)
(3)
(3)
(2)
MC68HC908QY/QT Family Data Sheet, Rev. 6
Symbol
V
V
t
E
f
RES
C
I
V
ADPU
t
t
Z
F
DDAD
ADIC
ADAD
ADC
ADIN
ADS
TUE
AIN
ADI
ADI
I
ADI
IL
(V
DD
10.5
Min
V
V
2.7
0.5
FE
16
16
00
—
—
—
5
SS
SS
min)
Typical = 0.45
Typical = 0.65
(V
DD
1.048
± 1.5
Max
21.5
V
V
5.5
± 1
FF
17
01
—
—
DD
DD
8
max)
Analog-to-Digital Converter Characteristics
t
t
t
ADIC
ADIC
ADIC
MHz
Unit
LSB
Hex
Hex
mV
mA
mA
μA
pF
V
V
V
cycles
cycles
cycles
Includes quantization
tested only at 1 MHz
t
t
t
t
ADIC
ADIC
ADIC
ADIC
Comments
Not tested
V
V
Enabled
Enabled
IN
IN
= 1/f
= 1/f
= 1/f
= 1/f
—
—
—
—
= V
—
= V
DD
SS
ADIC
ADIC
ADIC
ADIC
,
161
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