MC68HC908LB8CPE Freescale Semiconductor, MC68HC908LB8CPE Datasheet - Page 225
MC68HC908LB8CPE
Manufacturer Part Number
MC68HC908LB8CPE
Description
IC MCU 8K FLASH 8MHZ 20DIP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC68HC908LB8CDWE.pdf
(234 pages)
Specifications of MC68HC908LB8CPE
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Peripherals
LVR, POR, PWM
Number Of I /o
18
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 7x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Connectivity
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68HC908LB8CPE
Manufacturer:
IR
Quantity:
10
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20.8 5.0-Volt ADC Characteristics
Freescale Semiconductor
NOTES:
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
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
current.
14
12
10
8
6
4
2
0
Characteristic
(1)
0
(3)
(3)
(2)
10
Figure 20-2. RC versus Frequency (5 Volts @ 25°C)
20
Resistor, R
Symbol
MC68HC908LB8 Data Sheet, Rev. 1
V
V
t
f
C
ADPU
t
t
Z
B
A
R
F
DDAD
ADIC
ADC
ADIN
ADS
—
ADI
ADI
ADI
AD
AD
AD
EXT
(kΩ)
(V
30
DD
± 0.5
Min
V
V
4.5
0.5
FE
16
16
00
—
—
8
5
SS
SS
min)
(V
40
DD
1.048
± 1.5
Max
V
V
5.5
± 1
FF
17
01
—
—
8
5 V @ 25°C
DD
DD
8
max)
50
t
t
t
ADIC
ADIC
ADIC
MHz
Unit
LSB
Hex
Hex
Bits
µA
pF
V
V
V
cycles
cycles
cycles
V
5.0-Volt ADC Characteristics
DD
R
Includes quantization
tested only at 1 MHz
EXT
MCU
t
t
t
t
ADIC
ADIC
ADIC
ADIC
OSC1
Comments
Not tested
V
V
IN
IN
= 1/f
= 1/f
= 1/f
= 1/f
—
—
—
—
= V
—
= V
DD
SS
ADIC
ADIC
ADIC
ADIC
,
225
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