MC68HC908JL3ECDW Freescale Semiconductor, MC68HC908JL3ECDW Datasheet - Page 139
MC68HC908JL3ECDW
Manufacturer Part Number
MC68HC908JL3ECDW
Description
IC MCU 4K FLASH 8MHZ 28-SOIC
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908JK1ECDWE.pdf
(180 pages)
Specifications of MC68HC908JL3ECDW
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Peripherals
LED, LVD, POR, PWM
Number Of I /o
23
Program Memory Size
4KB (4K x 8)
Program Memory Type
FLASH
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.3 V
Data Converters
A/D 12x8b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
28-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Connectivity
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MC68HC908JL3ECDW
Manufacturer:
FREESCALE
Quantity:
20 000
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16.7 5V Oscillator Characteristics
Freescale Semiconductor
Crystal frequency, XTALCLK
RC oscillator frequency, RCCLK
External clock
Crystal load capacitance
Crystal fixed capacitance
Crystal tuning capacitance
Feedback bias resistor
Series resistor
RC oscillator external R
RC oscillator external C
1. No more than 10% duty cycle deviation from 50%.
2. Consult crystal vendor data sheet.
3. Not required for high frequency crystals.
reference frequency
14
12
10
8
6
4
2
0
0
(2), (3)
Characteristic
(1)
(2)
(2)
(2)
10
Table 16-6. Oscillator Component Specifications (5V)
Figure 16-1. RC vs. Frequency (5V @25°C)
MC68HC908JL3E Family Data Sheet, Rev. 4
RESISTOR, R
20
EXT
(kΩ)
30
f
f
Symbol
OSCXCLK
OSCXCLK
f
RCCLK
R
C
C
C
C
R
R
EXT
EXT
L
1
2
B
S
C
5V @ 25°C
40
EXT
Min
= 10 pF
—
dc
—
—
—
—
—
—
2
See
50
10 MΩ
2 × C
2 × C
Typ
10
10
10
—
—
—
Figure 16-1
L
L
V
DD
5V Oscillator Characteristics
R
EXT
Max
32
12
32
—
—
—
—
—
—
OSC1
MCU
C
EXT
MHz
MHz
MHz
Unit
pF
139
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