mc68hc908lj24 Freescale Semiconductor, Inc, mc68hc908lj24 Datasheet - Page 442
mc68hc908lj24
Manufacturer Part Number
mc68hc908lj24
Description
M68hc08 Microcontrollers
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68HC908LJ24.pdf
(464 pages)
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Electrical Specifications
24.11 3.3V Oscillator Characteristics
Data Sheet
442
Notes:
Internal oscillator clock frequency
External reference clock to OSC1
Crystal reference frequency
Crystal load capacitance
Crystal fixed capacitance
Crystal tuning capacitance
Feedback bias resistor
Series resistor
1. Typical value reflect average measurements at midpoint of voltage range, 25 ×C only. See
2. No more than 10% duty cycle deviation from 50%.
3. Fundamental mode crystals only.
4. Consult crystal manufacturer’s data.
5. Not Required for high frequency crystals.
(5)
Characteristic
(4)
(3)
Table 24-9. 3.3V Oscillator Specifications
(2)
Figure 24-1. Typical Internal Oscillator Frequency
65
60
55
50
45
40
35
Electrical Specifications
2
Symbol
f
f
f
XCLK
ICLK
OSC
C
C
C
R
R
B
S
L
1
2
3
Supply Voltage, V
Min
dc
—
—
—
—
—
—
4
MC68HC908LJ24/LK24 — Rev. 2.1
2 × C
2 × C
32.768k
DD
47k
100k
20M
Typ
—
—
L
L
(V)
(1)
(27p)
(33p)
Figure 24-1
5
Freescale Semiconductor
4.9152M
for plot.
16M
–40°C
+25°C
+25°C
+85°C
Max
—
—
—
—
—
6
Unit
Hz
Hz
Hz
Ω
Ω
F
F
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