MC68HC908LJ12CPB FREESCALE [Freescale Semiconductor, Inc], MC68HC908LJ12CPB Datasheet - Page 397

• Manufacturer Part Number: MC68HC908LJ12CPB
• Description: 8-bit microcontroller units
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Electrical Specifications
23.10 5.0V Oscillator Characteristics
23.11 3.3V Oscillator Characteristics
Technical Data
398
Notes:
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
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.
1. Typical value reflect average measurements at midpoint of voltage range, 25 °C only.
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.
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)
(5)
Characteristic
Characteristic
(4)
(4)
(3)
(3)
Table 23-8. 5.0V Oscillator Specifications
Table 23-9. 3.3V Oscillator Specifications
(2)
(2)
Electrical Specifications
Symbol
Symbol
f
f
f
f
f
f
XCLK
XCLK
ICLK
OSC
ICLK
OSC
C
C
C
R
R
C
C
C
R
R
B
S
B
S
L
1
2
L
1
2
42.8k
Min
46k
Min
dc
—
—
—
—
—
dc
—
—
—
—
—
2 × C
2 × C
2 × C
2 × C
32.768k
32.768k
43.4k
47k
100k
100k
10M
10M
Typ
Typ
—
—
—
—
L
L
L
L
MC68HC908LJ12
(1)
(25p)
(25p)
(25p)
(25p)
(1)
Freescale Semiconductor
4.9152M
4.9152M
20M
16M
Max
Max
48k
44k
—
—
—
—
—
—
—
—
—
—
—
Rev. 2.1
Unit
Unit
Hz
Hz
Hz
Hz
Hz
Hz
Ω
Ω
Ω
Ω
F
F
F
F