MC68HC908JK3 MOTOROLA [Motorola, Inc], MC68HC908JK3 Datasheet - Page 199
MC68HC908JK3
Manufacturer Part Number
MC68HC908JK3
Description
MC68HC908JK1
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet
1.MC68HC908JK3.pdf
(210 pages)
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18.11 3V Oscillator Characteristics
MC68H(R)C908JL3
MOTOROLA
14
12
10
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
8
6
4
2
0
reference frequency
NOTES:
1. No more than 10% duty cycle deviation from 50%
2. Consult crystal vendor data sheet
3. Not Required for high frequency crystals
0
Characteristic
—
Rev. 1.0
Table 18-9. Oscillator Component Specifications (3V)
(2), (3)
10
Figure 18-2. RC vs. Frequency (3V @25 C)
(1)
(2)
(2)
(2)
Resistor, R
20
Electrical Specifications
f
f
Symbol
OSCXCLK
OSCXCLK
f
EXT
RCCLK
R
C
R
R
C
C
C
EXT
EXT
30
B
S
L
1
2
(k )
C
3V @ 25 C
EXT
Min
—
dc
—
—
—
—
—
—
2
= 10 pF
40
See
10 M
2 C
2 C
Typ
Figure 18-2
10
—
—
—
8
8
L
L
50
V
DD
Max
3V Oscillator Characteristics
16
12
16
—
—
—
—
—
—
R
Electrical Specifications
EXT
OSC1
MHz
MHz
MHz
Unit
pF
Technical Data
MCU
C
EXT
199