MC68HC908AB32 MOTOROLA [Motorola, Inc], MC68HC908AB32 Datasheet - Page 383

• Manufacturer Part Number: MC68HC908AB32
• Description: HCMOS Microcontroller Unit
• Manufacturer: MOTOROLA [Motorola, Inc]

23.12 Clock Generation Module Characteristics
23.12.1 CGM Operating Conditions
23.12.2 CGM Component Information
MC68HC908AB32
MOTOROLA
Operating Voltage
Crystal Reference Frequency
Module Crystal Reference
Range Nominal Multiplier
VCO Center-of-Range Frequency
VCO Operating Frequency (MHz)
Crystal load capacitance
Crystal fixed capacitance
Crystal tuning capacitance
Feedback bias resistor
Series resistor
Filter capacitor multiply factor
Filter capacitor
Bypass capacitor
Frequency
(MHz)
Characteristic
Characteristic
—
Rev. 1.0
Freescale Semiconductor, Inc.
For More Information On This Product,
Symbol
C
C
R
R
C
C
C
C
BYP
Fact
B
S
F
L
1
2
Symbol
f
f
f
f
f
V
RCLK
XCLK
VCLK
NOM
VRS
DD
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Electrical Specifications
Min
—
—
—
—
—
—
—
—
4.9152
4.9152
4.5 V
Min
—
—
1
C
Fact
0.0154
330k
0.1 F
2
2
22M
4.9152 MHz
4.9152 MHz
(V
Typ
—
DDA
C
C
Typ
—
—
—
—
L
L
/f
XCLK)
Clock Generation Module Characteristics
1M
Max
5.5 V
Max
32.0
32.0
—
—
—
—
—
—
—
8.4
—
—
Consult crystal
Consult crystal
Consult crystal
Not required
See
C
manufacturer’s data
manufacturer’s data
manufacturer’s data
Capacitor Pin
(CGMXFC).
BYP
AC impedance from f =
f
f
resistance must be
considered.
XCLK
VCLK
Same Frequency as
4.5 to 5.5 V, V
4.5 to 5.5 V, V
Electrical Specifications
f
RCLK
9.5.3 External Filter
must provide low
/100 to 100
, so series
Comments
F/s V
Unit
Technical Data
DD
DD
only
only
383