s908ab32ag0cfue Freescale Semiconductor, Inc, s908ab32ag0cfue Datasheet - Page 383

• Manufacturer Part Number: s908ab32ag0cfue
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

23.12 Clock Generation Module Characteristics
23.12.1 CGM Operating Conditions
23.12.2 CGM Component Information
MC68HC908AB32
Freescale Semiconductor
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. 1.1
Symbol
C
C
R
R
C
C
C
C
Fact
BYP
B
S
F
L
1
2
Symbol
f
f
f
f
V
RCLK
f
XCLK
VCLK
NOM
VRS
DD
Electrical Specifications
Min
—
—
—
—
—
—
—
—
4.9152
4.9152
4.5 V
Min
—
—
1
C
Fact
× (V
0.0154
330kΩ
2 × C
2 × C
0.1 µF
22MΩ
4.9152 MHz
4.9152 MHz
Typ
—
DDA
Typ
—
—
—
—
L
L
/f
XCLK)
1MΩ
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
9.5.3 External Filter
RCLK
must provide low
/100 to 100 ×
, so series
Comments
F/s V
Unit
Technical Data
DD
DD
only
only
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