mc68hc908mr32 Freescale Semiconductor, Inc, mc68hc908mr32 Datasheet - Page 272

• Manufacturer Part Number: mc68hc908mr32
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Electrical Specifications
19.9 TImer Interface Module Characteristics
19.10 Clock Generation Module Component Specifications
19.11 CGM Operating Conditions
272
Input capture pulse width
Input clock pulse width
Crystal load capacitance
Crystal fixed capacitance
Crystal tuning capacitance
Feedback bias resistor
Series resistor
Filter capacitor
Bypass capacitor
Crystal reference frequency
Range nominal multiplier
VCO center-of-range frequency
VCO frequency multiplier
VCO center of range multiplier
VCO operating frequency
Characteristic
Characteristic
Characteristic
MC68HC908MR32 • MC68HC908MR16 Data Sheet, Rev. 6.1
Symbol
C
R
R
C
C
C
C
BYP
B
S
F
L
1
2
Min
—
—
—
—
—
—
Symbol
0
f
f
f
f
XCLK
VCLK
NOM
VRS
N
L
(V
DDA
330 kΩ
C
22 MΩ
0.1 µF
t
2 * C
2 * C
Symbol
TCH,
t
Typ
FACT
f
TIH,
4.9152
—
VRSMIN
/f
Min
XCLK
—
1
1
1
L
L
t
t
*
TIL
TCL
)
1 MΩ
Max
(1/f
—
—
—
—
—
—
4.9152
Typ
Min
OP
—
—
—
—
—
125
) + 5
f = f
C
series resistance must be
BYP
XCLK
manufacturing data
manufacturing data
manufacturing data
Freescale Semiconductor
f
VRSMAX
impedance from
Consult crystal
Consult crystal
Consult crystal
must provide low ac
Max
32.8
/100 to 100*f
Not required
15
15
—
considered
8
Max
Notes
—
—
VCLK
MHz
MHz
MHz
Unit
—
—
—
Unit
ns
ns
, so