MC68HC708MP16CFU

Manufacturer Part NumberMC68HC708MP16CFU
ManufacturerFreescale Semiconductor, Inc
MC68HC708MP16CFU datasheet
 
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Page 375/398:

TImer Interface Module Characteristics

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21.9 TImer Interface Module Characteristics
Characteristic
Input Capture Pulse Width
Input Clock Pulse Width
21.10 Clock Generation Module Electrical Characteristics
Table 21-8. CGM Component Specifications
Characteristic
Crystal Load Capacitance
Crystal Fixed Capacitance
Crystal Tuning Capacitance
Feedback Bias Resistor
Series Resistor
Filter Capacitor
Bypass Capacitor
Characteristic
Crystal Reference Frequency
Range Nominal Multiplier
VCO Center-of-Range Frequency
VCO Frequency Multiplier
VCO Center of Range Multiplier
VCO Operating Frequency
MC68HC708MP16
Rev. 3.1
Freescale Semiconductor
Table 21-7. TIM Timing
Symbol
t
t
TCH,
Symbol
Min
C
L
C
2*C
1
C
2*C
2
R
22 MΩ
B
R
0
330 kΩ
S
C
C
F
(V
DDA
0.1 µF
C
BYP
Table 21-9. CGM Operating Conditions
Symbol
f
XCLK
f
f
f
VCLK
Electrical Specifications
Electrical Specifications
Min
Max
t
125
TIH,
TIL
t
(1/f
) + 5
TCL
OP
Typ
Max
Notes
Consult Crystal
Manufacturing Data
Consult Crystal
L
Manufacturing Data
Consult Crystal
L
Manufacturing Data
1 MΩ
Not Required
*
FACT
/f
)
XCLK
C
must provide low AC
BYP
impedance from
f = f
/100 to 100*f
XCLK
so series resistance must
be considered.
Min
Typ
1MHz
4.9152 MHz
NOM
4.9152
VRS
MHz
N
1
L
1
f
VRSMIN
Unit
ns
ns
,
VCLK
Max
8 MHz
32.8
MHz
15
15
f
VRSMAX
Technical Data
375