mc68hc908jw32 Freescale Semiconductor, Inc, mc68hc908jw32 Datasheet - Page 213

• Manufacturer Part Number: mc68hc908jw32
• Description: M68hc08 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

19.8 Crystal Oscillator Characteristics
19.9 USB DC Electrical Characteristic
The USB electrical performance is compliant to the USB specification 2.0.
Freescale Semiconductor
Crystal frequency
External clock
Reference frequency
Crystal load capacitance
Crystal fixed capacitance
Crystal tuning capacitance
Feedback bias resistor
Series resistor
Hi-Z state data line leakage
Voltage input high (driven)
Voltage input high (floating)
Voltage input low
Differential input sensitivity
Differential common mode range
Static output low
Static output high
Output signal crossover voltage
Regulator bypass capacitor
Regulator bulk capacitor
1. The USB module is designed to function at f
2. No more than 10% duty cycle deviation from 50%.
3. Consult crystal vendor data sheet.
4. Not required for high-frequency crystals.
1. V
DD
= 3.9 to 5.5 Vdc, V
Characteristic
Characteristic
(3), (4)
(1)
(1), (2)
(3)
(3)
(1)
SS
(3)
= 0 Vdc, T
Table 19-8. USB DC Electrical Characteristics
Table 19-7. Oscillator Characteristics
A
C
= T
C
REGBYPASS
MC68HC908JW32 Data Sheet, Rev. 5
Symbol
REGBULK
V
L
V
V
V
V
V
V
I
V
CRS
LO
IHZ
CM
OH
to T
OL
XCLK
IH
DI
IL
Symbol
f
f
XCLK
XCLK
H
C
C
C
R
R
, unless otherwise noted.
L
1
2
B
S
= 4MHz.
0V<V
R
R
|(D+) – (D–)|
Includes V
Conditions
L
L
to 3.6 V
to GND
of 1.425 K
of 14.25 K
Range
IN
Min
<3.3V
dc
—
—
—
—
—
1
DI
10 MΩ
2 × C
2 × C
Min
–10
2.0
2.7
0.2
0.8
2.8
1.3
4.7
Typ
—
—
—
—
L
L
Crystal Oscillator Characteristics
0.47
Typ
—
Max
—
—
—
—
—
4
4
Max
+10
3.6
0.8
2.5
0.3
3.6
2.0
MHz
MHz
Unit
Unit
μA
μF
μF
V
V
V
V
V
V
V
V
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