Datasheet

Electrical Specifications
Timer Interface Module Characteristics
MC68HC908GR8 — Rev 4.0 Technical Data
MOTOROLA Electrical Specifications 383
23.15 Timer Interface Module Characteristics
23.16 Clock Generation Module Characteristics
23.16.1 CGM Component Specifications
Table 23-8. Timer Interface Module Characteristics
Characteristic Symbol Min Max Unit
Input capture pulse width
t
TIH
, t
TIL
1 —
t
cyc
Table 23-9. CGM Component Specifications
Characteristic Symbol Min Typ Max Unit
Crystal reference frequency
(1)
1. Fundamental mode crystals only
f
XCLK
30 32.768 100 kHz
Crystal load capacitance
(2)
2. Consult crystal manufacturer’s data.
C
L
———pF
Crystal fixed capacitance
(2)
C
1
6
2
× C
L
40 pF
Crystal tuning capacitance
(2)
C
2
6
2
× C
L
40 pF
Feedback bias resistor
R
B
10 10 22 MΩ
Series resistor
R
S
330 330 470 kΩ
Notes:
Frees
cale Semiconductor,
I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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