參數(shù)資料
型號: MC68HSC05J1A
廠商: 飛思卡爾半導體(中國)有限公司
英文描述: Microcontrollers
中文描述: 微控制器
文件頁數(shù): 24/128頁
文件大?。?/td> 1620K
代理商: MC68HSC05J1A
Technical Data
MC68HC05J1A — Rev. 3.0
24
General Description
MOTOROLA
General Description
1.6.2.2 Ceramic Resonator
To reduce cost, use a ceramic resonator in place of the crystal. Use the
circuit in
Figure 1-6
or
Figure 1-7
for a ceramic resonator and follow the
resonator manufacturer’s recommendations. The load capacitance
values used in the oscillator circuit design should include all stray layout
capacitances. To minimize output distortion, mount the resonator as
close as possible to the pins.
Figure 1-6. Ceramic Resonator Connections
with Feedback Resistor Mask Option
Figure 1-7. Ceramic Resonator Connections
without Feedback Resistor Mask Option
MCU
V
DD
V
SS
C1
C2
OSC1
OSC2
C
C4
C3
O
O
CERAMIC
RESONATOR
C3
27 pF
C4
27 pF
R
V
SS
MCU
V
DD
V
SS
C1
C2
OSC1
OSC2
R
C
C4
C3
O
O
R
10 M
CERAMIC
RESONATOR
C3
27 pF
C4
27 pF
R
V
SS
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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