參數(shù)資料
型號: MC68HC05J1AVP
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP20
封裝: PLASTIC, DIP-20
文件頁數(shù): 45/128頁
文件大小: 1279K
代理商: MC68HC05J1AVP
General Description
Pin Assignments
MC68HC05J1A — Rev. 3.0
Technical Data
MOTOROLA
General Description
23
required to provide reliable startup and maximum stability. The load
capacitance values used in the oscillator circuit design should include all
stray layout capacitances. To minimize output distortion, mount the
crystal and capacitors as close as possible to the pins.
NOTE:
Use an AT-cut crystal and not an AT-strip crystal. The MCU may
overdrive an AT-strip crystal.
Figure 1-4. Crystal Connections
with Feedback Resistor Mask Option
Figure 1-5. Crystal Connections
without Feedback Resistor Mask Option
MCU
VDD
VSS
C1
C2
OSC1
OSC2
XTAL
C4
C3
VSS
OS
C
1
OSC
2
XTAL
C3
27 pF
C4
27 pF
MCU
VDD
VSS
C1
C2
OSC1
OSC2
R
XTAL
C4
C3
VSS
OS
C
1
OSC
2
10 M
XTAL
C3
27 pF
C4
27 pF
R
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