参数资料
型号: MC68HC705J1AVS
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: Microcontrollers
中文描述: 8-BIT, UVPROM, 2.1 MHz, MICROCONTROLLER, CDIP20
封装: WINDOWED, CERDIP-20
文件页数: 17/108页
文件大小: 718K
代理商: MC68HC705J1AVS
Pin Functions
MC68HC705KJ1 MC68HRC705KJ1 MC68HLC705KJ1 Data Sheet, Rev. 4.1
Freescale Semiconductor
17
Figure 1-4. Crystal Connections with
Oscillator Internal Resistor Mask Option
Figure 1-5. Crystal Connections without
Oscillator Internal Resistor Mask Option
1.4.2.2 Ceramic Resonator Oscillator
To reduce cost, use a ceramic resonator instead of the crystal. The circuits shown in
Figure 1-6
and
Figure 1-7
show ceramic resonator circuits. Follow the resonator manufacturer’s recommendations, as
the resonator parameters determine the external component values required for maximum stability and
reliable starting. The load capacitance values used in the oscillator circuit design should include all stray
capacitances.
Mount the resonator and components as close as possible to the pins for startup stabilization and to
minimize output distortion. An internal startup resistor of approximately 2 M
is provided between OSC1
and OSC2 as a programmable mask option.
MCU
C1
C2
XTAL
C4
C3
XTAL
C3
27 pF
C4
27 pF
O
O
OSC1
OSC2
V
SS
V
DD
V
SS
MCU
C1
C2
R
XTAL
C4
C3
R
10 M
XTAL
C3
27 pF
C4
27 pF
OSC1
OSC2
V
DD
V
SS
O
O
V
SS
相关PDF资料
PDF描述
MC68HC705J1AVP Microcontrollers
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MC68HC705J1AS Microcontrollers
MC68HC705J1AP Microcontrollers
MC68HC705J1ADW Microcontrollers
相关代理商/技术参数
参数描述
MC68HC705J2CDW 制造商:Motorola Inc 功能描述: 制造商:Motorola Inc 功能描述:MicroController, 8-Bit, 20 Pin, Plastic, SOP
MC68HC705J2DW 制造商:Motorola Inc 功能描述:
MC68HC705J5ACP 制造商:Motorola Inc 功能描述: 制造商:MOTOROLA 功能描述:
MC68HC705JB4DW 制造商:Motorola Inc 功能描述: 制造商:MOTOROLA 功能描述:
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