參數(shù)資料
型號: MC68HC705J1ACP
廠商: Freescale Semiconductor
文件頁數(shù): 84/162頁
文件大?。?/td> 0K
描述: IC MCU 4MHZ 1.2K OTP 20-DIP
標準包裝: 18
系列: HC05
核心處理器: HC05
芯體尺寸: 8-位
速度: 4MHz
外圍設備: POR,WDT
輸入/輸出數(shù): 14
程序存儲器容量: 1.2KB(1.2K x 8)
程序存儲器類型: OTP
RAM 容量: 64 x 8
電壓 - 電源 (Vcc/Vdd): 3 V ~ 5.5 V
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 20-DIP(0.300",7.62mm)
包裝: 管件
Technical Data
MC68HC705J1A — Rev. 4.0
General Description
General Description
Figure 1-4. Crystal Connections with
Oscillator Internal Resistor Mask Option
Figure 1-5. Crystal Connections without
Oscillator Internal Resistor Mask Option
1.5.2.2 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.
MCU
C1
C2
XTAL
C4
C3
XTAL
C3
27 pF
C4
27 pF
OSC
1
OS
C
2
OSC1
OSC2
VSS
VDD
VSS
MCU
C1
C2
R
XTAL
C4
C3
R
10 M
XTAL
C3
27 pF
C4
27 pF
OSC1
OSC2
VDD
VSS
OS
C
1
OS
C
2
VSS
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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