參數(shù)資料
型號(hào): MCHRC705KJ1CPE
廠商: Freescale Semiconductor
文件頁(yè)數(shù): 18/108頁(yè)
文件大?。?/td> 0K
描述: IC MCU 1.2K 4MHZ OTP 16-DIP
標(biāo)準(zhǔn)包裝: 25
系列: HC05
核心處理器: HC05
芯體尺寸: 8-位
速度: 4MHz
外圍設(shè)備: POR,WDT
輸入/輸出數(shù): 10
程序存儲(chǔ)器容量: 1.2KB(1.2K x 8)
程序存儲(chǔ)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: 16-DIP(0.300",7.62mm)
包裝: 管件
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
OSC1
OS
C2
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
OSC1
OSC2
VSS
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