參數(shù)資料
型號(hào)： HT82K68E-L
廠商： Holtek Semiconductor Inc.
英文描述： Multimedia Keyboard Encoder 8-Bit MCU
中文描述： 多媒體鍵盤編碼器8位微控制器
文件頁數(shù)： 16/39頁
文件大小： 269K
代理商： HT82K68E-L
Application Circuits
RC Oscillator for Multiple I/O Applications
Crystal Oscillator or Ceramic Resonator for
Multiple I/O Applications
HT82K68E-L/HT82K68A-L
Rev. 1.00
16
August 9, 2007
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ROM Code Option
The following shows six kinds of ROM code option in the device. All the ROM code options must be defined to ensure
proper system function.
No.
ROM Code Option
1
OSC type selection. This option is to decide if an RC or Crystal oscillator is chosen as system clock. If the
Crystal oscillator is selected, the XST (Crystal Start-up Timer) default is activated, otherwise the XST is
disabled.
2
WDT source selection. There are three types of selection: on-chip RC oscillator, instruction clock or disable
the WDT.
3
CLRWDT times selection. This option defines the way to clear the WDT by instruction. One time means
that the CLR WDT instruction can clear the WDT. Two times means only if both of the CLR WDT1 and CLR
WDT2 instructions have been executed, only then will the WDT be cleared.
4
Wake-upselection.Thisoptiondefinesthewake-upfunctionactivity.ExternalI/Opins(PAandPC[0:3]only)
all have the capability to wake-up the chip from a HALT.
5
Pull-high selection. This option is to decide whether the pull-high resistance is visible or not in the input mode
of the I/O ports. Each bit of an I/O port can be independently selected.
6
LVR enable/disable. User can configure whether enable or disable the circuit by configuration option.
7
The Input type only Schmitt Trigger input type can used for HT82K68E-L.
The Input type Schmitt Trigger input or inverter input type can used for HT82K68A-L.
相關(guān)PDF資料
PDF描述
HT82K68A 8-Bit High Performance Peripheral Interface IC For Multiple I/O Products and Multimedia Applications(8位高性能外圍接口集成芯片，用于多I/O口及多媒體器件)
HT82K68E 8-Bit High Performance Peripheral Interface IC For Multiple I/O Products and Multimedia Applications(8位高性能外圍接口集成芯片，用于多I/O口及多媒體器件)
HT82K68 Multimedia Keyboard Encoder OTP
HT82K94A USB Multimedia Keyboard Encoder 8-Bit MCU
HT82K94E USB Multimedia Keyboard Encoder 8-Bit MCU
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HT82K68E-L_09 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:Multimedia Keyboard Encoder 8-Bit MCU
HT82K68E-L_11 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:Multimedia Keyboard Encoder 8-Bit MCU
HT82K70A-L 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:I/O Type 8-Bit MCU
HT82K70E-L 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:I/O Type 8-Bit OTP MCU
HT82K70E-L_11 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:I/O Type 8-Bit MCU
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