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HT45R04E 参数 Datasheet PDF下载

HT45R04E图片预览
型号: HT45R04E
PDF下载: 下载PDF文件 查看货源
内容描述: [适用于安防系列(烟感器、温感器、家用一 氧化碳测试器)等产品的 IC:HT45R04E。 工作电压:2.2V~5.5V ;工作频率:400Kz---2MHz(当fsys=455kHz时,VDD=+5V时 IDD<200uA) 1. 最多可有13 个双向输入/输出口 , 18-pin SOP 封装 2. 1 个与输入/输出口共用引脚的外部中断输入 3. 8 位可编程定时/计数器,具有溢出中断和7 级预分频器 4. 内置晶体和RC 振荡电路 5. 看门狗定时器 6. 1024×14Bits 程序存储器ROM 7. 64×8Bits 数据存储器RAM 8. 128×8Bits 数据存储器EEPROM,符合IIC通信协议(使用方法同24C01一致) 9. 具有PFD 功能,可以用来发声 10. HALT 和唤醒功能可降低功耗 11. 4 层硬件堆栈 12. 4 通道8 位解析度的A/D 转换器 13. 查表指令,表格内容字长14 位 14. 63 条指令,包含位操作指令 15. 指令执行时间为1 或2 个指令周期]
分类和应用: 晶体转换器预分频器计数器存储测试通信可编程只读存储器电动程控只读存储器电可擦编程只读存储器
文件页数/大小: 43 页 / 2641 K
品牌: HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
 浏览型号HT45R04E的Datasheet PDF文件第25页浏览型号HT45R04E的Datasheet PDF文件第26页浏览型号HT45R04E的Datasheet PDF文件第27页浏览型号HT45R04E的Datasheet PDF文件第28页浏览型号HT45R04E的Datasheet PDF文件第30页浏览型号HT45R04E的Datasheet PDF文件第31页浏览型号HT45R04E的Datasheet PDF文件第32页浏览型号HT45R04E的Datasheet PDF文件第33页  
Preliminary  
HT45R04/HT45R04E  
CLR [m].i  
Clear bit of data memory  
Description  
Operation  
The bit i of the specified data memory is cleared to 0.  
[m].i ¬ 0  
Affected flag(s)  
TO  
PDF  
OV  
Z
AC  
C
¾
¾
¾
¾
¾
¾
CLR WDT  
Clear Watchdog Timer  
Description  
The WDT is cleared (clears the WDT). The power down bit (PDF) and time-out bit (TO) are  
cleared.  
Operation  
WDT ¬ 00H  
PDF and TO ¬ 0  
Affected flag(s)  
TO  
0
PDF  
0
OV  
Z
AC  
C
¾
¾
¾
¾
CLR WDT1  
Preclear Watchdog Timer  
Description  
Together with CLR WDT2, clears the WDT. PDF and TO are also cleared. Only execution  
of this instruction without the other preclear instruction just sets the indicated flag which im-  
plies this instruction has been executed and the TO and PDF flags remain unchanged.  
Operation  
WDT ¬ 00H*  
PDF and TO ¬ 0*  
Affected flag(s)  
TO  
0*  
PDF  
0*  
OV  
Z
AC  
C
¾
¾
¾
¾
CLR WDT2  
Preclear Watchdog Timer  
Description  
Together with CLR WDT1, clears the WDT. PDF and TO are also cleared. Only execution  
of this instruction without the other preclear instruction, sets the indicated flag which im-  
plies this instruction has been executed and the TO and PDF flags remain unchanged.  
Operation  
WDT ¬ 00H*  
PDF and TO ¬ 0*  
Affected flag(s)  
TO  
0*  
PDF  
0*  
OV  
Z
AC  
C
¾
¾
¾
¾
CPL [m]  
Complement data memory  
Description  
Each bit of the specified data memory is logically complemented (1¢s complement). Bits  
which previously contained a 1 are changed to 0 and vice-versa.  
Operation  
[m] ¬ [m]  
Affected flag(s)  
TO  
PDF  
OV  
Z
AC  
C
¾
¾
¾
Ö
¾
¾
Rev. 0.00  
29  
December 30, 2004  
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