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HT45FH4M 参数 Datasheet PDF下载

HT45FH4M图片预览
型号: HT45FH4M
PDF下载: 下载PDF文件 查看货源
内容描述: 锂电池备用电源ASSP MCU [Lithium Battery Backup Power ASSP MCU]
分类和应用: 电池
文件页数/大小: 138 页 / 5461 K
品牌: HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
 浏览型号HT45FH4M的Datasheet PDF文件第22页浏览型号HT45FH4M的Datasheet PDF文件第23页浏览型号HT45FH4M的Datasheet PDF文件第24页浏览型号HT45FH4M的Datasheet PDF文件第25页浏览型号HT45FH4M的Datasheet PDF文件第27页浏览型号HT45FH4M的Datasheet PDF文件第28页浏览型号HT45FH4M的Datasheet PDF文件第29页浏览型号HT45FH4M的Datasheet PDF文件第30页  
HT45FH4M  
Lithium Battery Backup Power ASSP MCU  
STATUS Register  
Bit  
Name  
R/W  
7
6
5
TO  
R
4
PDF  
R
3
OV  
R/W  
×
2
Z
1
AC  
R/W  
×
0
C
R/W  
R/W  
×
POR  
0
0
×
"×" ꢀnknown  
Bitꢀ7ꢀ~ꢀ6ꢀ  
Bitꢀ5ꢀ  
Unimplemented,ꢀreadꢀasꢀ"0"  
TO:ꢀWatchdogꢀTime-Outꢀflagꢀ  
ꢀ 0:ꢀAfterꢀpowerꢀupꢀorꢀexecutingꢀtheꢀ"CLRꢀWDT"ꢀorꢀ"HALT"ꢀinstructionꢀ  
ꢀ 1:ꢀAꢀwatchdogꢀtime-outꢀoccurred.  
Bitꢀ4ꢀ  
Bitꢀ3ꢀ  
PDF:ꢀPowerꢀdownꢀflagꢀ  
ꢀ 0:ꢀAfterꢀpowerꢀupꢀorꢀexecutingꢀtheꢀ"CLRꢀWDT"ꢀinstructionꢀ  
ꢀ 1:ꢀByꢀexecutingꢀtheꢀ"HALT"ꢀinstruction  
OV:ꢀOverflowꢀflagꢀ  
ꢀ 0:ꢀnoꢀoverflowꢀ  
ꢀ 1:ꢀanꢀoperationꢀresultsꢀinꢀaꢀcarryꢀintoꢀtheꢀhighest-orderꢀbitꢀbutꢀnotꢀaꢀcarryꢀoutꢀofꢀtheꢀꢀ  
ꢀꢀꢀꢀꢀꢀꢀhighest-orderꢀbitꢀorꢀviceꢀversa.  
Bitꢀ2ꢀ  
Bitꢀ1ꢀ  
Z:ꢀZeroꢀflagꢀ  
ꢀ 0:ꢀTheꢀresultꢀofꢀanꢀarithmeticꢀorꢀlogicalꢀoperationꢀisꢀnotꢀzeroꢀ  
ꢀ 1:ꢀTheꢀresultꢀofꢀanꢀarithmeticꢀorꢀlogicalꢀoperationꢀisꢀzero  
AC:ꢀAuxiliaryꢀflagꢀ  
ꢀ 0:ꢀnoꢀauxiliaryꢀcarryꢀ  
ꢀ 1:ꢀanꢀoperationꢀresultsꢀinꢀaꢀcarryꢀoutꢀofꢀtheꢀlowꢀnibblesꢀinꢀaddition,ꢀorꢀnoꢀborrowꢀꢀ  
ꢀꢀꢀꢀꢀꢀꢀfromꢀtheꢀhighꢀnibbleꢀintoꢀtheꢀlowꢀnibbleꢀinꢀsubtraction  
Bitꢀ0ꢀ  
C:ꢀCarryꢀflagꢀ  
ꢀ 0:ꢀnoꢀcarry-outꢀ  
ꢀ 1:ꢀanꢀoperationꢀresultsꢀinꢀaꢀcarryꢀduringꢀanꢀadditionꢀoperationꢀorꢀifꢀaꢀborrowꢀdoesꢀnotꢀ  
ꢀꢀꢀꢀꢀꢀꢀtakeꢀplaceꢀduringꢀaꢀsubtractionꢀoperation  
Cꢀisꢀalsoꢀaffectedꢀbyꢀaꢀrotateꢀthroughꢀcarryꢀinstruction.  
Rev. 1.10  
ꢅ6  
�anꢀaꢁꢂ 1ꢃꢄ ꢅ01ꢆ  
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