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HT48R54A Datasheet(PDF) 18 Page - Holtek Semiconductor Inc

Part # HT48R54A
Description  44-pin QFP/LQFP
Download  42 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT48R54A Datasheet(HTML) 18 Page - Holtek Semiconductor Inc

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HT48R54A
Rev. 1.30
18
2014-04-03
TMR1C 的 0~2 位被用于定义定时/计数器 1 的内部时钟源的预分频级数,定义如表所示:
符号
符号
符号
符号
功能
功能
功能
功能
0
1
2
P1SC0
P1SC1
P1SC2
定义预分频器级数,P1SC2,P1SC1,P1SC0=
000:fINT1= fS1/2
001:fINT1= fS1/4
010:fINT1= fS1/8
011:fINT1= fS1/16
100:fINT1= fS1/32
101:fINT1= fS1/64
110:fINT1= fS1/128
111:fINT1= fS1/256
3
T1E
定义定时/计数器 TMR1 的触发方式
外部事件计数模式(T1M1,T1M0)=(0,1)
1:下降沿触发
0:上升沿触发
脉冲宽度测量模式(T1M1,T1M0)=(1,1)
1:上升沿开始,下降沿结束
0:下降沿开始,上升沿结束
4
T1ON
打开/关闭定时/计数器 1
( 1=打开,0=关闭)
5
T1S
选择 TMR1 时钟源(0=f
SYS;1=fRTC
6
7
T1M0
T1M1
定义工作模式,T1M1,T1M0=
01=外部事件计数模式(外部时钟)
10=定时模式(内部时钟)
11=脉冲宽度测量模式
00=未用
TMR
TMR
TMR
TMR1
11
1C
CC
C(
(11
11
11
11H
HH
H)
)寄存器
寄存器
寄存器
寄存器


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