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HT48R54A Scheda tecnica(PDF) 34 Page - Holtek Semiconductor Inc

Il numero della parte HT48R54A
Spiegazioni elettronici  44-pin QFP/LQFP
Download  42 Pages
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Produttore elettronici  HOLTEK [Holtek Semiconductor Inc]
Homepage  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT48R54A Scheda tecnica(HTML) 34 Page - Holtek Semiconductor Inc

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HT48R54A
Rev. 1.30
34
2014-04-03
RETI
Return from interrupt
说明:
将堆栈寄存器中的程序计数器值恢复且中断功能通过设置 EMI 位重新使能。EMI 是控制
中断使能的主控制位。如果在执行 RETI 指令之前还有中断未被相应,则这个中断将在
返回主程序之前被相应。
运算过程:
PC
Stack
EMI
1
影响标志位:
RL
[m]
Rotate data memory left
说明:
将指定数据存储器的内容左移 1 位,且第 7 位移到第 0 位。
运算过程:
[m].(i+1)
[m].i
(i=0~6)
[m].0
[m].7
影响标志位:
RLA
[m]
Rotate data memory left and place result in the accumulator
说明:
将指定数据存储器的内容左移 1 位,且第 7 位移到第 0 位,结果送到累加器,而指定数
据存储器的内容保持不变。
运算过程:
ACC.(i+1)
[m].i (i=0~6)
ACC.0
[m].7
影响标志位:
RLC
[m]
Rotate data memory left through carry
说明:
将指定数据存储器的内容连同进位标志左移 1 位,第 7 位取代进位标志且原本的进位标
志移到第 0 位。
运算过程:
[m].(i+1)
[m].i
(i=0~6)
[m].0
C
C
[m].7
影响标志位:
C
RLCA
[m]
Rotate left through carry and place result in the accumulator
说明:
将指定数据存储器的内容连同进位标志左移 1 位,第 7 位取代进位标志且原本的进位标
志移到第 0 位,移位结果送回累加器,但是指定数据寄存器的内容保持不变。
运算过程:
ACC.(i+1)
[m].i
(i=0~6)
ACC.0
C
C
[m].7
影响标志位:
C
RR
[m]
Rotate data memory right
说明:
将指定数据存储器的内容循环右移 1 位且第 0 位移到第 7 位。
运算过程:
[m].i
[m].(i+1)
(i=0~6)
[m].7
[m].0,
影响标志位:


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