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Showing posts from February, 2023

sequential (19) System Bus

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https://wodewangzhishime.blogspot.com/2023/02/translate-selected-text.html . Ref:  https://wodewangzhishime.blogspot.com/2023/02/if-ipaddress133133-nathon-road.html . . . . John : The usage of the circuit of Master-Slave is that. . 1) The Clock line is in an up-cycle.  . 2) The master can't be input cause the Clock of the Master is in a Down-cycle. Note: there's an inverter in the master.  . 4) The master can only output.  . 5) The Slave can be input cause the Clock of the slave is in an Up Cycle.  . . John : Now, we mention about field. Here're 4 fields. They are,  . Subject [Register A] Object [Register B] Interrupt status [SPI] Data bus Width [1 bit] Left_Right_Shift [Right] Acknowledged [Slave] <--- It shows that the connection is good. . . If acknowledge = slave { For (int i = 0; i < 20; i++) { <--- Data bus width [1 bit] Sum = Sum + i; <-- Here mean bit by bit right shift. if (i = 19) { MOV buffer, Sum. <---- Miuson hack this code. } }...

sequential (28) Phase

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  https://wodewangzhishime.blogspot.com/2023/02/if-ipaddress133133-nathon-road.html Ref:  https://wodewangzhishime.blogspot.com/2022/06/httpswodewangzhishime_8.html . . . . . John: There're 3 pictures above. Me: OK. John: The 1st picture explain to you what is 3 phase. Me: OK. John: Now, look at the 2nd picture. It is about chemistry. It is about delocalization of electrons. Me: OK. John: The current is flowing to the right hand side. Me: OK. John: Both a , b , c are at different phase.  a is at phase 3, b is at phase 2 and c is at phase 1. Me: OK. . John: We look at the 3rd picture. It is about electronic. Me: OK. John: The current is flowing to the right hand side.  a is at phase 3.  b is at phase 2.  c is at phase 1.

sequential (18) Level trigger

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  https://wodewangzhishime.blogspot.com/2022/12/i-know-everythings.html . Ref:  https://kamchihau.blogspot.com/2022/08/heat-expand-cold-shrink.html . . .  . It is level trigger, not edge trigger. . if (input voltage between 3V and 10V) { output = 1; } else  { output = 0; } . Consequently, input = 3V or 4V or 5v or 6v or 7v or 8v or 9v or 10v, output is still 1. . .