What is the producer and what is its role in a sequential design, this lecture briefly explains the
registers in a sequential circuit and how to describe them in each other's.
A simple register is a set of de flipflops with the same control mechanism.
Which means clock and reset signals are the same.
Then we can write to the flipflops at once or read them all together.
And multiple static variable initialised can be mapped to register the size of the register depends
on the active number of bits in the static variable.
If some of the bits in a static variable are never used, the actual tool may optimize that to a narrower
register.
For example, in this scope, the 32 bit unsigned int data type defines the index variable.
But as it only holds values between zero and one thousand twenty three, then the synthesis tool implements
that with a 10 bit register.
In classic digital design techniques, there are different types of registers.
For example, the shift, which is.
In this register, the flip flops are serially connected together and has one bit input that receives
a stream of bids.
And each look at the data in the register is shifted one bit to the right and the new data is inserted
to the right.
For example, if the original data in an eight week shift register is one zero zero one one zero zero
zero and the input sequence is one zero zero one zero one, then after each clock, the data is shifted
one bit to the right.
Other types of sheep producers are also available, which are not our concern in this course.
This circuit diagram shows the structure of a parallel to.
In this case, the shift register can be initialized to evalu by activating the load signal.
Notice that in contrast to the classical digital circuit design, we don't need to study different types
of registers and how to design them.
However, basic knowledge about research is useful to develop a high performance code.
As mentioned earlier, a static variable can be synthesized into a register.
The structure of the final Hardell register depends on the usage of the static variable.
In our code, for example, an assignment can be inferred into a parallel register.
A shift left or shift right operation can be realized into shift registers or a register can have auxiliary
logic for access.
In the next lecture, I will show how to use to us to develop our first sequential circuit to describe
the flipflops.
These are our takeaway messages, a register is a set of flip flops that are controlled together, a
static variable can be synthesized into a register.
The operations performed on variables determine the structure of the underlying hardware register.
Now, the police question, let's consider the scope, how many registers are in the corresponding article,
hardware after syntheses?