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Chapter 2: Custom single-purpose processors - page 9 / 29

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Embedded Systems Design: A Unified Hardware/Software Introduction, (c) 2000 Vahid/Givargis

Sequential components

Q =

  0 if clear=1,

  I if load=1 and clock=1,

  Q(previous) otherwise.

Q =

  0 if clear=1,

  Q(prev)+1 if count=1 and clock=1.

clear

n-bit

Register

n

n

load

I

Q

shift

I

Q

n-bit

Shift register

n-bit

Counter

n

Q

Q = lsb

  - Content shifted

  - I stored in msb

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