Microprocessors

A microprocessor also referred to as a CPU, is a computer processor in the form of a single integrated circuit (IC). CPU stands for central processing unit and is the brains of a computer that gives out instruction for the computer program. Microprocessors essentially control most of the functions your computer can do, from browsing the web to writing a document. Therefore a microprocessor is an essential component in computing. A microprocessor IC is a semiconductor device that provides this functionality from a single chip. This is a traditional semiconductor package, such as a BGA or QFN package.

How does a Microprocessor work?

A microprocessor performs both arithmetic and logic operations. It takes a binary input from a device and processes the data based upon instructions that are stored with its memory. These instructions are saved using Cache memory.

What is Word Length?

Computers are driven by specific sets of instructions, the CPU carries these instructions out at great speeds. Data bus width is the rate at which a microprocessor can process data. Word length is the number of bits within the internal data bus. For example, a 32-bit microprocessor will be able to process data faster than an 8-bit microprocessor.

What is Clock Speed?

Clock speed is a value given in MHz or GHz. It refers to the speed that the microprocessor executes instructions.

Where are microprocessors used?

Microprocessors can be found in many applications which require embedded control. This includes:

  • Personal computers
  • Computer peripherals
  • Household appliances
  • Automotive

Microcontrollers are a type of microprocessor which contain the CPU, memory and other inputs and output.


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Description Price Family Name Device Core Data Bus Width Instruction Set Architecture Maximum Frequency I/O Voltage Fabrication Technology Mounting Type Package Type Pin Count Typical Operating Supply Voltage Dimensions Height Length
RS Stock No. 187-9381
Mfr. Part No.DSPIC33CK64MP103-I/M5
BrandMicrochip
HK$23.005
Each (In a Tube of 73)
units
DsPIC - 16bit - 100MHz 3 → 3.6V - Surface Mount UQFN 36 3 → 3.6 V 5 x 5 x 0.55mm - -
RS Stock No. 179-3961
Mfr. Part No.DSPIC33CK256MP503-I/M5
BrandMicrochip
HK$31.721
Each (In a Tube of 73)
units
DsPIC - 16bit - 100MHz 3 → 3.6V CMOS Surface Mount UQFN 36 3.6 (Maximum) V 5 x 5 x 0.55mm - -
RS Stock No. 187-9382
Mfr. Part No.DSPIC33CK64MP105-I/M4
BrandMicrochip
HK$24.622
Each (In a Tube of 61)
units
DsPIC - 16bit - 100MHz 3 → 3.6V - Surface Mount UQFN 48 3 → 3.6 V 6 x 6 x 0.55mm - -
RS Stock No. 200-9796
Mfr. Part No.ATSAMA5D27-WLSOM1
BrandMicrochip
HK$554.45
Each
units
SAMA5D27 - 32bit ARM 500MHz - - - SiP 188 - - - -
RS Stock No. 179-4003
Mfr. Part No.DSPIC33CK256MP508-I/PT
BrandMicrochip
HK$44.92
Each (In a Pack of 2)
units
DsPIC - 16bit - 100MHz 3 → 3.6V CMOS Surface Mount TQFP 80 3.6 (Maximum) V 12 x 12 x 1.05mm - -
RS Stock No. 188-0152
Mfr. Part No.DSPIC33CK64MP102-I/2N
BrandMicrochip
HK$23.362
Each (In a Pack of 5)
units
DsPIC - 16bit - 100MHz 3 → 3.6V - Surface Mount UQFN 28 3 → 3.6 V 6 x 6 x 0.5mm - -
RS Stock No. 126-2520
Mfr. Part No.R7S910018CBG#AC0
HK$461.06
Each
units
RZ/T1 ARM Cortex R4F 32bit ARM Core Sight, Harvard 600MHz 3 → 3.6V - Surface Mount FBGA 320 3.3 V 17.2 x 17.2 x 1.85mm - -
RS Stock No. 151-1493
Mfr. Part No.ATSAMA5D44A-CU
BrandMicrochip
HK$137.29
Each
units
- - - - - - - - - - - - - -
RS Stock No. 179-3991
Mfr. Part No.DSPIC33CK256MP505-I/PT
BrandMicrochip
HK$36.394
Each (In a Pack of 5)
units
DsPIC - 16bit - 100MHz 3 → 3.6V CMOS Surface Mount TQFP 48 3.6 (Maximum) V 7 x 7 x 1.05mm - -
RS Stock No. 175-7180
Mfr. Part No.DSPIC33CH128MP502-I/SS
BrandMicrochip
HK$34.146
Each (In a Tube of 47)
units
DsPIC33CH - 16bit DSP, MCU 180 MHz, 200 MHz - CMOS Surface Mount SSOP 28 3 → 3.6 V 10.5 x 5.6 x 1.85mm - -
RS Stock No. 179-3960
Mfr. Part No.DSPIC33CK256MP502-I/SS
BrandMicrochip
HK$34.966
Each (In a Tube of 47)
units
DsPIC - 16bit - 100MHz 3 → 3.6V CMOS Surface Mount SSOP 28 3.6 (Maximum) V 10.5 x 5.6 x 1.85mm - -
RS Stock No. 180-7542
Mfr. Part No.MA330041-1
BrandMicrochip
HK$271.95
Each
units
DsPIC33 - 16bit - - - - Surface Mount TQFP 80 - - - -
RS Stock No. 180-7544
Mfr. Part No.MA330042
BrandMicrochip
HK$271.95
Each
units
DsPIC33 - 16bit - - - - Surface Mount TQFP 80 - - - -
RS Stock No. 165-8967
Mfr. Part No.Z8S18033VSG
BrandZilog
HK$101.867
Each (In a Tube of 20)
units
Z180 - 8bit CISC 33MHz - - Surface Mount PLCC 68 3.3 V, 5 V 24.33 x 24.33 x 3.91mm - -
RS Stock No. 175-7176
Mfr. Part No.DSPIC33CH128MP506-I/PT
BrandMicrochip
HK$39.746
Each (In a Tray of 160)
units
DsPIC33CH - 16bit DSP, MCU 180 MHz, 200 MHz - CMOS Surface Mount TQFP 64 3 → 3.6 V 10 x 10 x 1.05mm - -
RS Stock No. 165-5129
Mfr. Part No.ATSAMA5D27C-D1G-CU
BrandMicrochip
HK$143.45
Each (In a Tray of 119)
units
SAMA5D2 ARM Cortex A5 32bit ARM 500MHz 1.65 → 3.6V - Surface Mount LFBGA 289 1.2 V, 1.35 V, 1.5 V, 1.8 V, 3.3 V 14 x 14 x 1.03mm - -
RS Stock No. 165-6445
Mfr. Part No.ATSAMA5D27C-D1G-CU
BrandMicrochip
HK$132.16
Each
units
SAMA5D2 ARM Cortex A5 32bit ARM 500MHz 1.65 → 3.6V - Surface Mount LFBGA 289 1.2 V, 1.35 V, 1.5 V, 1.8 V, 3.3 V 14 x 14 x 1.03mm - -
RS Stock No. 175-7179
Mfr. Part No.DSPIC33CH128MP503-I/M5
BrandMicrochip
HK$35.395
Each (In a Tube of 73)
units
DsPIC33CH - 16bit DSP, MCU 180 MHz, 200 MHz - CMOS Surface Mount UQFN 36 3 → 3.6 V 5 x 5 x 0.55mm - -
RS Stock No. 179-3959
Mfr. Part No.DSPIC33CK256MP502-I/2N
BrandMicrochip
HK$29.35
Each (In a Tube of 61)
units
DsPIC - 16bit - 100MHz 3 → 3.6V CMOS Surface Mount UQFN 28 3.6 (Maximum) V 6 x 6 x 0.5mm - -
RS Stock No. 625-9270
Mfr. Part No.Z8S18033VSG
BrandZilog
HK$107.41
Each
units
Z180 - 8bit CISC 33MHz - - Surface Mount PLCC 68 3.3 V, 5 V 24.33 x 24.33 x 3.91mm - -