User: chakraborty.rai20

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Posts by chakraborty.rai20

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Page: ARM7: A 32 bit Microcontroller(part 2)
... **Status Registers:** There are two types of status registers are used. 1) Current Processor Status Register (CPSR) 2) Save Program Status Register (SPSR) **CPSR: Current Processor Status Register** ARM core uses CPSR to monitor & control internal operations. The unused part reserved for futu ...
page kombook written 3 days ago by chakraborty.rai200
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Page: ARM7: A 32 bit Microcontroller(part 1)
... Most of processors are “synchronous”. They use a clock to time when instructions occur. A synchronous processor carries out same number of instructions instruction per clock cycle. We can get more processor power simply by increasing the clock frequency. Increasing the clock rate is one of the most ...
page kombook written 3 days ago by chakraborty.rai200
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Page: ARM Programming with Embedded C(part 3)
... **6.3 Pulse Width Modulator Configuration** Pulse Width Modulation is used to keep frequency constant but width of pulse is varied. It is used for controlling analog circuits with processors digital outputs. *Duty Cycle:* When signal is high then it’s called as ON time. To describe amount of ON ...
page kombook written 3 days ago by chakraborty.rai200
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Page: ARM Programming with Embedded C(part 3)
... **6.3 Pulse Width Modulator Configuration** Pulse Width Modulation is used to keep frequency constant but width of pulse is varied. It is used for controlling analog circuits with processors digital outputs. *Duty Cycle:* When signal is high then it’s called as ON time. To describe amount of ON ...
page kombook written 3 days ago by chakraborty.rai200
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Page: ARM Programming with Embedded C(part 2)
... | Pin 55: P0.20/ SSEL1/ MAT1.3/ EINT3 P0.20 is a GPIO digital pin I/O. MAT1.3 is a match o/p for Timer 1, channel 3. I SSEL1 is a Slave Select designed for SSP. Here, chooses the interface of SSP as a slave. EINT3 is an external interrupt 3-input. | Pin56: P1.29/TCK P1.29 is a GPIO digital pin ...
page kombook written 3 days ago by chakraborty.rai200
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Page: ARM Programming with Embedded C(part 1)
... About LPC2148 Microcontroller: LPC2148 is ARM7 based microcontroller designed by Philips with several features. Features of LPC2148: • LPC2148 is 32 bit or 16 bit ARM7 family based microcontroller. • In System Programming (ISP) or In Application Programming (IAP) using on chip boot loader soft ...
page kombook written 3 days ago by chakraborty.rai200
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Page: ARM7 Programming and Instructions
... ARM instructions processes data which is in register and access memory with load store instructions. ARM instructions commonly take two or three operands. Consider example that ADD instruction add two values stored in register $r_1$ and $r_2$. These two registers are called as source registers. Res ...
page kombook written 5 days ago by chakraborty.rai200
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Page: 8051 programming (part 1)
... Assembly Language: An assembly language is a low level language for a computer microcontroller and other programmable device,in which each statement corresponds to a single machine code instruction.Each assembly language is specific to particular computer architecture in contrast to most high level ...
page kombook written 20 days ago by chakraborty.rai200
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Page: 8051 Programming(Part 1)
... Assembly Language: An assembly language is a low level language for a computer microcontroller and other programmable device,in which each statement corresponds to a single machine code instruction.Each assembly language is specific to particular computer architecture in contrast to most high level ...
page kombook written 21 days ago by chakraborty.rai200
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Page: 8051 Microcontroller part-1
... **Introduction:** ***Microcontroller:***A microcontroller is a highly integrated chip, which includes on single chip, all or most of the parts needed for a controller. The microcontroller typically includes: CPU, RAM, EPROM/PROM/ROM (Erasable Programmable Read Only nT I/O (input/output) — serial an ...
page kombook written 22 days ago by chakraborty.rai200

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