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4
votes
1answer
124 views

Microprocessor architecture bits vs bus sizes

I am ready following on this website: "Another big difference between 32-bit processors and 64-bit processors is the maximum amount of memory (RAM) that is supported. 32-bit computers support a ...
0
votes
1answer
213 views

I2c slave address confusion?

Can someone explain which address will be used for ADV7511 for I2C if it is stated that it is either 0x72 or 0x7a in adv 7511programming guide [page 16]? If I am right, we send 8 bits per transfer, ...
1
vote
2answers
193 views

Big address space and small physical size?

The Intel D1000 MCU datasheet says: The MCU has 4 kB of data flash and 32 kB of code flash. Code flash occupies the address range 0x2000 0000 to 0x3FFF FFFF and is aliased throughout. It is ...
0
votes
1answer
538 views

Bit Addressing in 8051

Can i only use the MOV command (for bit addressable registers like PSW,ACC as well as ports ) with the carry bit? Is the command : MOV PSW.4,ACC.4 work with the assembler? if not why? How can i ...
1
vote
2answers
211 views

When looped, memory address not being displayed sequentially while skipping intermediate memory

I am trying to run through a sequence of memory and display it on the command window. Here is the code: ...
4
votes
1answer
853 views

Is 3 bytes a min to address a register in a 256K EEPROM?

I am really new to electronics and embeds and I am struggling with some probably basic notions. (I have a software background.) I have an EEPROM (24LC256) connected to an MBED microcontroller and I ...
2
votes
1answer
445 views

PIC (18 series) 12-bit Instruction Addressing?

I'm trying to find the 12-bit address in hex -- as well as the memory bank being used -- by the last instruction in the sequences listed below. Before I list the sequences, it is my understanding ...
0
votes
2answers
369 views

PIC24E writing address and increment for ICSP programming

I am trying to program my Microchip PIC24EP512GU814 in ICSP mode. The resource I'm using to do this is the Microchip dsPIC33E/PIC24E Flash programming Specifications (70619B) and the Microchip ...
0
votes
3answers
1k views

What does address like 0xABCD_EFGH means in a memory map?

What does an address like 0xABCD_EFGH means in a memory map? I am new to programming microcontrollers, so please excuse me if its a bit lame. What does one mean by "123 Data Input Registers (GPDI0_3–...