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An eight-bit processor like the Intel 8008 addresses eight bits, but as this is the full width of the accumulator and other registers, this could be considered either byte-addressable or word-addressable. 32-bit x86 processors, which address memory in 8-bit units but have 32-bit general-purpose registers and can operate on 32-bit items with a ...
147,573,952,589,676,412,928 bits (16 exbibytes) – maximum addressable memory using 64-bit addresses without segmentation. [15] Maximum file size for ZFS filesystem. 2 68: 295,147,905,179,352,825,856 bits (32 exbibytes) 3.5 × 10 20 bits – increase in information capacity when 1 joule of energy is added to a heat-bath at 300 K (27 °C) [16] 2 69
Hence, a microprocessor with 12-bit memory addresses can directly access 4096 words (4 kW) of word-addressable memory. IBM System/360 instruction formats use a 12-bit displacement field which, added to the contents of a base register, can address 4096 bytes of memory in a region that begins at the address in the base register.
The EEPROM is memory-mapped in some devices; in others, it is not directly addressable and is instead accessed through address, data and control I/O registers. The general purpose registers, the status register and some I/O registers are bit-addressable, with bit 0 being the least significant and bit 7 the most significant.
The AVR Dragon provides in-system serial programming, high-voltage serial programming and parallel programming, as well as JTAG or debugWIRE emulation for parts with 32 KB of program memory or less. ATMEL changed the debugging feature of AVR Dragon with the latest firmware of AVR Studio 4 - AVR Studio 5 and now it supports devices over 32 KB of ...
The 6507 uses a 28-pin configuration, with 13 address pins (A0..A12) and 8 data pins (D0..D7). The seven remaining pins are used for power (Vss, Vcc), the CPU timing clock (φ0, φ2), to reset the CPU (the /RES pin), to request a CPU wait state during its next memory read access (the RDY pin), and for the CPU to indicate if a read or write memory (or MMIO device) access is being performed (the ...
After a program was loaded, the value of individual memory locations can be altered using the console buttons. The Honeywell 200 was a character-oriented [ 1 ] : 70C-4S0-01n two-address commercial computer introduced by Honeywell in December 1963, [ 2 ] the basis of later models in Honeywell 200 Series, including 1200, 1250, 2200, 3200, 4200 ...
The 1110 CAU expanded the memory address range from the 18-bits (1108 and 1106) to 24-bits, allowing for up to 16 million words of addressable memory. The core memory used on the 1108/1106 systems was replaced with faster plated-wire memory. Each memory cabinet contained eight independent 8K plated-wire memory modules, or 64K for the entire ...