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The Intel 8085 ("eighty-eighty-five") is an 8-bit microprocessor produced by Intel and introduced in March 1976. [2] It is the last 8-bit microprocessor developed by Intel. It is software-binary compatible with the more-famous Intel 8080 with only two minor instructions added to support its added interrupt and serial input/output features.
The Intel 8085 CPU used a 6.144 MHz crystal, resulting in the processor operating at 3.072 MHz. The basic system had 256 bytes of RAM and 2048 bytes of ROM.The base system also had cassette tape IO, serial IO which could be configured for RS-232 or current loop, and thirty eight bits of parallel IO.
8085. Introduced March 1976; Clock rate 3 MHz [9] ... The first version was an 80486DX with disabled math coprocessor in the chip and different pin configuration. If ...
The Intel 8080 ("eighty-eighty") is the second 8-bit microprocessor designed and manufactured by Intel.It first appeared in April 1974 and is an extended and enhanced variant of the earlier 8008 design, although without binary compatibility. [3]
The 8255 is a member of the MCS-85 family of chips, designed by Intel for use with their 8085 and 8086 microprocessors and their descendants. [1] It was first available in a 40-pin DIP and later a 44-pin PLCC packages. [2] It found wide applicability in digital processing systems and was later cloned by other manufacturers.
The 825x family was primarily designed for the Intel 8080/8085 ... Intel 82C54 was in 28-pin PLCC of sampling at ... channel configuration may be read back in ...
The 8086 [3] (also called iAPX 86) [4] is a 16-bit microprocessor chip designed by Intel between early 1976 and June 8, 1978, when it was released. The Intel 8088, released July 1, 1979, [5] is a slightly modified chip with an external 8-bit data bus (allowing the use of cheaper and fewer supporting ICs), [note 1] and is notable as the processor used in the original IBM PC design.
For 8051 / 8080 / 8085 / Z80, reset starts code execution at address 0x0000. For AVR, reset starts code execution at address 0x0000; often a Relative Jump instruction (RJMP) is placed here to jump to the reset handling routine within the bottom 4K of memory. For PIC, reset starts code execution at address 0x0000.