In computer architecture, 8-bit integers or other data units are those that are 8 bits wide (1 octet). Also, 8-bit central processing unit (CPU) and arithmetic logic unit (ALU) architectures are those that are based on registers or data buses of that size.

2025年2月21日 · It is easy to port C compilers to architectures that look like old minicomputers or bigger CPUs. However, as the authors of the Small Device C Compiler (SDCC) found, pushing C into a typical...

8位元 的 CPU 一般都使用8位元資料匯流排和 16位元 位址匯流排，意思就是他們的 定址空間 侷限於64 KB 之內；然而，這不是「自然法則」，因此有其他的例外。

2012年12月17日 · Long-time Circuit Cellar contributor Tom Cantrell has been following the 8-bit saga for the last 25 years. In Circuit Cellar ‘s 25 th Anniversary issue, he offers his thoughts on 8-bit chips and their future. Here’s a sneak peek. Cantrell writes: “8-bit is dead.” Or so I was told by a colleague. In 1979.

AT89C51RD2/ED2 is high performance CMOS Flash version of the 80C51 CMOS sin- gle chip 8-bit microcontroller. It contains a 64-Kbyte Flash memory block for code and for data. The 64-Kbytes Flash memory can be programmed either in parallel mode or in serial mode with the ISP capability or with software.

T89C51RB2/RC2 is a high-performance FLASH version of the 80C51 8-bit microcon-trollers. It contains a 16K or 32K byte Flash memory block for program and data. The Flash memory can be programmed either in parallel mode or in serial mode with the ISP capability or with software.

AT89C51RE2 is a high performance CMOS Flash version of the 80C51 CMOS single chip 8-bit microcontroller. It contains a 128 Kbytes Flash memory block for program. The 128 Kbytes Flash memory can be programmed either in parallel mode or …

The AT89LP2052/LP4052 is a low-power, high-performance CMOS 8-bit microcon-troller with 2/4K bytes of In-System Programmable Flash memory. The device is manufactured using Atmel's high-density nonvolatile memory technology and is com-patible with the industry-standard MCS-51 instruction set.

5 天之前 · We identify inefficiencies in existing Kyber implementations on 8-bit AVR microcontrollers (MCUs), which are highly resource-constrained. To address this, we propose novel implementation techniques that optimize Kyber for AVR, focusing on high-speed execution, reduced memory consumption, and secure implementation, including Signed LookUp-Table ...

Cmsemicon 8-bit microcontroller platform is based on high-performance 8-bit reduced instruction set core and 8051 core, including CMS79xx series, CMS89xx series, SC8Fxx series, SC8Pxx series, product resources mainly involve AD, touch, operational amplifier, LED/LCD, etc., and provide optimized analog and digital peripherals, flexible pin ...