INSTRUCTION SET REFERENCE

 

Table A-7. Instruction Opcodes (Continued)

 

 

Hex Code

Instruction Mnemonic

 

 

 

 

C0

ST Direct

 

C1

BMOV

 

C2

ST Indirect

 

C3

ST Indexed

 

C4

STB Direct

 

C5

CMPL

 

C6

STB Indirect

 

C7

STB Indexed

 

C8

PUSH Direct

 

C9

PUSH Immediate

 

CA

PUSH Indirect

 

CB

PUSH Indexed

 

CC

POP Direct

 

CD

BMOVI

 

CE

POP Indirect

 

CF

POP Indexed

 

D0

JNST

 

D1

JNH

 

D2

JGT

 

D3

JNC

 

D4

JNVT

 

D5

JNV

 

D4

JNVT

 

D5

JNV

 

D6

JGE

 

D7

JNE

 

D8

JST

 

D9

JH

 

DA

JLE

 

DB

JC

 

DC

JVT

 

DD

JV

 

DE

JLT

 

DF

JE

 

E0

DJNZ

 

E1

DJNZW

 

E2

TIJMP

 

E3

BR Indirect, 64-Kbyte mode

 

EBR Indirect, 1-Mbyte mode

 

 

 

E4

EBMOVI

 

E5

Reserved

 

 

A-51

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Image 356
Intel Microcontroller, 80C196NU, 8XC196NP manual ST Direct

Microcontroller, 80C196NU, 8XC196NP specifications

The Intel 8XC196NP and 80C196NU microcontrollers are part of Intel's renowned 16-bit microcontroller series that gained popularity in the 1980s and 1990s for embedded systems applications. Designed for a variety of applications, these microcontrollers are characterized by their robust performance, versatility, and industry-standard architecture.

The 8XC196NP features an enhanced instruction set with over 100 instructions, allowing for efficient code execution. It operates at clock speeds up to 16 MHz, which contributes to improved performance in time-sensitive applications. The microcontroller is equipped with a 16-bit data bus, enabling more efficient data handling compared to its 8-bit predecessors, thus accommodating complex algorithms and large data sets.

In terms of memory architecture, the 8XC196NP supports an addressable memory space of up to 64 KB of program memory and 64 KB of data memory. This configuration provides sufficient space for large applications while ensuring fast data access. The microcontroller includes integrated features such as timers, serial I/O capabilities, and interrupt processing, which enhance its functionality for real-time applications and control mechanisms.

The 80C196NU, on the other hand, is designed for lower power operation, making it suitable for battery-powered devices. This microcontroller maintains similar features to the 8XC196NP while offering advancements that support low-power consumption. The 80C196NU can also function in a range of temperature environments, making it adaptable for industrial applications.

Both the 8XC196NP and 80C196NU support external memory interfacing, allowing designers to expand the system's capability by connecting additional ROM and RAM. This flexibility makes them appealing for developing complex systems, such as motor controls, industrial automation, and consumer electronics.

Another standout feature of these microcontrollers is their built-in debugging capabilities. Intel provided hardware and software tools that enabled developers to test and troubleshoot their applications effectively, reducing the development time and increasing reliability.

Overall, the Intel 8XC196NP and 80C196NU microcontrollers stand out for their dependability, versatility, and performance, contributing significantly to the evolution of embedded system design. Their legacy continues to influence modern microcontroller technology, ensuring their relevance in a wide array of applications today.