8XC196NP, 80C196NU USER’S MANUAL

Table A-7. Instruction Opcodes (Continued)

Hex Code

Instruction Mnemonic

97XORB Indexed

98CMPB Direct

99CMPB Immediate

9A

CMPB Indirect

9B

CMPB Indexed

9C

DIVUB Direct

9D

DIVUB Immediate

9E

DIVUB Indirect

9F

DIVUB Indexed

A0

LD Direct

A1

LD Immediate

A2

LD Indirect

A3

LD Indexed

A4

ADDC Direct

A5

ADDC Immediate

A6

ADDC Indirect

A7

ADDC Indexed

A8

SUBC Direct

A9

SUBC Immediate

AA

SUBC Indirect

AB

SUBC Indexed

AC

LDBZE Direct

AD

LDBZE Immediate

AE

LDBZE Indirect

AF

LDBZE Indexed

B0

LDB Direct

B1

LDB Immediate

B2

LDB Indirect

B3

LDB Indexed

B4

ADDCB Direct

B5

ADDCB Immediate

B6

ADDCB Indirect

B7

ADDCB Indexed

B8

SUBCB Direct

B9

SUBCB Immediate

BA

SUBCB Indirect

BB

SUBCB Indexed

BC

LDBSE Direct

BD

LDBSE Immediate

BE

LDBSE Indirect

BF

LDBSE Indexed

A-50

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Intel Microcontroller manual 8XC196NP, 80C196NU USER’S Manual

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.