Hex Code

8XC196NP, 80C196NU USER’S MANUAL

Table A-7. Instruction Opcodes (Continued)

Instruction Mnemonic

44ADD Direct (3 ops)

45ADD Immediate (3 ops)

46ADD Indirect (3 ops)

47ADD Indexed (3 ops)

48SUB Direct (3 ops)

49SUB Immediate (3 ops)

4A	SUB Indirect (3 ops)
4B	SUB Indexed (3 ops)
4C	MULU Direct (3 ops)
4D	MULU Immediate (3 ops)
4E	MULU Indirect (3 ops)
4F	MULU Indexed (3 ops)

50ANDB Direct (3 ops)

51ANDB Immediate (3 ops)

52ANDB Indirect (3 ops)

53ANDB Indexed (3 ops)

54ADDB Direct (3 ops)

55ADDB Immediate (3 ops)

56ADDB Indirect (3 ops)

57ADDB Indexed (3 ops)

58SUBB Direct (3 ops)

59SUBB Immediate (3 ops)

5A	SUBB Indirect (3 ops)
5B	SUBB Indexed (3 ops)
5C	MULUB Direct (3 ops)
5D	MULUB Immediate (3 ops)
5E	MULUB Indirect (3 ops)
5F	MULUB Indexed (3 ops)

60AND Direct (2 ops)

61AND Immediate (2 ops)

62AND Indirect (2 ops)

63AND Indexed (2 ops)

64ADD Direct (2 ops)

65ADD Immediate (2 ops)

66ADD Indirect (2 ops)

67ADD Indexed (2 ops)

68SUB Direct (2 ops)

69SUB Immediate (2 ops)

6A	SUB Indirect (2 ops)
6B	SUB Indexed (2 ops)
6C	MULU Direct (2 ops)

A-48

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.

Intel Microcontroller, 80C196NU, 8XC196NP manual Hex Code

Models: Microcontroller 80C196NU 8XC196NP

8XC196NP, 80C196NU USER’S MANUAL

Table A-7. Instruction Opcodes (Continued)

Hex Code

Microcontroller, 80C196NU, 8XC196NP specifications