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Intel 8XC196NP, 80C196NU manual Memory Partitions, Ffh, 80C196NP/NU External 83C196NP ROM

Models: Microcontroller 80C196NU 8XC196NP

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MEMORY PARTITIONS

FFFFFFH

FF3000H

FF2FFFH

FF2080H

FF207FH

FF2000H

FF1FFFH

FF0100H

FF00FFH

FF0000H

Page FFH

External Memory

Program Memory

80C196NP/NU: External

83C196NP: ROM

Special Purpose Memory 80C196NP/NU: External 83C196NP: ROM

External Memory

Reserved

00FFFFH

003000H

002FFFH

002000H

001FFFH

001F00H

001EFFH

001C00H

001BFFH

000400H

0003FFH

000100H

0000FFH

000000H

Page 00H

External Memory

80C196NP/NU: External Memory 83C196NP: External Memory if CCB1.2 = 0

A Copy of

Page FFH if CCB1.2 = 1

Peripheral SFRs

External Memory

(Future SFR

Expansion)

External Memory

Upper Register File

Lower Register File

A2462-03

Figure 5-2. Pages FFH and 00H

5.2MEMORY PARTITIONS

Table 5-1 is a memory map of the 8XC196NP and 80C196NU. The remainder of this section de- scribes the partitions.

5-3

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Intel 8XC196NP, 80C196NU, Microcontroller manual Memory Partitions, Ffh, 80C196NP/NU External 83C196NP ROM
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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.