Windows, Base WSR or WSR1 Value WSR Value for

MEMORY PARTITIONS

Table 5-10. Windows

Base	WSR or WSR1 Value	WSR or WSR1 Value	WSR Value for
Base	WSR or WSR1 Value	WSR or WSR1 Value	128-byte
Address	for 32-byte Window	for 64-byte Window	128-byte
Address	for 32-byte Window	for 64-byte Window	Window
(Hex)	(00E0–00FFH or 0060–007FH)	(00C0–00FFH or 0040–007FH)	Window
(Hex)	(00E0–00FFH or 0060–007FH)	(00C0–00FFH or 0040–007FH)	(0080–00FFH)
			(0080–00FFH)

Peripheral SFRs

† 1FE0	† 7FH
1FC0	7EH	† 3FH
1FA0	7DH
1F80	7CH	3EH	† 1FH
1F60	7BH
1F40	7AH	3DH
1F20	79H
1F00	78H	3CH	1EH
Upper Register File

03E0H	5FH
03C0H	5EH	2FH
03A0H	5DH
0380H	5CH	2EH	17H
0360H	5BH
0340H	5AH	2DH
0320H	59H
0300H	58H	2CH	16H
02E0H	57H
02C0H	56H	2BH
02A0H	55H
0280H	54H	2AH	15H
0260H	53H
0240H	52H	29H
0220H	51H
0200H	50H	28H	14H
01E0H	4FH
01C0H	4EH	27H
01A0H	4DH
0180H	4CH	26H	13H
0160H	4BH
0140H	4AH	25H
0120H	49H
0100H	48H	24H	12H

†For the 8XC196NP, locations 1FE0–1FFFH contain memory-mapped SFRs that cannot be windowed. Reading these locations through a window returns FFH; writing these locations through a window has no effect. For the 80C196NU, these locations are not memory-mapped; they can be windowed.

5-17

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 80C196NU, 8XC196NP manual Windows, Base WSR or WSR1 Value WSR Value for, Peripheral SFRs

Models: Microcontroller 80C196NU 8XC196NP

Table 5-10. Windows

Base

WSR or WSR1 Value

WSR Value for

Peripheral SFRs

Upper Register File

Microcontroller, 80C196NU, 8XC196NP specifications