Multiplexed System Bus Timing 8XC196NP

INTERFACING WITH EXTERNAL MEMORY

		TCLCL			TCHCL
CLKOUT
	TCLLH			TRLCL
	TCLLH	T	LLCH	TLHLH
				TLHLH
ALE
	TLHLL		TLLRL	TRLRH	TRHLH
RD#
	TAVLL		TLLAX	TRLDV	TRHDZ
			TRLAZ
AD15:0		Address Out		Data
(read)			TAVDV
			TAVDV
			TLLWL	TWLWH	TWHLH
WR#
				TQVWH	TWHQX
AD15:0	Address Out			Data Out	Address Out
(write)					TRHBX
					TRHBX
					TWHBX
BHE#,				Valid
INST				Valid
INST
					TRHAX
					TWHAX
AD15:8				Address Out
	TSLDV
A19:16	Address Out
CSx#	Address Out
CSx#
					TWHSH
					TRHSH
					A2367-05

Figure 13-20. Multiplexed System Bus Timing (8XC196NP)

13-37

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, Microcontroller manual Multiplexed System Bus Timing 8XC196NP

Models: Microcontroller 80C196NU 8XC196NP

CLKOUT

Figure 13-20. Multiplexed System Bus Timing (8XC196NP)

Microcontroller, 80C196NU, 8XC196NP specifications