87C196CB SUPPLEMENT

Chapter 9 — Interfacing with External Memory —

discusses differences in the bus timing

modes supported by the 8XC196NT and the 87C196CB.

 

Chapter 10 — Programming the Nonvolatile Memory —

describes the memory maps and rec-

ommended circuits to support programming of the 87C196CB’s 56 Kbytes of OTPROM.

Appendix A — Signal Descriptions —

describes the additional signals implemented on the

87C196CB.

 

 

Glossary — defines terms with special meaning used throughout this supplement.

Index — lists key topics with page number references.

1.2RELATED DOCUMENTS

Table 1-1 lists additional documents that you may find useful in designing systems incorporating the 87C196CB microcontroller.

Table 1-1. Related Documents

Title and Description

Order Number

 

 

8XC196NT Microcontroller User’s Manual

272317

Automotive Products handbook

231792

87C196CB 20 MHz Advanced 16-Bit CHMOS Microcontroller with

272405

Integrated CAN 2.0 (datasheet)

 

1-2

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Intel 8XC196NT, 87C196CB user manual Interfacing with External Memory, Appendix a Signal Descriptions, Related Documents

8XC196NT, 87C196CB specifications

The Intel 87C196CB and 8XC196NT are microcontrollers from the C196 family, which was designed to meet the demands of embedded control technology. These microcontrollers are popular in various applications due to their robust architecture, extensive I/O capabilities, and specialized functionality, making them ideal for automotive, industrial, and communication systems.

The 87C196CB is distinguished by its 16-bit architecture, offering a balance of processing power and efficiency. It features a 16-bit data bus, which allows for fast data processing, and a 16-bit address bus, supporting up to 64KB of program memory. The microcontroller integrates on-chip memory, including 2KB of ROM and 128 bytes of RAM, which facilitates faster execution of programs and data handling.

One of the standout features of the 87C196CB is its versatility in I/O operations. It comes equipped with 32 general-purpose I/O lines that can be configured for various functions, including input, output, and interrupt handling. This flexibility enables developers to optimize the microcontroller for their specific application needs.

The 8XC196NT builds on the capabilities of its predecessor, offering advanced functionalities such as an enhanced instruction set and integrated peripherals. It includes additional features like timers, serial communication interfaces, and analog-to-digital converters, which expand its usability in complex embedded systems. The 8XC196NT supports multiple addressing modes, allowing for more efficient programming and memory management.

Both microcontrollers utilize innovative technologies that improve performance and power efficiency. The on-chip operating system support aids in real-time processing and multitasking, making them suitable for time-sensitive applications. Power management features are also incorporated, allowing these microcontrollers to operate in low-power modes, which is crucial for battery-operated devices.

The 87C196CB and 8XC196NT microcontrollers are characterized by their reliability and long service life, meeting the stringent demands of industrial applications. Their ability to perform tasks rapidly, combined with their diverse peripheral support, makes them popular choices among engineers and developers designing embedded systems. Overall, the Intel 87C196CB and 8XC196NT microcontrollers remain relevant in the rapidly evolving landscape of embedded technology, facilitating innovative solutions across various industries.