STANDARD AND PTS INTERRUPTS

PTS Block Transfer Mode Control Block (Continued)

Register

Location

 

 

 

 

Function

 

 

 

 

 

PTSCON

PTSCB + 1 PTS Control Bits

 

 

 

 

 

 

 

 

 

 

M2:0

PTS Mode

 

 

 

 

 

These bits select the PTS mode:

 

 

 

M2

M1

M0

 

 

 

 

0

 

0

0

block transfer mode

 

 

 

 

 

 

 

BW

Byte/Word Transfer

 

 

 

 

0

= word transfer

 

 

 

 

1

= byte transfer

 

 

 

 

 

 

 

 

SU

Update PTSSRC

 

 

 

 

0

=

reload original PTS source address after each block

 

 

 

 

 

transfer is complete

 

 

 

1

=

retain current PTS source address after each block transfer

 

 

 

 

 

is complete

 

 

 

 

 

 

 

 

DU

Update PTSDST

 

 

 

 

0

=

reload original PTS destination address after each block

 

 

 

 

 

transfer is complete

 

 

 

1

=

retain current PTS destination address after each block

 

 

 

 

 

transfer is complete

 

 

 

 

 

 

SI

PTSSRC Autoincrement

 

 

 

0

=

do not increment the contents of PTSSRC after each byte

 

 

 

 

 

or word transfer

 

 

 

 

1

=

increment the contents of PTSSRC after each byte or word

 

 

 

 

 

transfer

 

 

 

 

 

 

 

 

DI

PTSDST Autoincrement

 

 

 

0

=

do not increment the contents of PTSDST after each byte

 

 

 

 

 

or word transfer

 

 

 

 

1

=

increment the contents of PTSDST after each byte or word

 

 

 

 

 

transfer

 

 

 

 

 

 

 

 

 

 

PTSCOUNT PTSCB + 0 Consecutive Block Transfers

Defines the number of blocks that will be transferred during the block transfer routine. Each block transfer is one PTS cycle. Maximum number is 255.

Figure 6-13. PTS Control Block — Block Transfer Mode (Continued)

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Intel 80C196NU, 8XC196NP, Microcontroller manual Increment the contents of Ptssrc after each byte or word

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.