8XC196NP, 80C196NU USER’S MANUAL

Table C-2. Register Name, Address, and Reset Status

Register

Register Name

Hex

Binary Reset Value

 

 

 

 

Mnemonic

Address

High

Low

 

 

 

 

 

 

 

 

 

 

 

ACC_00 (NU)

Accumulator 0

000CH

0000

0000

0000

0000

 

 

 

 

 

 

 

ACC_02 (NU)

Accumulator 2

000EH

0000

0000

0000

0000

 

 

 

 

 

 

 

ACC_STAT (NU)

Accumulator Control and Status

000BH

 

 

0000

0000

 

 

 

 

 

 

 

ADDRCOM0

Address Compare 0

1F40H

0000

1111

0010

0000

 

 

 

 

 

 

 

ADDRCOM1

Address Compare 1

1F48H

XXXX

0000

0000

0000

 

 

 

 

 

 

 

ADDRCOM2

Address Compare 2

1F50H

XXXX

0000

0000

0000

 

 

 

 

 

 

 

ADDRCOM3

Address Compare 3

1F58H

XXXX

0000

0000

0000

 

 

 

 

 

 

 

ADDRCOM4

Address Compare 4

1F60H

XXXX

0000

0000

0000

 

 

 

 

 

 

 

ADDRCOM5

Address Compare 5

1F68H

XXXX

0000

0000

0000

 

 

 

 

 

 

 

ADDRMSK0

Address Mask 0

1F42H

XXXX

1111

1111

1111

 

 

 

 

 

 

 

ADDRMSK1

Address Mask 1

1F4AH

XXXX

1111

1111

1111

 

 

 

 

 

 

 

ADDRMSK2

Address Mask 2

1F52H

XXXX

1111

1111

1111

 

 

 

 

 

 

 

ADDRMSK3

Address Mask 3

1F5AH

XXXX

1111

1111

1111

 

 

 

 

 

 

 

ADDRMSK4

Address Mask 4

1F62H

XXXX

1111

1111

1111

 

 

 

 

 

 

 

ADDRMSK5

Address Mask 5

1F6AH

XXXX

1111

1111

1111

 

 

 

 

 

 

 

BUSCON0

Bus Control 0

1F44H

 

 

0000

0011

 

 

 

 

 

 

 

BUSCON1

Bus Control 1

1F4CH

 

 

0000

0000

 

 

 

 

 

 

 

BUSCON2

Bus Control 2

1F54H

 

 

0000

0000

 

 

 

 

 

 

 

BUSCON3

Bus Control 3

1F5CH

 

 

0000

0000

 

 

 

 

 

 

 

BUSCON4

Bus Control 4

1F64H

 

 

0000

0000

 

 

 

 

 

 

 

BUSCON5

Bus Control 5

1F6CH

 

 

0000

0000

 

 

 

 

 

 

 

CCR0

Chip Configuration 0

FF2018H

 

 

XXXX

XXXX

 

 

 

 

 

 

 

CCR1

Chip Configuration 1

FF201AH

 

 

XXXX

XXXX

 

 

 

 

 

 

 

CON_REG0

PWM Clock Prescaler Control 0

1FB6H

 

 

1111

1110

 

 

 

 

 

 

 

EP_DIR

Extended Port I/O Direction

1FE3H

 

 

1111

1111

 

 

 

 

 

 

 

EP_MODE

Extended Port Mode

1FE1H

 

 

1111

1111

 

 

 

 

 

 

 

EP_PIN

Extended Port Pin Input

1FE7H

 

 

XXXX

XXXX

 

 

 

 

 

 

 

EP_REG

Extended Port Data Output

1FE5H

 

 

XXXX

0000

 

 

 

 

 

 

 

EPA_MASK

EPA Mask

1F9CH

 

 

1010

1010

 

 

 

 

 

 

 

EPA_PEND

EPA Pending

1F9EH

 

 

1010

1010

 

 

 

 

 

 

 

EPA0_CON

EPA Capture/Comp 0 Control

1F80H

 

 

0000

0000

 

 

 

 

 

 

 

EPA1_CON

EPA Capture/Comp 1 Control

1F84H

0000

0000

0000

0000

 

 

 

 

 

 

 

C-2

Page 392 Page 394
Page 393
Image 393
Intel 80C196NU, 8XC196NP, Microcontroller manual Table C-2. Register Name, Address, and Reset Status
Page 392 Page 394

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.
Top Page Image Contents