REGISTERS

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

Register

Register Name

Hex

 

Binary Reset Value

 

 

 

 

Mnemonic

Address

High

Low

 

 

 

 

 

 

 

 

 

 

 

EPA2_CON

EPA Capture/Comp 2 Control

1F88H

 

 

0000

0000

 

 

 

 

 

 

 

EPA3_CON

EPA Capture/Comp 3 Control

1F8CH

0000

0000

0000

0000

 

 

 

 

 

 

 

EPA0_TIME

EPA Capture/Comp 0 Time

1F82H

0000

0000

0000

0000

 

 

 

 

 

 

 

EPA1_TIME

EPA Capture/Comp 1 Time

1F86H

0000

0000

0000

0000

 

 

 

 

 

 

 

EPA2_TIME

EPA Capture/Comp 2 Time

1F8AH

0000

0000

0000

0000

 

 

 

 

 

 

 

EPA3_TIME

EPA Capture/Comp 3 Time

1F8EH

0000

0000

0000

0000

 

 

 

 

 

 

 

INT_MASK

Interrupt Mask

0008H

 

 

0000

0000

 

 

 

 

 

 

 

INT_MASK1

Interrupt Mask 1

0013H

 

 

0000

0000

 

 

 

 

 

 

 

INT_PEND

Interrupt Pending

0009H

 

 

0000

0000

 

 

 

 

 

 

 

INT_PEND1

Interrupt Pending 1

0012H

 

 

0000

0000

 

 

 

 

 

 

 

ONES_REG

Ones Register

0002H

1111

1111

1111

1111

 

 

 

 

 

 

 

P1_DIR

Port 1 I/O Direction

1FD2H

 

 

1111

1111

 

 

 

 

 

 

 

P1_MODE

Port 1 Mode

1FD0H

 

 

0000

0000

 

 

 

 

 

 

 

P1_PIN

Port 1 Pin Input

1FD6H

 

 

XXXX

XXXX

 

 

 

 

 

 

 

P1_REG

Port 1 Data Output

1FD4H

 

 

1111

1111

 

 

 

 

 

 

 

P2_DIR

Port 2 I/O Direction

1FD3H

 

 

1111

1111

 

 

 

 

 

 

 

P2_MODE

Port 2 Mode

1FD1H

 

 

1000

0000

 

 

 

 

 

 

 

P2_PIN

Port 2 Pin Input

1FD7H

 

 

XXXX

XXXX

 

 

 

 

 

 

 

P2_REG

Port 2 Data Output

1FD5H

 

 

1111

1111

 

 

 

 

 

 

 

P3_DIR

Port 3 I/O Direction

1FDAH

 

 

1111

1111

 

 

 

 

 

 

 

P3_MODE

Port 3 Mode

1FD8H

 

 

0000

0001

 

 

 

 

 

 

 

P3_PIN

Port 3 Pin Input

1FDEH

 

 

XXXX

XXXX

 

 

 

 

 

 

 

P3_REG

Port 3 Data Output

1FDCH

 

 

1111

1111

P4_DIR

Port 4 I/O Direction

1FDBH

 

 

1111

1111

 

 

 

 

 

 

 

P4_MODE

Port 4 Mode

1FD9H

 

 

0000

0000

 

 

 

 

 

 

 

P4_PIN

Port 4 Pin Input

1FDFH

 

 

XXXX

XXXX

 

 

 

 

 

 

 

P4_REG

Port 4 Data Output

1FDDH

 

 

1111

1111

 

 

 

 

 

 

 

PSW

Program Status Word

 

 

 

 

 

 

 

 

 

 

 

 

PTSSEL

PTS Select

0004H

0000

0000

0000

0000

 

 

 

 

 

 

 

PTSSRV

PTS Service

0006H

0000

0000

0000

0000

 

 

 

 

 

 

 

PWM0_CONTROL

PWM 0 Control

1FB0H

 

 

0000

0000

 

 

 

 

 

 

 

PWM1_CONTROL

PWM 1 Control

1FB2H

 

 

0000

0000

 

 

 

 

 

 

 

PWM2_CONTROL

PWM 2 Control

1FB4H

 

 

0000

0000

 

 

 

 

 

 

 

SBUF_RX

Serial Port Receive Buffer

1FB8H

 

 

0000

0000

 

 

 

 

 

 

 

C-3

Page 393 Page 395
Page 394
Image 394
Intel 8XC196NP manual EPA3CON, EPA2TIME, EPA3TIME, 1FD6H Xxxx P1REG, 1FD7H Xxxx P2REG, 1FDEH Xxxx P3REG, 1FDFH Xxxx P4REG
Page 393 Page 395

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.
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