8XC196NP, 80C196NU USER’S MANUAL

 

 

 

 

8

 

 

 

 

 

 

 

 

PWMx_CONTROL

Load

 

 

 

 

 

8

Buffer

 

 

 

 

 

 

 

 

 

 

 

Bufferx

 

 

 

 

 

 

8

 

 

 

 

CON_REG0.0

 

Comparatorx

=

 

 

 

(CLK0 Bit)

 

 

 

 

 

 

 

 

 

 

CON_REG0.1

 

 

 

 

 

 

(CLK1 Bit)

 

 

RS Flip-flopx

 

 

 

 

 

Port 4

 

Prescaler

 

 

R

 

 

 

 

 

Control

 

 

8

 

 

 

 

00

 

Q

P4_MODE

Internal

 

 

 

Clock

– 2

01

Up Counter

S

PWMx

P4.x/

Signal

 

10

Output

PWMx

– 4

 

Overflow

 

 

11

 

 

 

 

 

 

 

 

 

 

 

 

Shared Circuitry

 

 

 

 

 

 

 

 

 

A3158-01

Figure 9-2. PWM Block Diagram (80C196NU Only)

9.2PWM SIGNALS AND REGISTERS

Table 9-1 describes the PWM’s signals and Table 9-2 briefly describes the control and status reg- isters.

 

 

 

Table 9-1. PWM Signals

Port Pin

PWM

PWM

 

Description

Signal

Signal Type

 

 

 

 

 

 

 

P4.0

PWM0

O

 

Pulse-width modulator 0 output with high-drive capability.

 

 

 

 

 

P4.1

PWM1

O

 

Pulse-width modulator 1 output with high-drive capability.

 

 

 

 

 

P4.2

PWM2

O

 

Pulse-width modulator 2 output with high-drive capability.

 

 

 

 

 

9-2

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Intel 8XC196NP, 80C196NU, Microcontroller manual PWM Signals and Registers

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.