CN204595839U

CN204595839U - Based on the general purpose timer module I P core of APB interface

Info

Publication number: CN204595839U
Application number: CN201420867772.0U
Authority: CN
Inventors: 赵旺; 唐芳福; 韩俊
Original assignee: ZHUHAI ORBITA CONTROL ENGINEERING Co Ltd
Current assignee: ZHUHAI ORBITA CONTROL ENGINEERING Co Ltd
Priority date: 2014-12-30
Filing date: 2014-12-30
Publication date: 2015-08-26
Anticipated expiration: 2024-12-30

Abstract

The utility model discloses a kind of general purpose timer module I P core based on APB interface, comprises APB interface module, controller module, waveform parameter configuration module and heavy duty/counting module; APB interface module is for realizing AMBA bus and the exchanges data between controller module, waveform parameter configuration module and heavy duty/counting module; Controller module is for receiving AMBA bus command to waveform parameter configuration module and heavy duty/counting module initialization, configuration and control; Waveform parameter configuration module is used for by parameter configuration, controls the dutycycle of output waveform; Heavy duty/counting module for realizing the heavy duty of counting preset value to counter register, and realizes tally function, and produce when counting reaches the overflow value counting and preset and overflow, spilling is rear produces implement of interruption function timer function.The utility model can realize waveform parameter configuration, heavy duty/counting, time switch controlling functions, and has reusability and transplantability.

Description

Based on the general purpose timer module I P core of APB interface

Technical field

The utility model relates to a kind of general purpose timer module I P core based on APB interface.

Background technology

AMBA2.0 bus is a kind of universal sheet internal bus of SOC, and in bus, modules adopts unified interface mode to be connected with bus, thus achieves the standardization of Development of Module, improves reusability and the transplantability of module, reduces the workload of exploitation.General purpose timer modular circuit is as general timer module, and this module achieves waveform parameter configuration, heavy duty/counting, time switch controlling functions, not only meets common timing function, also strengthens function with the pulse etc. that output duty cycle is controlled.Therefore, design a kind of general purpose timer module I P core based on APB interface, many convenience will be brought to deviser.

Utility model content

The utility model object is to provide a kind of general purpose timer module I P core based on APB interface.

Above-mentioned purpose is achieved through the following technical solutions:

Based on a general purpose timer module I P core for APB interface, it is characterized in that, comprise APB interface module, controller module, waveform parameter configuration module and heavy duty/counting module; Described controller module, waveform parameter configuration module and heavy duty/counting module are connected with described APB interface module respectively, and described waveform parameter configuration module and heavy duty/counting module are also connected with described controller module respectively; Wherein, described APB interface module is for realizing AMBA bus and the exchanges data between described controller module, waveform parameter configuration module and heavy duty/counting module; Described controller module is for receiving AMBA bus command to described waveform parameter configuration module and heavy duty/counting module initialization, configuration and control; Described waveform parameter configuration module is used for by parameter configuration, controls the dutycycle of output waveform; Described heavy duty/counting module for realizing the heavy duty of counting preset value to counter register, and realizes tally function, and produce when counting reaches the overflow value counting and preset and overflow, spilling is rear produces implement of interruption function timer function.

The beneficial effect of the general purpose timer module I P core based on APB interface that the utility model provides is: due to APB interface module, make full use of the standardization of AMBA bus, reach reusability and the transplantability of IP kernel; Meanwhile, waveform parameter configuration, heavy duty/counting, time switch controlling functions is achieved.

Accompanying drawing explanation

The inner structure block diagram of the general purpose timer module I P core based on APB interface that Fig. 1 provides for the utility model embodiment.

Embodiment

As shown in Figure 1, the general purpose timer module I P core based on APB interface that the present embodiment provides comprises APB interface module, controller module, waveform parameter configuration module and heavy duty/counting module.Controller module, waveform parameter configuration module and heavy duty/counting module are connected with APB interface module respectively, and waveform parameter configuration module and heavy duty/counting module are also connected with controller module respectively.

APB interface module is for realizing AMBA bus and the exchanges data between controller module, waveform parameter configuration module and heavy duty/counting module.Controller module is for receiving AMBA bus command to waveform parameter configuration module and heavy duty/counting module initialization, configuration and control.Waveform parameter configuration module is used for by parameter configuration, controls the dutycycle of output waveform.Heavy duty/counting module for realizing the heavy duty of counting preset value to counter register, and realizes tally function, and produce when counting reaches the overflow value counting and preset and overflow, spilling is rear produces implement of interruption function timer function.

The utility model is not limited to above-described embodiment, based on above-described embodiment, the simple replacement of not making creative work, the scope that the utility model discloses should be belonged to.

Claims

1. based on a general purpose timer module I P core for APB interface, it is characterized in that: comprise APB interface module, controller module, waveform parameter configuration module and heavy duty/counting module; Described controller module, waveform parameter configuration module and heavy duty/counting module are connected with described APB interface module respectively, and described waveform parameter configuration module and heavy duty/counting module are also connected with described controller module respectively; Wherein,

Described APB interface module is for realizing AMBA bus and the exchanges data between described controller module, waveform parameter configuration module and heavy duty/counting module;

Described controller module is for receiving AMBA bus command to described waveform parameter configuration module and heavy duty/counting module initialization, configuration and control;

Described waveform parameter configuration module is used for by parameter configuration, controls the dutycycle of output waveform;

Described heavy duty/counting module for realizing the heavy duty of counting preset value to counter register, and realizes tally function, and produce when counting reaches the overflow value counting and preset and overflow, spilling is rear produces implement of interruption function timer function.