AT89C51CC03 Просмотр технического описания (PDF) - Unspecified

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AT89C51CC03

CAN Microcontrollers

Unspecified 

Functional

Description

The AT89C51CC03 Bootloader facilitates In-System Programming and In-Application

Programming.

In-System

Programming

Capability

In-System Programming allows the user to program or reprogram a microcontroller on-chip

Flash memory without removing it from the system and without the need of a pre-programmed

application.

The CAN bootloader can manage a communication with a host through the CAN network. It can

also access and perform requested operations on the on-chip Flash Memory.

In-Application

Programming or

Self Programming

Capability

In-Application Programming (IAP) allows the reprogramming of a microcontroller on-chip Flash

memory without removing it from the system and while the embedded application is running.

The CAN bootloader contains some Application Programming Interface routines named API rou-

tines allowing IAP by using the user’s firmware.

Block Diagram

This section describes the different parts of the bootloader. The figure below shows the on-chip

bootloader and IAP processes.

Figure 1. Bootloader Process Description

External host via the

CAN Protocol

Communication

On Chip

User

Application

ISP Communication

Management

IAP

User Call

Management

Flash Memory

Management

Flash

Memory

2 AT89C51CC03 CAN Bootloader

4251B–CAN–03/08

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