SyncMOS Technologies International MSM9066 - ISP Introduction

SyncMOS MSM9066
User’s Manual
Specifications subject to change without notice, contact your sales representatives for the most recent information.
3
3 ISP Introduction
ISP (In-system programming) is a function that allows user to directly update MCU code on system
board. For example, With ISP firmware code residing in MCU, user can select RS-232 or USB to
execute functions of erase and program for MCU. Before user uses ISP, it is essential to program an
appropriate ISP firmware code to MCU with writer first.
ISP system diagram
SyncMOS provides application program and ISP source code for customer. ICs have included ISP
code before shipping, exclusive of SM39R02/04G1. For SM39R02/04G1 ISP requirement, please
contact SycMOS or agent.
Windows
application
program
User’s code
{……
If(…)
ISP();
…..}
ISP code
USB Port
UART
MSM9066