1. Using AndroidTool.

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Step1 请先准备一条mirco USB 线材和Debug Cable

Mirco USB

RTENOTITLE

Debug Cable

ROM-5780 debug cable.png

Step2 Double click DriverInstal

ROM-5780 driverInstall.png

Step3 Enter into MASKROM mode .

There are two ways to enter MASKROM

1. Hardware way to enter MASKROM

Step1Mirco USB的OTG端插在板卡的USB0_OTG1端口上,USB端插在PC上,如下图

ROM-5780 Mirco USB.png

Step 2 将底板ROM-DB5901的SW1(BOOT SEELECT)拨码如下

ROM-5780 SW1.png

Step 3 使用12V 3A的电源上电,并打开瑞芯微开发工具V2.71,如下图

ROM-5780 Maskrom.png

Step 4当板卡进入MASKROM模式后,将底板ROM-DB5901 SW145拨回OFF1-6均为OFF),再点击“执行”开始进行烧录。

ROM-5780 ADB.png

2. Software way to enter MASKROM

When the device boot up to android or debian, you can use ADB or Debug console, send command "reboot loader" .

Or Press "ctrl + c" key when booting into uboot, until get the following information on debug console :

Android 10

Hit any key to stop autoboot:0

rkboot # <INTERUPT>

rkoot # =>rbrom

I2C2 speed: 100000Hz

Debian 9.x'

Hit any key to stop autoboot:0

rkboot # <INTERUPT>

rkoot # =>rbrom

ROM-5780 Loader.png

点击“高级功能”,进行选择,点击“进入Maskrom”,如下图所示:

ROM-5780 Loader-1.png

ROM-5780 Loader-2.png