1. Using AndroidTool.

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Step1 请先准备一条mirco USB 线材和Debug Cable

Mirco USB

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Debug Cable

插一张Debug cable 图片

Step2 Double click DriverInstal

插一张DriverInstall图片

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

插一张图片

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

插一张SW1拨码开关的图片

Step 3 使用12V 3A的电源上电,并打开瑞芯微开发工具V2.65,如下图

插一张进入MASROM设备模式的图片

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。

插一张ADB的图片

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

插一张loader图片

点击“高级功能”,进行选择,点击“进入Maskrom”,如下图所示:

插两张设置图片