12. HMI internal registers
HMI provide four types of HMI address for user.
*HSW, HDW, HPW, RPW are word address, HSX, HDX, HPX are bit address;
1) System Parameters (HSW/HSX)
The address starting with "HSW" are reserved by HMI system, define those address to save the state or parameter of current system. Like system properties, communication parameters etc.
2) User Data (HDW/HDX)
The address starting with "HDW" are provided for user, saving data to this type of address;
3) Special Data (HUW/HUX)
Special address reserved by HMI.
4) System Data (HAW/HAX)
Addresses in this area are latched, using for storing system data.
Note:
 HSW / HSX are a system special register, so please check the system special register list during use. Please use the address specified in the table and do not use the address which is not mentioned in the table;
 HUW/HUX is a system special register, so please check the system special register list during use. Please use the address specified in the table and do not use the address which is not mentioned in the table.
 HSW/ HDW/ HUW/ HAW is related to HSX/ HDX/ HUX/ HAX, (e.g. one-word address HSW0 contains 16 bits from HSX0.0 to HSX0.15);

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