S1D13806 Datasheet, PDF (374/730 Pages) Epson Company – S1D13806 Embedded Memory Display Controller

Page 164
Epson Research and Development
Vancouver Design Center
14.2.11 Register/Display Memory
The S1D13806 utilizes up to 2M bytes of display memory address space. The S1D13806
contains 1.25M bytes of embedded SDRAM.
In order for an application to directly access the S1D13806 display memory and registers,
the following two functions are provided.
DWORD seGetLinearDisplayAddress(void)
Description:
This function returns the linear address for the start of physical display memory.
Parameters:
None.
Return Value:
The return value is the linear address of the start of display memory. A linear address is a
32-bit offset, in CPU address space.
DWORD seGetLinearRegAddress(void)
Description:
This function returns the linear address of the start of S1D13806 control registers.
Parameters:
None.
Return Value:
The return value is the linear address of the start of S1D13806 control registers. A linear
address is a 32-bit offset, in CPU address space.
S1D13806
X28B-G-003-07
Programming Notes and Examples
Issue Date: 02/02/21