sed1355 ETC-unknow, sed1355 Datasheet - Page 243

• Manufacturer Part Number: sed1355
• Description: Sed1355 Embedded Ramdac Lcd/crt Controller
• Manufacturer: ETC-unknow

Epson Research and Development
Vancouver Design Center
Programming Notes and Examples
Issue Date: 99/04/27
*(pRegs + 0x30) = 0x00;
/*
** Register 31: Alternate FRM Register
*/
*(pRegs + 0x31) = 0x00;
/*
** Register 23: Performance Enhancement - display FIFO enabled, optimum
**
**
**
*/
*(pRegs + 0x23) = 0x00;
/*
** Register D: Display Mode - 8 BPP, LCD enable.
*/
*(pRegs + 0x0D) = 0x0D;
/*
** Clear memory by filling 2 MB with 0
*/
pMem = DISP_MEM_OFFSET;
for (lpCnt = 0; lpCnt < DISP_MEMORY_SIZE; lpCnt++)
{
}
/*
** Draw a 100x100 red rectangle in the upper left corner (0, 0)
** of the display.
*/
pMem = DISP_MEM_OFFSET;
for (y = 0; y < 100; y++)
{
}
/*
** Init the HW cursor. In this example the cursor memory will be located
** immediately after display memory. Why here? Because it’s an easy
** location to calculate and will not interfere with the half frame buffer.
** Additionally, the HW cursor can be turned into an ink layer quite
** easily from this location.
*/
*(pRegs + 0x30) = CURSOR_START;
pTmp = pCursor = pMem + (DISP_MEMORY_SIZE - (CURSOR_START * 8192L));
/*
*pMem = 0;
pMem++;
pTmp = pMem + y * 640L;
for (x = 0; x < 100; x++)
{
}
*pTmp = 0x0c;
pTmp++;
performance. The FIFO threshold is set to 0x00; for
15/16 bpp modes, set the FIFO threshold
to a higher value, such as 0x1B.
/* 0000 0000 */
/* 0000 0000 */
/* 0000 1101 */
X23A-G-003-05
SED1355
Page 87