Epson S1D13504 Technical Manual page 195

Color graphics lcd/crt controller
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Vancouver Design Center
*(pRegs + 0x1B) = 0x00;
/*
** Step 2: Disable the display FIFO
*/
*(pRegs + 0x23) = 0x80;
/*
** Step 3: Set the memory type
**
** Register 1: Memory Configuration - 4 ms refresh, EDO
*/
*(pRegs + 0x01) = 0x30;
/*
** Step 4: Set the performance register
**
** Register 22: Performance Enhancement -
*/
*(pRegs + 0x22) = 0x24;
/*
** Step 5: Set dual/single panel
**
** Register 2: Panel Type - 8-bit, format 2, color, single, passive.
*/
*(pRegs + 0x02) = 0x1C;
/*
** Step 6: Set the rest of the registers in order.
*/
/*
** Register 3: Mod Rate -
*/
*(pRegs + 0x03) = 0x00;
/*
** Register 4: Horizontal Display Width (HDP) - 320 pixels
**
*/
*(pRegs + 0x04) = 0x27;
/*
** Register 5: Horizontal Non-Display Period (HNDP)
**
**
**
**
**
**
**
**
** HNDP and VNDP must be calculated such that the desired frame rate
** is achieved.
*/
*(pRegs + 0x05) = 0x0F;
Programming Notes and Examples
Issue Date: 01/02/01
(320 / 8) - 1 = 39t = 27h
Frame Rate = -----------------------------
(HDP + HNDP) * (VDP + VNDP)
= -----------------------------
(320 + HNDP) * (240 + VNDP)
/* 0000 0000 */
/* 0011 0000 */
/* 0010 0100 */
/* 0001 1100 */
/* 0000 0000 */
/* 0010 0111 */
PCLK
8,250,000
/* 0000 1111 */
Page 57
S1D13504
X19A-G-002-07

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