Epson S1D13705 technical manual Vancouver Design Center

Page 72	Epson Research and Development
	Vancouver Design Center

SET_REG(0x11, 0x00); /*

**Register 12h - Screen 1 Vertical Size LSB

**Register 13h - Screen 1 Vertical Size MSB

**	- Set	to maximum	(i.e. 0x3FF). This register	is used
**	for	split screen operation. Normally it is		set to
**	maximum value.

*/

SET_REG(0x12, 0xFF); SET_REG(0x13, 0x03); /*

**Look-Up Table registers

**The LUT is programmed at the end of the initialization sequence.

*/

/*

**Register 18h - GPIO Configuration - set to 0

**	- '0' configures the GPIO pins for input (power on default)
*/

SET_REG(0x18, 0x00); /*

** Register 19h - GPIO Status - set to 0

**	- This	step has no real purpose.	It sets the GPIO
**	pins	low should GPIO be set as	outputs.
*/

SET_REG(0x19, 0x00); /*

** Register 1Ah - Scratch Pad - set to 0

**	- Use this register to store whatever state data your
**	system may require.
*/

SET_REG(0x1A, 0x00); /*

**Register 1Bh - Portrait Mode - set to 0 - disable portrait mode

*/

SET_REG(0x1B, 0x00); /*

**Register 1Ch - Line Byte Count - set to 0 - used only by portrait mode.

*/

SET_REG(0x0C, 0x00); /*

**Look-Up Table

**In this example we only set the first sixteen LUT entries.

**In typical use all 256 entries would be setup.

*/

/*

** Register 15h - Look-Up Table Address

**- Set to 0 to start RGB sequencing at the first LUT entry.

*/

SET_REG(0x15, 0x00);

S1D13705	Programming Notes and Examples
X27A-G-002-03	Issue Date: 02/01/22