MEMORY MAPKS57C2308/P2308/C2316/P2316

LCON — LCD Output Control Register

F8EH

Bit

Identifier

RESET Value

Read/Write

Bit Addressing

.3

.2

3

2

1

0

"0"

.2

"0"

.0

 

 

 

 

0

0

0

0

W

W

W

W

4

4

4

4

LCD Bias Selection Bit

0 This bit is used for internal testing only; always logic zero.

LCD Clock Output Disable/Enable Bit

0Disable LCDCK and LCDSY signal outputs.

1Enable LCDCK and LCDSY signal outputs.

.1

Bit 1

0

Always logic zero

.0

LCD Display Control Bit

0LCD output low, turns display off: cut off current to dividing resistor, and output port 8 latch contents.

1If LMOD.3 = “0”, turns display off; output port 8 latch contents;

If LMOD.3 = “1”, COM and SEG output in display mode;LCD display on.

NOTES:

1.You can manipulate LCON.0, when you try to turn ON/OFF LCD display internally. If you want to control LCD ON/OFF or LCD contrast externally, you should set the LCON.0 to "0". refer to chapter 12, if you need more information.

2.To select the LCD bias, you must properly configure both LMOD register and the external LCD bias circuit connection.

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Samsung KS57C2308 manual Lcon LCD Output Control Register, F8EH, Read/Write Bit Addressing LCD Bias Selection Bit