RA8835A datasheet(21/88 Pages) RAIO

21 / 88 page

Version 1.0

Dot Matrix LCD Controller

RAiO TECHNOLOGY INC.

www.raio.com.tw

21/88

RA8835A

6-3 Display Control Commands

6-3-1 DISP ON/OFF

Turn the whole display on or off. The single-byte parameter enables and disables the cursor and

layered screens, and sets the cursor and screen flash rates. The cursor can be set to flash over

one character or over a whole line.

MSB

LSB

FP5

FP4

FP3

FP2

FP1

FP0

FC0

FC1

Figure 6-10: DISP ON/OFF Parameters

6-3-1-1 D

Turn the display ON or OFF. The D bit takes precedence over the FP bits in the parameter.

D = 0: Display OFF

D = 1: Display ON

6-3-1-2 FC

Enables/disables the cursor and sets the flash rate. The cursor flashes with a 70% duty cycle

(ON/OFF).

Table-9: Cursor Flash Rate Selection

FC1

FC0

Cursor display

OFF (blank)

No flashing

Flash at fFR/32 Hz

(approx. 2 Hz)

Flash at fFR/64 Hz

(approx. 1 Hz)

Note:

As the MWRITE command always enables the cursor, the cursor position can be checked

even when performing consecutive writes to display memory while the cursor is flashing.

RA8835A Datasheet(PDF) 21 Page - RAIO Technology Inc.

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