ra8816 RAIO Technology Inc., ra8816 Datasheet - Page 46

• Manufacturer Part Number: ra8816
• Description: 144x65 Character/graphic Lcd Driver
• Manufacturer: RAIO Technology Inc.

Preliminary Version 1.6
RAiO TECHNOLOGY INC.
7-3 Cursor Setting
7-3-1 Cursor Position and Shift
7-3-2 Cursor Display and Blink
7-3-3 Cursor Height
The unit of Segment Address is 8-Bit, Commom is 1-Bit. For example, if user want to show a font
“ 制 ” on the third position(full-size) of top, then the register X-CUR has to set 04h and Y-CUR set to
00h. If the second row want to show “ 器 ” as Figure 7-4, then the X-CUR set to 00h and Y-CUR set
to 10h.
Both of text mode and graphics mode, the cursor position are use the same resgister X-CUR and
Y-CUR. If fill data to display RAM or show a Chinese font on the screen, the cursor will auto
increase, and the boundary is the display window.
The RA8816 provides cursor On/Off and blinking features. These functions are control by register
CURCR. The cycle time of blinking is depend on the setting of register BLTR. The range is from 8
to 128 frames.
The cursor height is also setting by register CURCR. For full-size mode the cursor height is
adjustable from 1 to16 pixels, and half size is form 1 to 8 pixels. Please refer to Figure 7-5.
1F
00
10
:
:
:
:
00 01
1 Pixel
02 03
Figure 7-4: An Example for Cursor Setting
04 05 …..……………..........……………….............….....…........…. 0F
144(Segment) x 64(Common)
Figure 7-5: Cursor Height
2 Pixel
46/68
3 Pixel
144x65 Character/Graphic LCD Driver
16 Pixel
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RA8816