ra8816 RAIO Technology Inc., ra8816 Datasheet - Page 19

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

Preliminary Version 1.6
RAiO TECHNOLOGY INC.
[0Eh] Scroll Control Register (SCCR)
STP[3..0]: Setup the shift unit on auto scroll mode.
SCR_IMD[1..0]: The definition is as following and they are available at Auto–Scroll-Mode.
SCR_MD: Scroll Mode Select. 0
SBUF: Scroll-Buffer Control. 0
SCR_DIR[1..0]: Select the direction of scroll.
SCR_INTEN: Setup the scroll interrupt. 0
AUTO_SCR: Auto-Scroll control. 0
new data on the screen, then the Bit5 - SCR_MD must clear to 0 first. 1
RW
0
for display area. 1
SCR_IM
DB7
D1
8 or 16-pixels generate an interrupt to MPU.
0X: Setup 1-pixel shift to caused interrupt(SCR_INTEN must be 1).
10: Setup 8-pixel shift to caused interrupt(SCR_INTEN must be 1)
11: Setup 16-pixel shift to caused interrupt(SCR_INTEN must be 1)
SCR_IM
DB6
D0
SCR_DIR1
SPD3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
Scroll-Buffer enable. The scroll area is including the display and Scroll-Buffer.
0
0
1
1
SCR_MD
DB5
SPD2
Scroll-Buffer disable. The scroll will not including the Scroll-Buffer, only
Non-Auto-Scroll, the scroll offset clear to “0”. 1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
SCR_DIR0
Stop the Auto-Scroll. If want to close the Auto-Scroll mode or display
SBUF
0
1
0
1
DB4
SPD1
Scroll interrupt disable. 1
Table 5-11
Table 5-12
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
19/68
SCR_DI
Left to Right(Horizontal)
Right to Left(Horizontal)
SPD0
DB3
Up to Down(Vertical)
Down to Up(Vertical)
R1
Direction of Scroll
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
SCR_DI
Shift Pixel
DB2
R0
144x65 Character/Graphic LCD Driver
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
SCR_INT
In auto scroll mode, when scroll 1,
Auto-Scroll going.
DB1
EN
AUTO_S
Auto-Scroll Mode.
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DB0
CR
RA8816