ra8806 RAIO Technology Inc., ra8806 Datasheet - Page 76

• Manufacturer Part Number: ra8806
• Description: Two Layers Character/graphic Lcd Controller
• Manufacturer: RAIO Technology Inc.

Preliminary Version 1.2
RAiO
TECHNOLOGY INC.
6-10-1-5 Two Layer Display
The RA8806 embedded two DDRAM for two layers display. The register MAMR is used to show the
visible display for DDRAM1 and DDRAM2. It provides six display modes:
Please refer Figure 6-45 and Register description of MAMR Bit[6:4] and Bit[3:2].
MAMR
Display DDRAM1
Display DDRAM2
Display DDRAM1 OR DDRAM2
Display DDRAM1 XOR DDRAM2
Display DDRAM1 NOR DDRAM2
Display DDRAM1 AND DDRAM2
Reg.
1
2
3
4
Bit_Num
Bit [6:4]
Bit [3:2]
Controller
Controller
Controller
Controller
DDRAM1
Figure 6-45 : Two Layers Display
Display Layer Selection
Two Layer Mode Selection
Table 6-25
Description
DDRAM2
76/184
Two Layers Character/Graphic LCD Controller
NOR
XOR
OR
AND
Visible Display
Controller
Controller
Controller
Reference
REG[12h]
roller
www.raio.com.tw
RA8806