ra8816 RAIO Technology Inc., ra8816 Datasheet - Page 24

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

Preliminary Version 1.6
RAiO TECHNOLOGY INC.
[17h] CGRAM Register (CGMI)
[18h] CGRAM Data Register (CGMD)
RW
UMI[2..0]: Select the create font number. The RA8816 allow user create eight 16x16 full size font. The
RW
CGMD[7..0]: This register is used to transfer or read the data of 16x16 full size font. The MPU write
0
0
CGMD7
DB7
DB7
--
mapping font code is FFF0h~FFF7h.
continuous 32-bytes data of bit-map of 16x16 full size font into this register that after program
the REG[17h]. If user want to show the self-create font, just write the two bytes font code to
RA8816.
CGMD6
DB6
DB6
--
CGMD5
UMI2 UMI1 UMI0
DB5
DB5
.0
0
0
0
1
1
1
1
--
0
0
1
1
0
0
1
1
CGMD4
DB4
DB4
--
Table 5-20
0
1
0
1
0
1
0
1
24/68
CGMD3
DB3
DB3
--
Font Code
FFF0h
FFF1h
FFF2h
FFF3h
FFF4h
FFF5h
FFF6h
FFF7h
CGMD2
UMI2
DB2
DB2
144x65 Character/Graphic LCD Driver
CGMD1
UMI1
DB1
DB1
CGMD0
UMI0
www.raio.com.tw
DB0
DB0
RA8816