RA8816
Preliminary Version 1.6
144x65 Character/Graphic LCD Driver
[17h] CGRAM Register (CGMI)
RW
0
DB7
--
DB6
--
DB5
--
DB4
--
DB3
--
DB2
DB1
DB0
UMI2
UMI1
UMI0
UMI[2..0]: Select the create font number. The RA8816 allow user create eight 16x16 full size font. The
mapping font code is FFF0h~FFF7h.
Table 5-20
UMI2 UMI1 UMI0
Font Code
FFF0h
FFF1h
FFF2h
FFF3h
FFF4h
FFF5h
FFF6h
FFF7h
.0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
[18h] CGRAM Data Register (CGMD)
RW
0
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
CGMD7 CGMD6 CGMD5 CGMD4 CGMD3 CGMD2 CGMD1 CGMD0
CGMD[7..0]: This register is used to transfer or read the data of 16x16 full size font. The MPU write
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.
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RAIO [ RAIO TECHNOLOGY INC. ]
