ml9289 Oki Semiconductor, ml9289 Datasheet - Page 18

• Manufacturer Part Number: ml9289
• Description: Vacuum Fluorescent Display Tube Controller Driver
• Manufacturer: Oki Semiconductor

[Positional relationship between CGRAM addresses setup and CGROM addresses]
Refer to the ROM Code Tables attached later in this document.
Positional Relationship Between CGROM and CGRAM outputs
*On CGROM
HEX
0
1
2
3
4
5
6
7
A CGROM (Character Generator ROM) has an 8-bit address to generate alphanumeric type matrix
character patterns.
It has a capacity of 240 x 16 bits and can store 240 types of character patterns.
X0
0
1
0
1
0
1
0
1
SEG14
SEG16
SEG15
SEG6
SEG1
C13
C15
C14
C0
C5
X1
0
0
1
1
0
0
1
1
X2
0
0
0
0
1
1
1
1
SEG10
SEG11
SEG12
SEG5
C9
SEG2
C10
C11
C1
C4
X3
0
0
0
0
0
0
0
0
C8–15: Corresponds to the 3rd byte of the CGRAM data write commnad.
CGROM
address
RAM00
RAM01
RAM02
RAM03
RAM04
RAM05
RAM06
RAM07
C0–7: Corresponds to the 2nd byte of the CGRAM data write
command.
HEX
C
D
A
B
E
F
8
9
X0
0
1
0
1
0
1
0
1
X1
0
0
1
1
0
0
1
1
X2
0
0
0
0
1
1
1
1
X3
1
1
1
1
1
1
1
1
CGROM
address
RAM0A
RAM0B
RAM0C
RAM0D
RAM0E
RAM0F
RAM08
RAM09
FEDL9289-01
ML9289-xx
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