LC74731 Sanyo Semicon Device, LC74731 Datasheet - Page 13

• Manufacturer Part Number: LC74731
• Description: On-Screen Display Controller
• Manufacturer: Sanyo Semicon Device

• Second byte (2)
Note that all registers are set to 0 when these ICs are reset by the RST pin.
• Second byte (3)
Note that all registers are set to 0 when these ICs are reset by the RST pin.
DA0 to 7
DA0 to 7
Continuous mode (cleared by setting CS high) operates as follows according to IR.
When internal ROM is specified:
When external ROM is specified: 1-1
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
Register
Register
c12
c11
c10
c09
c08
c07
c06
c05
c04
c03
c02
c01
c00
—
—
—
State
State
0
0
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Character code (00xx to 1Fxx (hexadecimal))
Character code (00 to FF (hexadecimal))
FE (hexadecimal): Space character
FF (hexadecimal): Transparent space character
1-1
1-2-1
1-2-1
1-2-2
1-2-2
Content
Content
LC74731W,74732W
Function
Function
1-2-3
1-2-3
1-2-3
1-2-2
1-2-3
1-2-3
1-2-3
1-2-2
External ROM upper address
External ROM lower address
Internal ROM address
1-2-3
Notes
Notes
No. 6526-13/38