LC74731 Sanyo Semicon Device, LC74731 Datasheet - Page 17

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

COMMAND23 (Character size and line setup command)
• First byte
• Second byte
Note that all registers are set to 0 when these ICs are reset by the RST pin.
DA0 to 7
DA0 to 7
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
Register
Register
LSZUD
LSZB5
LSZA4
LSZ93
LSZ82
LSZ71
LSZ60
—
—
—
—
—
—
—
—
—
State
State
1
0
1
0
1
1
0
0
1
0
0
0
1
0
1
0
1
0
1
0
1
0
1
Command 2 identification code
Horizontal display position setup and horizontal direction
character size settings
Extended command 3 identification code
Lower lines: 0 to 5 (hexadecimal)
Upper lines: 6 to B (hexadecimal)
Second byte identification bit
Line 6 (line 12) specification: off
Line 6 (line 12) specification: on
Line 5 (line 11) specification: off
Line 5 (line 11) specification: on
Line 4 (line 10) specification: off
Line 4 (line 10) specification: on
Line 3 (line 9) specification: off
Line 3 (line 9) specification: on
Line 2 (line 8) specification: off
Line 2 (line 8) specification: on
Line 1 (line 7) specification: off
Line 1 (line 7) specification: on
Content
Content
LC74731W,74732W
Function
Function
Upper/lower line specification
The line shown in parentheses is specified when
LSZUD is 1.
Notes
Notes
No. 6526-17/38