Internal Control Registers
All functions are operated by inputting control register settings as serial port data.
Bit
MSB
LSB
Address
7
6
5
4
3
2
1
0
Functions
01H
SBY
STL
N/P
MUL
VDFS1
VDFS0
MOD1
MOD0
Operating mode
02H
FLD-B
FLD-A
MVS1
MVS0
KOUT-B
KOUT-A
FVP
FHP
Display mode
03H
VP7
VP6
VP5
VP4
VP3
VP2
VP1
VP0
Display position (V)
04H
HP7
HP6
HP5
HP4
HP3
HP2
HP1
HP0
Display position (H)
05H
WK-B
WK-A
WKVR-B
WKVR-A
YWK5
YWK4
YWK3
YWK2
Frame color (Y), control
06H
PLL6
PLL5
PLL4
PLL3
RWK5
RWK4
RWK3
RWK2
PLL, frame color (R-Y)
07H
VWIPE
HWIPE
DWIPE
WPMOD
BWK5
BWK4
BWK3
BWK2
Wipe, frame color (B-Y)
08H
WVAJ1
WVAJ0
WHAJ1
WHAJ0
RVAJ1
RVAJ0
RHAJ1
RHAJ0
Display adjustment 1
09H
CLPAJ1
CLPAJ0
YCAJ1
YCAJ0
WKAJ1
WKAJ0
L
L
Display adjustment 2
0AH
PP
BSE-A
BS5
BS4
BS3
BS2
BS1
BS0
Display area
Note: L: Enter data values of 0.
Operating Modes
Mode
[MOD1]
[MOD0]
Number of sub-screens
Display
Description
Two-screen frame
0
0
2 (A, B)
Frame
Has screens A and B
Two-screen field
0
1
2 (A, B)
Field
Has screens A and B
Three-screen field
1
0
3 (B)
Field
Uses screen B for 3 screens as a single block
Four-screen field
1
1
4 (B)
Field
Uses screen B for 4 screens as a single block
Notes:
Field: The dynamic image is framed.
A and B screen overlapped display is not allowed (including horizontal overlap).
Screens A and B
Screen A: The sub-screen displayed at the location of its 4 corners. (specified by FVP and FHP)
Screen B:
Sub-screen displayed at the location according to register data (specified by VP0 to VP7 and HP0 to HP7)
Function
Screen B
Screen A
Display on/off
o
o
Dynamic/static
Frame on/off
o
o
Frame color, fixed/data
o
o
Wipe
*
5
Display area
*
5
o
×
o
*
4
LC7442, 7442E
No. 4412-5/12
o :
:
×
:
Notes: 4: Controlled jointly with the B screen when BSE-A = 1.
5: Wipe and display area cannot be used at the same time.
6: An operation evaluation must be performed if the wipe function or the
display area function is to be used.
Can be controlled independently.
Can be controlled jointly.
Not supported.