LC74730M Просмотр технического описания (PDF) - SANYO -> Panasonic
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LC74730M Datasheet PDF : 14 Pages
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LC74730M
Second byte
DA0 to DA7 Register name
State
Register content
Function
7
—
0 Second byte identification bit
6
—
0
5
VP5
(MSB)
0
If VS is the vertical display start position then:
1
0
5
VS
=
H
×
(2Σ
n=
20nVPn)
4
VP4
1
Where H is horizontal period pulse period.
0
3
VP3
1
0
2
VP2
1
0
1
VP1
1
0
VP0
0
(LSB)
1
Note: All these registers are set to 0 by a reset due to the RST pin.
Note
The vertical display start position is
specified by the 6 bits VP0 to VP5.
The weight of the low-order bit is 2 H.
{ COMMAND 3 (Horizontal display start position and horizontal size setup command)
First byte
DA0 to DA7
7
6
5
4
3
2
1
0
Register name
—
—
—
—
HS21
HS20
HS11
HS10
State
1
0
1
1
0
1
0
1
0
1
0
1
Register content
Function
Command 3 identification code
Sets up the horizontal display position and the character size
in the horizontal direction.
HS21
HS20
0
0
1 Tc per dot
1
3 Tc per dot
HS11
HS10
0
0
1 Tc per dot
1
3 Tc per dot
1
2 Tc per dot
1 Tc per dot
1
2 Tc per dot
1 Tc per dot
Note
Horizontal character size for the
second line
Horizontal character size for the first line
Second byte
DA0 to DA7 Register name
State
Register content
Function
7
—
0 Second byte identification bit
6
—
0
5
HP5
(MSB)
0
If HS is the horizontal start position then:
1
0
5
HS
=
Tc
×
(2Σ
n=
02nHPn)
4
HP4
1
Where Tc is a single period of the LC oscillator connected the
0
OSCIN and OSCOUT pins.
3
HP3
1
0
2
HP2
1
0
1
HP1
1
0
HP0
0
(LSB)
1
Note: All these registers are set to 0 by a reset due to the RST pin.
Note
The horizontal display start position is
specified by the 6 bits HP0 to HP5.
The weight of the low-order bit is 2 Tc.
No. 4247-8/14
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