hd66712u Renesas Electronics Corporation., hd66712u Datasheet - Page 48

• Manufacturer Part Number: hd66712u
• Description: Dot-matrix Liquid Crystal Display Controller/driver - Hitachi Semiconductor
• Manufacturer: Renesas Electronics Corporation.

Table 12
Instruction Bit
Clear
display
Return
home
Entry
mode set
Display
on/off
control
Extension
function set
Cursor or
display shift
Scroll
enable
Function
set
Set
CGRAM
address
Set
SEGRAM
address set
RE
0/1
0/1
0/1
0
1
0
1
0
1
0
1
Instructions
RS
0
0
0
0
0
0
0
0
0
0
0
R/
0
0
0
0
0
0
0
0
0
0
0
: :
DB7 DB6 DB5 DB4 DB3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
1
1
ACG ACG ACG
*
Code
0
0
0
0
0
1
1
DL
DL
*
0
0
0
1
1
S/C
HSE
N
N
ASEG ASEG ASEG ASEG Sets SEGRAM address.
DB2
0
0
1
D
FW
R/L
HSE
RE
RE
ACG
DB1
0
1
I/D
C
B/W
—
HSE
—
BE
ACG
DB0
NW
HSE
LP
1
—
S
B
—
—
Ay
Description
Specifies which display
Clears entire display and
sets DDRAM address 0
in address counter.
Sets DDRAM address 0
IN address counter. Also
returns display from
being shifted to original
position. DDRAM
contents remain
unchanged.
Sets cursor move
direction and specifies
display shift. These
operations are
performed during data
write and read.
Sets entire display (D)
on/off, cursor on/off (C),
and blinking of cursor
position character (B).
Sets a font width, a
black-white inverting
cursor (B/W), and a 4-
line display (NW).
Moves cursor and shifts
display without changing
DDRAM contents.
lines to undergo
horizontal smooth scroll.
Sets interface data
length(DL), number of
display lines (L), and
extension register write
enable (RE).
Sets CGRAM/SEGRAM
blinking enable (BE), and
power-down mode (LP).
LP is available when the
EXT pin is low.
Sets CGRAM address.
CGRAM data is sent and
received after this
setting.
SEGRAM data is sent
and received after this
setting.
HD66712U
Execution
Time (max)
(when f
f
270 kHz)
1.52 ms
1.52 ms
37 µs
37 µs
37 µs
37 µs
37 µs
37 µs
37 µs
37 µs
37 µs
OSC
is
cp
411
or