LH1594 SHARP [Sharp Electrionic Components], LH1594 Datasheet - Page 24

• Manufacturer Part Number: LH1594
• Description: 80-Segment and 17-Common Outputs LCD Driver IC with A Built-in CGROM
• Manufacturer: SHARP [Sharp Electrionic Components]

4.12. Function Register Set
ACL
RE
BE
BT
* mark means "Don't care".
: The internal circuit can be initialized.
: This bit is the enable bit for extended
: When BE = "1", the information which is
: This command selects the character
RE
0/1
ACL = "0" : Normal mode.
ACL = "1" : ACL operation is ON.
When the ACL command is turned on,
the busy flag is generated. Therefore, to
execute
register. If RE = "1", the extended
function setting can be accessed. When
setting instruction, it is necessary to
follow the state of RE bit. (refer to
"INSTRUCTION CODE"
RE bit consists of register, once the
specified value is stored in this register,
it is retained the value.
stored in the SEGRAM using its upper 2
blinking type.
BT = "0" : Displaying normal/reverse per
RS
0
an
32 frames.
D
0
7
instruction
Example of Display (BT = "0")
D
0
6
in section 4.1..)
D
1
5
after
Example of Display (DUB = "1")
BE
D
4
ACL
DUB
D
24
3
Example of Display (BT = "1")
DUB : This bit is toggled the display double
RE
D
2
BT
D
operation, monitor the busy flag and
then execute the next instruction after
checking that the flag has been
released; or allow a waiting period of 2
times the master clock frequency.
bits is used to allow for blinking the
display data from the SEGRAM.
fonts lengthwise.
DUB = "0" : Displays normal mode.
DUB = "1" : Displays double fonts lengthwise.
NOTES :
• Double fonts lengthwise can display only first
• Not using these setting, when displaying 1 line
BT = "1" : Displaying normal/black per
1
line.
mode. (NL = 1)
D
*
0
32 frames.
LH1594/LH1595