HT16LK24 Datasheet, PDF (37/67 Pages) Holtek Semiconductor Inc – RAM Mapping 67×4/63×8 LCD Driver with Key Scan

HT16LK24
Drive Mode Command
Function
Byte
(MSB)
Bit7
Bit6
Bit5
Bit4
Bit3 Bit2
Bit1
(LSB)
Bit0
Drive mode setting
command
1st
1
0
0
0
00
1
0
Note
—
R/W Def
W—
Duty, Bias and
pin-shared setting
2nd
X Duty2 Duty1 Duty0 X X Bias1 Bias0
—
W 32H
Note:
Bias1
0
0
1
1
Bias0
0
1
0
1
LCD Bias
1/1 bias
1/2 bias
1/3 bias (default)
1/4 bias
Duty2
0
0
0
0
1
Duty1
0
0
1
1
x
Duty0
0
1
0
1
x
LCD Duty
1/1 duty
1/2 duty
1/3 duty
1/4 duty (default)
1/8 duty
• Power on status: The drive mode 1/4 duty output and 1/3 bias is selected and also the segment output pins are selected.
• If the programmed command is not defined, the function will not be affected.
System Mode Command
This command controls the internal system oscillator on/off and display on/off.
Function
Byte
(MSB)
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
(LSB)
Bit0
System mode setting
command
1st
1
0
0
0
0
1
0
0
System oscillator and
Display on/off Setting
2nd
X
X
X
X
X
X
S
E
Note:
Bit
S
E
0
X
1
0
1
1
Internal System oscillator
off
on
on
LCD Display
off
off
on
• Power on status: Display off and disable the internal system oscillator.
• If the programmed command is not defined, the function will not be affected.
Note
—
—
R/W Def
W—
W 00H
Rev. 1.20
37
November 25, 2015