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HT0610 Datasheet(PDF) 15 Page - Holtek Semiconductor Inc

Part No. HT0610
Description  33 x 120 LCD Driver
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Maker  HOLTEK [Holtek Semiconductor Inc]
Homepage  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT0610 Datasheet(HTML) 15 Page - Holtek Semiconductor Inc

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Command table
Bit Pattern
(D7~D0)
Command
Comment
00000X2X1X0
Set BGDRAM Page Address
Set BGDRAM page address using X2X1X0 as address bits.
X2X1X0=000: page 1 (POR; initial state)
X2X1X0=001: page 2
X2X1X0=010: page 3
X2X1X0=011: page 4
X2X1X0=100: page 5
000011X1X0
Set Icon Line/Annunciator
Contrast Level
Set one of the 4 available values to the icon and annunciator con-
trast, using X1X0 as data bits.
X1X0=00 (Von=0.87VDD)
X1X0=01 (Von=0.71VDD)
X1X0=10 (Von=0.61VDD) (POR initial state)
X1X0=11 (Von=0.55VDD)
0001X3X2X1X0
Set Contrast Level
Set one of the 16 available values to the internal contrast register,
using X3X2X1X0 as data bits. The contrast register is reset to 0000
during POR
0001X3X2X1X0
Read Contrast Value
With DCOM pin input low, RW pin input high, and D7~d4 pins
equal to 0001 at the rising edge of CS, the value of the internal con-
trast register will be latched out at D3, D2, D1 and D0 pins, i.e.
X3X2X1X0 at the rising edge of CS.
0010000X0
Set Voltage Doubler/Tripler
X0=0: Select voltage tripler (POR initial state)
X0=1: Select voltage doubler
0010001X0
Set Column Mapping
X0=0: COL0 to SEG0 (POR initial state)
X0=1: COL0 to SEG119
0010010X0
Set Row Mapping
X0=0: ROW0 to COM0 (POR initial state)
X0=1: ROW0 to COM31
0010011X0
Reserved
0010100X0
Set Display On/Off
X0=0: Display off (POR initial state)
X0=1: Display on
0010101X0
Set DC/DC Converter On/Off
X0=0: DC/DC converter off (POR initial state)
X0=1: DC/DC converter on
0010110X0
Set Internal Regulator On/Off
X0=0: Internal regulator off (POR initial state)
X0=1: Internal regulator on
When the application employs external contrast control, the inter-
nal contrast control, temperature compensation and the regulator
must be enabled.
0010111X0
Set Internal Voltage Divider
On/Off
X0=0: Internal voltage divider off (POR initial state)
X0=1: Internal voltage divider on
When an external bias network is preferred, the voltage divider
should be disabled.
0011000X0
Set Internal Contrast Control
On/Off
X0=0: Internal contrast control off (POR initial state)
X0=1: Internal contrast control on
Internal contrast circuits can be disabled if external contrast circuit
is preferred.
0011001X0
Set Clock Frequency
X0=0: Low frequency (38.4kHz) (POR initial state)
X0=1: High frequency (50kHz)
0011010X0
Save/Restore RAM Column
Address
X0=0: Restore address
X0=1: Save address
00110110
Master Clear RAM
Master clear BGDRAM page 1 to 4
00110111
Master Clear Icons
Master clear of BGDRAM page 5
HT0610
Rev. 1.00
15
February 24, 2004


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