參數(shù)資料
型號(hào)： HD66760
廠商： Hitachi,Ltd.
英文描述： 104 X 80-dot Graphics LCD Controller/Driver for 256 Colors
中文描述： 104 × 80點(diǎn)圖形LCD控制器/驅(qū)動(dòng)器的256色
文件頁(yè)數(shù)： 9/105頁(yè)
文件大?。?/td> 653K
代理商： HD66760
HD66760
9
Table 1 Pin Functional Description (cont)
Signals
Number
of Pins
I/O
Connected to
Functions
COM1–
COM80
80
O
LCD
Output signals for common drive: All the unused pins
output unselected waveforms. In the display-off period
(D1-0 = 00, 01), sleep mode (SLP = 1), or standby
mode (STB = 1), all pins output GND level.
The CMS bit can change the shift direction of the
common signal. For example, if CMS = 0, COM1 shifts
to COM80. If CMS = 1, COM80 shifts to COM1.
Note that the start position of the common output is
shifted by screen-division driving.
SEG1–
SEG312
312
O
LCD
Output signals for segment drive. In the display-off
period (D1-0 = 00, 01), sleep mode (SLP = 1), or
standby mode (STB = 1), all pins output GND level.
The SGS bit can change the shift direction of the
segment signal. For example, if SGS = 0, RAM
address 0000 is output from SEG1. If SGS = 1, it is
output from SEG312.
SEG1, SEG4, ... display red (R), SEG2, SEG5, ...
display green (G), and SEG3, SEG6, ... display blue
(B) (SGS = 0).
V1OUT–
V5OUT
5
I/O
Capacitor
Used for output from the internal operational amplifiers
when they are used (OPOFF = GND); attach a
capacitor to stabilize the output. When the amplifiers
are not used (OPOFF = V
), V1 to V5 voltages can
be supplied to these pins from outside. Adjust the
contrast for V1OUT
≥
V
CC
, V
Ci
.
Power supply for LCD drive. V
LCD
(= V
LPS
– GND) =
15.5 V max.
V
LPS
1
—
Power supply
V
CC
, GND
OSC1,
OSC2
1
—
Power supply
Power supply for logic circuit
2
I
Oscillation-
resistor
Connect an external resistor for R-C oscillation.
Vci
1
I
Power supply
Inputs a reference voltage and supplies power to the
step-up circuit; generates the liquid crystal display
drive voltage from the operating voltage. The step-up
output voltage must not be larger than the absolute
maximum ratings.
Must be left disconnected when the step-up circuit is
not used.
VLOUT
1
O
V
pin/step-
up capacitance
Potential difference between Vci and GND is three- to
six-times-stepped up and then output. Magnitude of
step-up is selected by instruction.
C1+, C1–
2
—
Step-up
capacitance
External capacitance should be connected here for
step-up.
C2+, C2–
2
—
Step-up
capacitance
External capacitance should be connected here for
step-up.
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