參數(shù)資料
型號： HCD66717A03
廠商： Hitachi,Ltd.
元件分類： 晶體
英文描述： (Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver)
中文描述： （低功耗點陣液晶顯示控制器/驅(qū)動器）
文件頁數(shù)： 10/90頁
文件大小： 716K
代理商： HCD66717A03
HD66717
461
Table 1
Pin Functional Description (cont)
Signal
COM1 to
COM32
Number
of Pins
32
I/O
O
Device
Interfaced with Function
LCD
Common output signals for character display: COM1 to
COM8 for the first line, COM9 to COM16 for the second
line, COM17 to COM24 for the third line, and COM25 to
COM32 for the fourth line. All the unused pins output
deselection waveforms. During sleep mode (SLP= 1) or
standby mode (STB = 1), all pins output V
CC
level.
Segment output signals for segment icon display and
character display. During sleep mode (SLP = 1) or standby
mode (STB = 1), all pins output V
CC
level.
Common output signal for annunciator display; can drive
display statically between V
and AGND levels; outputs
V
CC
level while annunciator display is turned off (DA = 0).
Segment output signals for annunciator display; can drive
display statically between V
and AGND levels; output V
CC
level while annunciator display is turned off (DA = 0).
V2/V3 are voltage levels for the internal operational
amplifiers; can drive LCD with 1/4 bias when V2 and V3
are short-circuited and with 1/6 bias when they are left
disconnected.
Used for output from the internal operational amplifiers
when they are used (OPOFF = GND); when amplifiers'
driving capability is insufficient, attach a capacitor to
stabilize the output. Especially these capacitors for V1OUT
and V4OUT must be attached in 1/26 duty and 1/34 duty.
When the amplifiers are not used (OPOFF = V
); V1 to V5
voltages can be supplied to these pins externally.
Adjusts the driving capability of the internal operational
amplifiers according to the LCD power supply voltage.
LCD Power Supply
Voltage (V
CC
–V
EE
)
VREFP, and VREFM
V
CC
–V
EE
: 3V–5V
Only VREF and VREFP shorted
V
CC
–V
EE
: 4V–6V
All pins open
V
CC
–V
EE
: 5V–8V
All pins shorted
V
CC
–V
EE
: 7V or more
Only VREF and VREFM shorted
SEG1 to
SEG60
60
O
LCD
ACOM
1
O
LCD
ASEG1 to
ASEG10
10
O
LCD
V2/V3
2
I
Open or
Short-circuited
V1OUT to
V5OUT
5
I or O —
VREFP,
VREF,
VREFM
3
I
Open or
Short-circuited
Pin Settings VREF,
V
EE
2
—
Power supply
GND power supply for LCD drive
V
CC
–V
EE
= 13V max.
V
CC
: +2.4V to +5.5V, GND (logic): 0V
Low level power supply for annunciator display; can adjust
contrast of annunciators; AGND 3 GND.
For R-C oscillation, connect an external resistor
For external clock supply, input clock pulses to OSC1.
V
CC
/GND
AGND
10
2
—
—
Power supply
Power supply
OSC1/
OSC2
2
—
Oscillation
resistor/clock
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