參數(shù)資料
型號(hào)： HD66726
廠商： Hitachi,Ltd.
英文描述： Graphics LCD Controller/Driver with Key Scan Function(帶鍵掃描功能的圖形LCD控制器/驅(qū)動(dòng)器)
中文描述： 圖形液晶顯示控制器/鍵掃描功能（帶鍵掃描功能的圖形液晶顯示控制器/驅(qū)動(dòng)器驅(qū)動(dòng)程序）
文件頁數(shù)： 14/117頁
文件大?。?/td> 1549K
代理商： HD66726
HD66726
14
Table 2
Pin Functional Description (cont)
Signals
Number of
Pins
I/O
Connected to
Functions
PORT0–
PORT2
3
O
General output
General output ports. These ports cannot drive
current such as for LEDs or backlighting control.
Boost the current using an external transistor.
COMS1/2,
COMS2/1
2
O
LCD
Common output signals for segment-icon display.
COM1/40–
COM40/1
40
O
LCD
Common output signals for character/graphics
display: COM1 to COM8 for the first line, COM9 to
COM16 for the second line, COM17 to COM24 for
the third line, COM25 to COM32 for the fourth line,
and COM33 to COM40 for the fifth line. All the
unused pins output unselected waveforms. In the
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, COM1/40
is COM1. If CMS = 1, COM1/40 is COM40.
SEG1/96–
SEG96/1
96
O
LCD
Segment output signals for segment-icon display and
character/graphics display. In the 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, SEG1/96 is
SEG1. If SGS = 1, SEG1/96 is SEG96.
V1OUT–
V5OUT
10
I or O
Open or
external
bleeder-resistor
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 externally.
V
LCD
V
CC
, GND
OSC1,
OSC2
3
—
Power supply
Power supply for LCD drive. V
LCD
– GND = 13 V max.
V
CC
: +2.2 V to +5.5 V; GND (logic): 0 V
For R-C oscillation using an external resistor, connect
an external resistor. For R-C oscillation using an
internal resistor, connect R1 to R3 to OSC2 and
leave OSC1 disconnected. For external clock supply,
input clock pulses to OSC1.
7
—
Power supply
2
I or O
Oscillation-
resistor or clock
Rdummy
3
—
Open
Dummy pad. Must be left disconnected.
Vci
3
I
Power supply
Inputs a reference voltage and supplies power to the
booster; generates the liquid crystal display drive
voltage from the operating voltage.
Vci = 0 V to 4.0 V
≤
V
Must be left disconnected when the booster is not
used.
相關(guān)PDF資料
PDF描述
HD66727 Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver with Key Scan Function(帶鍵掃描功能的圖形LCD控制器/驅(qū)動(dòng)器)
HD66728 112 x 80-dot Graphics LCD Controller/Driver(112 x 80點(diǎn)圖形LCD控制器)
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HD66731 Dot-Matrix Liquid Crystal Display Controller/Driver(點(diǎn)陣液晶顯示控制器/驅(qū)動(dòng)器)
HD66731A00TB0L 122 x 32 pixel format, Compact LCD size
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參數(shù)描述
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HD66727 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver with Key Scan Function
HD66727A03 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver
HD66727A03BP 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver
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