參數(shù)資料
型號(hào)： HD66420
廠商： Hitachi,Ltd.
英文描述： (RAM-Provided 160 Channel 4-Level Grey Scale Driver for Dot Matrix Graphics LCD)
中文描述： （內(nèi)存提供160通道4級(jí)灰度的點(diǎn)陣圖形液晶顯示驅(qū)動(dòng)程序）
文件頁(yè)數(shù)： 4/52頁(yè)
文件大?。?/td> 167K
代理商： HD66420
HD66420
4
Pin Description
Pin Name
Number of
Pins
I/O
Connected to
Description
V
1–6,
GND1–6
12
—
Power supply
V
CC
: +2.2V to +5.5V, GND: 0V
VLCD1–4
4
—
Power supply
Power supply to LCD driving circuit
V1O, V2O,
V3O, V4O,
V5O
5
—
V1 to V5 of
HD66420
Several levels of power to the LCD driving outputs.
Master HD66420 outputs these levels to the slave
HD66420.
OSC
1
I
Oscillator
resister or
external clock
Must be connected to external resister when using R-C
oscillation. When using an external clock, it must be
input to the OSC terminal.
OSC1,
OSC2
2
I/O
CO
1
O
OSC of Slave
HD66420
Clock output
DCON
1
O
External DC/DC
convertor
Controls on/off switch of external DC/DC convertor
CL1
1
I/O
CL1 of
HD66420
Line clock
FLM
1
I/O
FLM of
HD66420
Frame signal
M
1
I/O
M of HD66420
Converts LCD driving outputs to AC
M/S
RES
CS
1
I
V
CC
or GND
—
Specifies master/slave mode.
1
I
Reset the LSI internally when drive low.
1
I
MPU
Select the LSI, specifically internal registers (index and
data registers) when driven low.
RS
1
I
MPU
Select one of the internal registers; select the index
register when driven low and data registers when driven
low.
WR
1
I
MPU
Inputs write strobe; allows a write access when driven
low.
RD
1
I
MPU
Inputs read strobe; allows a read access when driven
low.
DB7 to DB0 8
I/O
MPU
8-bits three-state bidirectional data bus; transfer data
between the HD66420 and MPU through this bus.
SEG1 to
SEG160
160
O
LCD
Output column drive signals
COM1 to
COM80
80
O
LCD
Output row drive signals
IREFP
1
—
V
CC
External resistor Bias current for internal operational amplifier
Power supply for internal operation amplifier
IREFM
1
—
GREF
1
—
GND
Power supply for internal operation amplifier
相關(guān)PDF資料
PDF描述
HD66420TA0 LCD Display Driver
HD66421 (RAM-Provided 160 Channel 4-Level Grey Scale Driver for Dot Matrix Graphics LCD)
HD66421TB0 (RAM-Provided 160 Channel 4-Level Grey Scale Driver for Dot Matrix Graphics LCD)
HD66503 240-Channel Common Driver with Internal LCD Timing Circuit(帶內(nèi)部LCD定時(shí)電路的240通道驅(qū)動(dòng)器)
HD66520T 160-Channel 4-Level Grayscale Display Column Driver with Internal Bit-Map RAM(點(diǎn)陣圖形LCD160通道驅(qū)動(dòng)器)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HD66420TA0 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:LCD Display Driver
HD66421 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:(RAM-Provided 160 Channel 4-Level Grey Scale Driver for Dot Matrix Graphics LCD)
HD66421TB0 制造商:Renesas Electronics Corporation 功能描述:
HD66503 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver
HD66520 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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