參數(shù)資料
型號： HD66420TA0
廠商： Hitachi,Ltd.
英文描述： LCD Display Driver
中文描述： 液晶顯示驅(qū)動(dòng)程序
文件頁數(shù)： 45/52頁
文件大?。?/td> 167K
代理商： HD66420TA0
HD66420
45
It must also be greater than the value set in the blink start raster register. If an inappropriate value is set,
operations may not be correct. Data bits 7 is unused; they should be set to 0 when written to.
Data bit
Set value
7
6
5
4
3
2
1
0
D7
D6
D5
D4
D3
D2
D1
D0
Figure 30 Display Memory Access Register (R4)
Data bit
Set value
7
6
5
4
3
2
1
0
ST5
ST4
ST3
ST2
ST1
ST0
ST6
Figure 31 Display Start Raster register (R5)
Data bit
Set value
7
6
5
4
3
2
1
0
BSL5
BSL4
BSL3
BSL2
BSL1
BSL0
BSL6
Figure 32 Blink Start Raster register (R6)
Data bit
Set value
7
6
5
4
3
2
1
0
BEL5
BEL4
BEL3 BEL2
BEL1
BEL0
BEL6
Figure 33 Blink End Raster register (R7)
Blink Registers (R8 to R10):
The blink bit registers (figure 34) designate the 8-bit groups to be blinked.
Setting a bit to 1 blinks the corresponding 8-bit group. Any number of groups can be blinked; setting all the
bits to 1 will blink the entire LCD panel. These bits are valid only when the BLK bit of control register 2 is
1. R10’s data bits 7 to 4 are unused; they should be set to 0 when written to.
Partial Display Block Register (R11):
The Partial display block register (figure 35) designates the block
of partial display. Data bits 7 and 4 are unused; they should be set to 0 when written to.
Gray Scale Palette Registers (R12 to R15):
The gray scale palette registers (figure 36) designate
the grayscale level or colour. Use these registers to enable an optimal grayscale or colour display. If GRAY
bit is 1, these registers are inactive. Data bits 7 to 5 are unused; they should be set to 0 when written to.
相關(guān)PDF資料
PDF描述
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)
HD66522 160-Channel Column Driver with Internal Bit-Map RAM for Reflective Color Display and Grayscale Display(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
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
HD66520T 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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