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)： 18/52頁(yè)
文件大小： 167K
代理商： HD66420
HD66420
18
Word Length
The HD66420 can handle either 8- or 6-bits as a word. In the display memory, one X address is assigned to
each word of 8- or 6-bits long in X direction.
When the 6-bits mode is selected, only data on DB5 to DB0 are used and data on DB7 and DB6 are
discarded. This word length is only applied to data to internal RAM. The word length of internal register is
always 8-bits
H’00
H’01
H’0
H’1
H’27
X addresses
SEG1
SEG160
LCD drive signal output
(a) Address assignment when one
word is 8 bits long
H’4E
H’4F
H’00
H’01
H’35
H’1
H’0
SEG1
SEG160
H’4E
H’4F
Y
MSB
MSB
LCD drive signal output
Y
X addresses
H’34
(b) Address assignment when one
word is 6 bits long
8 bits
6 bits
Figure 9 Display RAM Addresses
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(chēng):Hitachi Semiconductor 功能描述:LCD Display Driver
HD66421 制造商:HITACHI 制造商全稱(chēng):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(chēng):未知廠家 功能描述:LCD Display Driver
HD66520 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:LCD Display Driver
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