參數資料
型號: 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: (內存提供160通道4級灰度的點陣圖形液晶顯示驅動程序)
文件頁數: 36/52頁
文件大?。?/td> 167K
代理商: HD66420
HD66420
36
Power On/Off Procedure
Figure 22 shows the procedure for turning the power supply on and off. This procedure must be strictly
followed to prevent incorrect display because the HD66420 incorporates a power supply circuit.
Boosting starts
Power on
Turn on power (power-on reset)
Set PWR bit to 1 (control register 1)
Write data to registers and RAM as required
Set DISP bit to 1 (control register 1)
Set CNF, ADC, DTY1, DTY0, INC bits according to
the operating mode (control register1 and 2)
Turn off power
Clear DISP bit to 0 (control register 1)
Power off
Boosting halts
Clear PWR bit to 0 (control register 1)
Figure 22 Procedure for Turning Power Supply On/Off
相關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(帶內部LCD定時電路的240通道驅動器)
HD66520T 160-Channel 4-Level Grayscale Display Column Driver with Internal Bit-Map RAM(點陣圖形LCD160通道驅動器)
相關代理商/技術參數
參數描述
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