參數(shù)資料
型號(hào)： HD66732
廠商： Hitachi,Ltd.
英文描述： Graphics Liquid Crystal Display Controller/Driver Supporting JIS Level-1 and Level-2 Kanji ROM(圖形LCD控制器/驅(qū)動(dòng)器)
中文描述： 圖形液晶顯示控制器/驅(qū)動(dòng)器支持日標(biāo)級(jí)- 1和第2級(jí)漢字光盤（圖形液晶顯示控制器/驅(qū)動(dòng)器）
文件頁(yè)數(shù)： 114/133頁(yè)
文件大小： 2608K
代理商： HD66732
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HD66732
114
Standby Mode
Setting the standby mode bit (STB) to 1 puts the HD66732 in the standby mode, where the device stops
completely, halting all internal operations including the R-C oscillation circuit, thus further reducing
current consumption compared to that in the sleep mode. Specifically, character and segment displays,
which are controlled by the multiplexing drive method, are completely halted. Here, all the SEG (SEG1 to
SEG120) and COM (COM1 to COM52, COMS1/2) pins output the GND level, resulting in no display. If
the AMP bit is set to 0 in the standby mode, the LCD drive power supply can be turned off.
During the standby mode, no instructions can be accepted other than those for the start-oscillation
instruction and the key scan interrupt generation enable instruction. To cancel the standby mode, issue the
start-oscillation instruction to stabilize R-C oscillation before setting the STB bit to 0.
Although key scan is halted in the standby mode, the HD66732 can detect key inputs, thus generating key
scan interrupt (IRQ*). This means, the system can be activated from a completely inactive state. For
details, see the Key Scan Interrupt (Wake-up Function) section.
Set standby mode: STB = 1
Standby mode (Key scan interrupt enabled)
Issue the start-oscillation instruction
Wait at least 10 ms
Cancel standby mode: STB = 0
Turn on the LCD drive power supply: AMP = 1
Turn off the LCD power supply: AMP = 0
Figure 64 Procedure for Setting and Canceling Standby Mode
相關(guān)PDF資料
PDF描述
HD66740TB0 50/MDR/RECP/VERT PRS FIT/M2.6/SCW/30MIN
HD66740WTB0 112 x 80-dot Graphics LCD Controller/Driver
HD66751 128 x 128-dot Graphics LCD Controller/Driver with Four-grayscale Functions
HD66750TB0 122 x 32 pixel format, Compact LCD size
HD66750 128 x 128-dot Graphics LCD Controller/Driver with Four-grayscale Functions
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HD66735 制造商:未知廠家 制造商全稱:未知廠家 功能描述:HD66735 Procedure for setting Standby/Sleep/Display off mode. Technical Update/Device
HD66740 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
HD66740TB0 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:112 x 80-dot Graphics LCD Controller/Driver
HD66740WTB0 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:112 x 80-dot Graphics LCD Controller/Driver
HD66741 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:128 x 128-dot Graphics LCD Controller/Driver with Four-grayscale Functions
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