參數(shù)資料
型號: 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- 1和第2級漢字光盤(圖形液晶顯示控制器/驅(qū)動(dòng)器)
文件頁數(shù): 115/133頁
文件大?。?/td> 2608K
代理商: HD66732
HD66732
115
Key Standby Mode
When the key standby mode (KSB bit = "1") is set, only key-scan operations are selectively stopped. In
this case, however, the display operation, including the internal CR oscillation circuit operation, continues
as usual. Since noise generation can be suppressed by stopping unnecessary key-scan operations, the
receiving sensitivity for such a wireless system can be improved.
In this case, although key-scan operations are stopped during standby mode, a key scan interrupt (IRQ*)
can be generated by detecting the key being depressed, as can be done during the standby mode described
above. For details, refer to the Key Scan Interrupt (Wake-up Function) section.
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