參數(shù)資料
型號： HD66727A04TA0L
廠商： Hitachi,Ltd.
英文描述： Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver with Key Scan Function
中文描述： 低功耗點(diǎn)陣液晶顯示控制器/鍵掃描功能驅(qū)動程序
文件頁數(shù)： 56/97頁
文件大?。?/td> 513K
代理商： HD66727A04TA0L
HD66727
56
Standby mode
Mask interrupts (IRE = 0)
Wait 10 ms or longer (MPU)
Start R-C oscillator (HD66727)
Clear standby mode (STB = 0)
Turn off LCD power (AMP = 0)
Set standby mode (STB = 1)
Generate interrupt (HD66727
Read key-scanned data
Enable interrupts (IRE = 1)
Turn off LCD power (AMP = 0)
Set sleep mode (SLP = 1)
Key input (key
→
HD66727)
Generate interrupt (HD66727
→
MPU)
Sleep mode
Mask interrupts (IRE = 0)
Read key-scanned data
Enable interrupts (IRE = 1)
→
HD66727)
Key input (key
→
MPU)
(1) Sleep Mode
(2) Standby Mode
Figure 30 Key Scan Interrupt Processing Flow in Sleep and Standby Modes
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