參數(shù)資料
型號(hào): HD66702R
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(dòng)程序
文件頁(yè)數(shù): 56/97頁(yè)
文件大小: 513K
代理商: HD66702R
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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