參數(shù)資料
型號(hào)： HCD66727A04
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
文件頁數(shù)： 40/97頁
文件大?。?/td> 513K
代理商： HCD66727A04
HD66727
40
IRE:
When IRE is 1, the key scan interrupt (IRQ*) generation is enabled. When a key is pressed, the IRQ*
pin outputs a low level signal.
KF1, KF0:
Used for specifying the key scan cycle. Set these bits according to the mechanical
characteristics of the keys and the oscillation frequency (Table 22).
Table 22
KF Bits and Key Scan Cycles
NL1
KF1
KF0
Key Scan Cycle
Key Strobe Width
1 or 2 display lines (NL1=0)
0
0
160/fosc
20/fosc
1 or 2 display lines (NL1=0)
0
1
320/fosc
40/fosc
1 or 2 display lines (NL1=0)
1
0
640/fosc
80/fosc
1 or 2 display lines (NL1=0)
1
1
1,280/fosc
160/fosc
3 or 4 display lines (NL1=1)
0
0
320/fosc
40/fosc
3 or 4 display lines (NL1=1)
0
1
640/fosc
80/fosc
3 or 4 display lines (NL1=1)
1
0
1,280/fosc
160/fosc
3 or 4 display lines (NL1=1)
Note:
fosc is the oscillation frequency or external clock frequency.
1
1
2,560/fosc
320/fosc
相關(guān)PDF資料
PDF描述
HCD66727A04BP Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver with Key Scan Function
HCD66730A00 Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display
HCD66730A01 Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display
HCD66731A00BP Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display
HCD66731A01BP Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HCD66727A04BP 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver with Key Scan Function
HCD66730A00 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display
HCD66730A01 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display
HCD66731A00BP 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display
HCD66731A01BP 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display
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