參數(shù)資料
型號: HD61605
廠商: Hitachi,Ltd.
英文描述: Segment Type LCD Driver(段類型LCD驅(qū)動器)
中文描述: 段類型LCD驅(qū)動器(段類型液晶驅(qū)動器)
文件頁數(shù): 27/33頁
文件大?。?/td> 199K
代理商: HD61605
HD61604/HD61605
1293
Liquid Crystal Display Drive Voltage (HD61605)
As shown in Figure 23, apply LCD drive voltage from the external power supply.
Oscillation Circuit
When Internal Oscillation Circuit Is Used
When the internal oscillation circuit is used, attach an external resistor R
OSC
as shown in Figure 24. (Insert
R
OSC
as near chip as possible, and make the OSC1 side shorter.)
When External Clock Is Used
When an external clock of 100 kHz with CMOS level is provided, pin OSC1 can be used for the input
pin. In this case, open pin OSC2.
VDD
VSS
V3
R2
T
r
SB
C6
Positive power
supply
C6
1
μ
F
R1
1
11
12
Note: When standby mode is used, a transistor is required.
Figure 23 Example of Drive Voltage Generator
79
OSC2
80
OSC1
R
OSC
79
OSC2
80
OSC1
R
OSC
79
OSC2
80
OSC1
NC
etc.
HD14049UB
Multichip operation
Figure 24 Example of Oscillation Circuit
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