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參數(shù)資料
| 型號： | LC75814V |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | 1/4 Duty General-Purpose LCD Driver |
| 中文描述： | 1 / 4占空比通用LCD驅(qū)動器 |
| 文件頁數(shù)： | 11/14頁 |
| 文件大?。?/td> | 101K |
| 代理商： | LC75814V |
No. 6792-11/14
LC75814V
The INH pin and Display Control
Since the IC internal data (the display data D1 to D64 and the control data) is undefined when power is first applied,
applications should set the INH pin low at the same time as power is applied to turn off the display (This sets the S1/P1
to S4/P4, S5 to S16, and COM1 to COM4 to the V
SS
level.) and during this period send serial data from the controller.
The controller should then set the INH pin high after the data transfer has completed. This procedure prevents
meaningless displays at power on. (See Figure 3.)
Notes on the Power On/Off Sequences
Applications should observe the following sequence when turning the LC75814V power on and off.
At power on: Logic block power supply (V
DD
) on
→
LCD driver block power supply (V
LCD
) on
At power off: LCD driver block power supply (V
LCD
) off
→
Logic block power supply (V
DD
) off
However, if the logic and LCD driver block use a shared power supply, then the power supplies can be turned on and off
at the same time.
Figure 3
Notes on Controller Transfer of Display Data
Since the LC75814V accept display data (D1 to D64) divided into two separate transfer operations, we recommend that
applications transfer all of the display data within a period of less than 30 ms to prevent observable degradation of
display quality.
t1
ILC00278
INH
CE
VDD
VLCD
t2
t3
Undefined
Defined
Display and control data transfer
Undefined
Undefined
Defined
Undefined
tc
VIL
VIL
Note: t1
≥
0
t2 > 0
t3
≥
0 (t2 > t3)
tc ... 10
μ
s min
D1 to D32
P0 to P2
DR, SC, BU
Internal data
Internal data (D33 to D64)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LC75814V-MPB-E | 功能描述:LCD 驅(qū)動器 LCD DISPLAY DRIVER RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube |
| LC75814VS-MPB-E | 功能描述:LCD 驅(qū)動器 RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube |
| LC75814VS-TLM-E | 制造商:ON Semiconductor 功能描述:LCD DISPLAY DRIVER - Tape and Reel 制造商:ON Semiconductor 功能描述:LCD Drivers LCD DISPLAY DVR 制造商:ON Semiconductor 功能描述:REEL / LCD DISPLAY DRIVER |
| LC75814V-TLM-E | 功能描述:LCD 驅(qū)動器 RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube |
| LC75816E | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:1/8 to 1/10 Duty Dot Matrix LCD Display Controllers/Drivers with Key Input Function |
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