參數(shù)資料
型號(hào)： S-4561A
廠商： Seiko Instruments Inc.
英文描述： LCD Controller-Driver With Built-in Serial and Parallel interfaces(內(nèi)置串行和并行接口的LCD控制器-驅(qū)動(dòng)器)
中文描述： LCD控制器，內(nèi)置的串行和并行接口（內(nèi)置串行和并行接口的液晶顯示控制器-驅(qū)動(dòng)器驅(qū)動(dòng)程序）
文件頁(yè)數(shù)： 16/49頁(yè)
文件大?。?/td> 461K
代理商： S-4561A
LCD Controller-Driver
S-4561A
Seiko Instruments Inc.
15
12.1
Doubler
Doubles the voltage through oscillating frequency of the CR Oscillating Circuit. The voltage is boosted from the V
SS
level and
output to V
OUT
. Capacitors between C1+ and C1- as well as between V
SS
and V
OUT
are connected. Use the doubler in the
range of V
DD
≤
3.6 V.
12.2
LCD Voltage Adjustment Circuit
LCD drive voltage V can be adjusted by the following two voltage controllers:
Voltage Regulator
Adjusts voltage regulator output VLCD by externally- divided resistors Ra and Rb.
VLCD can be calculated as the division ratio of the internal reference voltage VREF. VREF has temperature
characteristics of approx. 0.01%/ C and -0.13%/ C and the LCD temperature gradient can be compensated. VREF
differs depending upon the temperature characteristics of the reference voltage to select a command.
VLCD can be used as a
“
variable
”
by using the volume resistor as the divided resistor. Feedback voltage noises
occurring at VCNT pin directly affect VLCD. Take appropriate measures against noises.
Figure 10 Example of Booster Output
V
DD
=3 V
V
SS
=0 V
Doubled Voltage VOUT=6V
Ra+Rb
Ra
V
LCD
=
V
REF
(V)
V
LCD
V
CNT
V
SS
Rb
Ra
V
REF
+
-
Figure 11 Example of LCD Voltage Adjustment Circuit
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
S-4562A 制造商:SII 制造商全稱:Seiko Instruments Inc 功能描述:LCD CONTROLLER DRIVER
S4565-8 制造商:DANAHER - INDUSTRIAL/SPECIALTY 功能描述:ENDBELL ADAPTER
S-4568 制造商:WAVETEK 功能描述:S-4568
S4-56R-E 功能描述:端子 Tubular Ring term non-insulated 4 RoHS:否 制造商:AVX 產(chǎn)品:Junction Box - Wire to Wire 系列:9826 線規(guī):26-18 接線柱/接頭大小: 絕緣: 顏色:Red 型式:Female 觸點(diǎn)電鍍:Tin over Nickel 觸點(diǎn)材料:Beryllium Copper, Phosphor Bronze 端接類型:Crimp
S4-56R-T 功能描述:端子 #4 5/16" RING TERM RoHS:否 制造商:AVX 產(chǎn)品:Junction Box - Wire to Wire 系列:9826 線規(guī):26-18 接線柱/接頭大小: 絕緣: 顏色:Red 型式:Female 觸點(diǎn)電鍍:Tin over Nickel 觸點(diǎn)材料:Beryllium Copper, Phosphor Bronze 端接類型:Crimp
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