參數(shù)資料
型號: 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)動器驅(qū)動程序)
文件頁數(shù): 44/49頁
文件大?。?/td> 461K
代理商: S-4561A
LCD Controller-Driver
S-4561A
Seiko Instruments Inc.
43
I
Current Consumption Measurement Examples
1.
Current Consumption of (FNC1, 2=
H H
) when using a booster:
2.
Current Consumption of (FNC1, 2=
L L
) when using an external power supply:
3.
Current Consumption of (FNC1, 2=
H L
) when using an external bias resistor:
LCD
Driver
VF
Bias
Resistor
VREG
Booster
Logic
I
DD1
A
I
LCD1
V
OUT
V
LCD
V
DD
Remark:
The current consumed by the LCD power supply circuit I
LCD1
cannot be measured. It is
equivalent to I
LCD1
= I
DD1
- I
DD2
.
LCD
Driver
VF
Bias
Resistor
VREG
Booster
Logic
I
DD2
V
DD
I
LCD2
V
LCD2
Figure 18 Current Consumption Measurement Examples
LCD
Driver
VF
Bias
Resistor
VREG
Booster
Logic
I
DD2
V
DD
I
LCD3
V
LCD3
Remark: VREG:
Voltage Regulator
Voltage Follower
VF:
A
A
A
A
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