參數(shù)資料
型號(hào): UPD16681W-011
廠商: NEC Corp.
英文描述: LCD CONTROLLER/DRIVER FOR DOT MATRIX DISPLAY OF JIS LEVEL 1 AND JIS LEVEL 2 KANJI SETS
中文描述: LCD控制器/的點(diǎn)陣顯示為JIS 1級(jí)和日標(biāo)平驅(qū)動(dòng)2漢字集
文件頁數(shù): 5/56頁
文件大?。?/td> 906K
代理商: UPD16681W-011
Data Sheet S13104EJ5V0DS00
5
μ
PD16681
3. PIN FUNCTIONS
3.1 Power Supply System Pins
Pin Symbol
Pin Name
Pad No.
I/O
Description
V
DD
Logic power supply pin
Boost circuit power supply
pin
50-54
Power supply pins for logic and boost circuit
V
SS
Logic ground
Driver ground
55-59
Ground pins for logic and driver circuit
V
LCD
Driver power supply pins
29-31
Power supply pins for driver. Output pin for internal boost circuit.
Connect a 1-
μ
F capacitor between these pins and the V
SS
pins
for boosting.
If not using the internal boost circuit, a direct driver power supply
can be input.
V
LC1
- V
LC5
Reference power supply
pins for driver
14-28
These are reference power supply pins for the LCD driver.
Leave these pins open if an internal bias has been selected.
Connect a capacitor to ground.
V
LCBS1
- V
LCBS3
Bias value setting pins
2-7
When selecting an internal bias, the bias value can be changed
connecting these pins outside of the IC.
C
1
+
, C
1
-
C
2
+
, C
2
-
C
3
+
, C
3
-
Capacitor connection pins
32-49
These are capacitor connection pins for the boost circuit.
Connect a 1-
μ
F capacitor.
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