UPD16680 NEC, UPD16680 Datasheet - Page 6
UPD16680
Manufacturer Part Number
UPD16680
Description
1/53/ 1/40 DUTY/ LCD CONTROLLER/DRIVER WITH BUILT-IN RAM
Manufacturer
NEC
Datasheet
1.UPD16680.pdf
(44 pages)
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3.1 Power System Pins
6
3. PIN DESCRIPTIONS
V
V
V
V
V
V
C
C
C
DD
SS
LCD
LC1
LCBS1
LCBS3
1
2
3
Pin Symbol
+
+
+
, C
, C
, C
to V
1
2
3
to
–
–
–
LC5
Logic and booster power
supply pin
Logic and driver ground
pin
Driver power supply pin
Driver reference power
supply
Bias level select pin
Capacitor connection pins
Pin Name
48 to 50,
73 to 75,
25 to 27,
29 to 31,
33 to 35,
37 to 39,
8, 10, 11
51 to 53
45 to 47
41 to 43
55 to 72
Pin No.
22, 23,
4, 5, 7,
82, 96
Data Sheet S12694EJ2V0DS00
I/O
-
-
-
-
-
-
Power supply pin for logic and booster circuit.
Ground pin for logic and driver circuit.
Driver power supply pin. Output pin of internal booster circuit.
Please connect with a 1 F booster capacitor to ground.
When not using the internal booster circuit, the driver power
can be turned on directly.
Reference power supply pin for LCD drive.
When the internal bias is selected, be sure to leave it open.
When display contrast is bad, connect a capacitor between
these pins and ground.
When the internal bias is selected, Connecting these pins
outside the IC, the bias level can be changed.
Capacitor connection pins for booster circuit. When using
internal booster circuit, connect a 1 F capacitor between
these pins.
Function Description
PD16680
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