Table of Contents
Advertisement
5. PIN ASSIGNMENT
5. PIN ASSIGNMENT
(QFN5-32PIN)
Pin Name
(test)
(test)
(test)
EN3
V
SS2
(test)
V
DDL
EN2
SCL
SDA
RESET
SAMPL
V
DD2
PD
PDOUT
CLED
EN1
V
REF
AOUT
LED1
LED2
V
SS3
LED3
LED4
(test)
V
SS1
C1N
C1P
V
OUT
C2P
C2N
V
DD1
* EXPOSED DIE ATTACH PAD (refer to the outline drawing in No.P28) in the rear surface metal part of QFN5-32 package is
grounded to the same potential as V
Set the rear surface metal part to the open or grounding.
4
Downloaded from
Elcodis.com
electronic components distributor
32
1
(test)
(test)
(test)
EN3
V
SS2
(test)
V
DDL
EN2
8
9
PIN No.
I/O
QFN5-32
-
1
* Since this is a test pin, be sure to keep it "OPEN."
* Since this is a test pin, be sure to keep it "OPEN."
-
2
-
3
* Since this is a test pin, be sure to keep it "OPEN."
I
4
Automatic luminance control/forced full lighting select pin. It is pulled down Internally.
-
5
Ground pin.
-
6
* Since this is a test pin, be sure to keep it "OPEN."
I
7
Input power supply pin for I
I
8
Automatic luminance control circuit activation/stop select pin. It is pulled down internally.
2
I
9
I
C clock input pin.
2
I/O
10
I
C data I/O pin.
2
I
11
I
C reset (register initialization) pin
I
12
Brightness evaluation sampling cycle select pin. It is pulled up internally.
-
13
Input power supply pin.
I
14
Sensor connect pin.
O
15
Sense resistor connect pin.
O
16
Pin that connects to capacitor for LED current change delay
I
17
Input pin for activating IC. It is pulled down internally.
O
18
Internal reference voltage pin.
O
19
Pin that connects to resistor for LED maximum current setting.
I
20
LED1 connect pin.
I
21
LED2 connect pin.
-
22
Ground pin.
I
23
LED3 connect pin.
I
24
LED4 connect pin. * Be sure to connect this pin to ground when using three LEDs only.
* Since this is a test pin, be sure to keep it "OPEN."
-
25
-
26
Ground pin.
-
27
Pump-up capacitor C1 connect pin.
-
28
Pump-up capacitor C1 connect pin.
O
29
LED drive voltage output pin (LED common anode)
-
30
Pump-up capacitor C2 connect pin.
-
31
Pump-up capacitor C2 connect pin.
-
32
Input power supply pin.
=V
SS1
SS2
S1F76680
Function
2
C I/O.
=V
.
SS3
EPSON
25
24
LED4
LED3
V
SS3
LED2
LED1
A
OUT
V
REF
17
EN1
16
S1F76680 Technical Manual (Rev.1.22)
Advertisement
Table of Contents
