epc120
Connection Diagrams
2 1
1 1
0 1
9
9
8
7
6
VDD33
EN/
SI
LED/S
CK
OUTN/
SO
LED/
SCK
GND
PD
10 VDD18
Top View
NC
5
Top View
EN/
SI
VDD
1
GND
2
PD
3
CS
4
1
2
4
3
10-Pin Chip Scale Package (CSP)
16-Pin QFN Package
10-Pin
CSP
16-Pin Pin Name Type
QFN
Description
1
2
3
4
6
7
8
9
7
VDD
GND
PD
Power supply
Power supply
Analog Input
Digital Input
Positive power supply
Negative power supply pin.
Photo diode input.
6
4
CS
SPI Interface: Chip Select. Active low, with pull up
SPI interface serial out
1
SO
Digital Output
Digital Output
Digital In / Out
15
14
SI
SPI interface serial input
LED
SCK
Light barrier:
SPI Interface:
LED control
Shift Clock
9
12
10
2
VDD33 Power Supply
Decoupling
A power supply filter capacitor is connected to this pin.
10
VDD18 Analog Out
1.8V regulator output, used to connect a filter capacitor. Must not be used to supply
any other circuits.
5
NC
NC
Not connected. Leave that pin floating.
n/a
3, 5, 8,
11, 13,
16
Not connected. Connect this pin with VSS.
© 2011 ESPROS Photonics Corporation
Characteristics subject to change without notice
4
Datasheet epc12x - V2.1
www.espros.ch
EPC [ ESPROS PHOTONICS CORP ]
