EPC120 EPC [Espros Photonics corp], EPC120 Datasheet - Page 4

• Manufacturer Part Number: EPC120
• Description: Fully integrated Light-Barrier Chips with 2-Wire Bus Interface
• Manufacturer: EPC [Espros Photonics corp]

Connection Diagrams
© 2011 ESPROS Photonics Corporation
Characteristics subject to change without notice
10-Pin
CSP
n/a
10
1
2
3
4
6
7
8
9
5
VDD33
VDD
10
1
9
16-Pin
3, 5, 8,
11, 13,
VDD18
QFN
15
14
12
10
16
9
7
6
4
1
2
10-Pin Chip Scale Package (CSP)
LED/S
Pin Name Type
GND
CK
VDD33
VDD18
GND
8
2
VDD
SCK
LED
PD
CS
SO
NC
NC
SI
Top View
Power supply
Power supply
Analog Input
Digital Input
Digital Output
Digital Output
Digital In / Out
Power Supply
Decoupling
Analog Out
EN/
PD
SI
7
3
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NC
Description
Positive power supply
Negative power supply pin.
Photo diode input.
SPI Interface: Chip Select. Active low, with pull up
SPI interface serial out
SPI interface serial input
Light barrier:
SPI Interface:
A power supply filter capacitor is connected to this pin.
1.8V regulator output, used to connect a filter capacitor. Must not be used to supply
any other circuits.
Not connected. Leave that pin floating.
Not connected. Connect this pin with VSS.
OUTN/
SO
CS
5
4
6
4
LED control
Shift Clock
LED/
SCK
EN/
SI
12
1
16-Pin QFN Package
11
2
Top View
10
3
9
4
Datasheet epc12x - V2.1
www.espros.ch
05.12.2011
Page 1
epc120
GND
PD
.