EPC110 Datasheet, PDF (5/27 Pages) Espros Photonics corp – Fully integrated configurable light barrier driver & receiver

Connection Diagrams
epc110
9
VDD33
8
LED
SCK
7
6
EN
OUTN
SI
SO
10 VDD18
Top View
OUTH 5
VDD
GND
PD
CS
1
2
3
4
NC_GND
LED/SCK
EN/SI
NC_GND
Top View
1
2
3
4
NC_GND
GND
PD
NC_GND
10-Pin Chip Scale Package (CSP)
16-Pin QFN Package
10-Pin
CSP
1
2
3
4
5
6
7
8
10
n/a
16-Pin
QFN
9
7
6
4
2
1
15
14
12
10
3, 5, 8,
11, 13,
16
Pin Name Type
VDD Power Supply
GND
PD
CS
Power Supply
Analog Input
Digital Input
OUTH Digital Output
Load depending
OUTN Digital Output
SO
EN Digital Input
SI
LED Digital Output
SCK Digital Input
VDD33 Power Supply
VDD18 Decoupling
NC_GND
Description
Positive power supply.
Operation mode: to be connect to VDD33.
During command PROG: to be connected to programming voltage.
Negative power supply pin.
Photo diode input.
Terminated with internal pull up resistor
Light barrier:
Mode selection:
CS = 1: Operation Mode (LED, EN, OUTN active)
SPI interface:
Chip select,
CS = 0: Command/Program Mode (SCK, SI, SO active)
Light reserve detected - see Figure 8.
Refer to section Light Reserve Output OUTH
Open drain output
Open drain output
Light barrier:
Light pulses detected, amplified and filtered signal
SPI interfa^P1c_VINe_N:^{C4 onnecsStioeeners}iaF^Qlu^Fdn^Nact^1tai6o-on^Vua^Etlp^{EDuDet- scriptionLST}
Terminated with internal pull up resistor
Light barrier:
Fork lighPtINbaCrorinenreccotionntrsoQlleFdN1m6o-VdEeE: D-
Fork ligh¹t^Vb^Na⁴rrier standalone mode:
SPI interface: File:Serial data input
LED^LSp^Tulse stimulation
No function.
20.05.2011
Page 1
Light barrier:
SPI interface:
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Output to LED driver
Serial input/output clock.
For start/stop condition of SPI communication (while CS = 1):
Set SCK =1 and SCK line in tristate mode (high ohmic)
Positive power supply.
Pin for external filter/decoupling of the internal 1.8V supply: 4.7nF ceramic type
Not for supply of external circuits
Not connected. Connect this pins to GND (Guarding).
© 2011 ESPROS Photonics Corporation
5
Characteristics subject to change without notice
Datasheet epc110 - V2.1
www.espros.ch