ELMOS E909.02

BUS IC
DC/DC CONVERTER
MOTOR DRIVER IC
RIPPLE COUNTER
I/O IC
DRIVER IC
SENSOR IC
SENSOR INTERFACE IC
HALIOS® optical switch
ÿ HALIOS® Micromouse
Hall sensor interface 8 *, par. out
Hall sensor interface 6 *, ser. out
PIR controller
Hall sensor interface 4 *, par. out
tion to eliminate disturbances caused by housing reflections such
ÿ
Parameter adjustment and functional
as scratches.
11
12
data read back via SPI
ÿ
Configureable inputs and outputs
The infrared emitting diodes (IRED, signal diodes) and the photo-
ÿ
– 40°C to + 85°C operating temperature
diode are placed on a PCB in a required formation. The ability to
ÿ
LQFP 48 package
detect the motion of an object on the surface depends on chang-
APPLICATION
10
13
24
SCL
23
Driver LED 1
SDA
DIG_IO3 39
22
VDDI
LEDGND1
Analog ground driver LED 1
DIG_IO4 40
21
NC
DGND
Digital ground
NC 41
20
NC
19
LEDGND2
18
ILED2
ILED5 44
17
NC
NC 45
16
NC
NC 46
15
MISO
NC 47
14
MOSI
TEST 48
13
SCK
DVDD
CS
SCK
Digital supply
SPI data in: slave mode: MOSI,
master mode: MISO
15
MISO
light intensity of LED pairs.
SPI data out: slave mode:
MISO, master mode: MOSI
18
ILED2
Driver LED2
19
LEDGND2
Analog ground driver LED2
computers and handheld devices
With 4k of EEPROM the customer has enough memory space for
22
VDDI
Digital supply for I2C - interface
ÿ
Switches, rotation-sliders, proximity-sensors
even complex applications and an easy to use posibility to protect
23
SDA
I C data in/out, open collector
ÿ
Compact 2-D input device
his know how even in a ASSP.
24
SCL
I2C clock input
25
INT
I2C interrupt output
For automotive, industrial and pc applications a version 909.03
28
TEST _ OUT
Test output
with integrated IR diodes and photodiode is available in an ASIC
29
VPP
Supply voltage for E2 write procedures
30
ILED3
Driver LED3
31
LEDGND3
Analog ground driver LED3
32
DIG _ OUT2
Programable digital output 2
33
RESET
Reset input
34-35
DIG _ IO5
Programable digital input/output 5-6
36
DIG _ OUT1
Programable digital output 1
37-40
DIG _ IO1
Programable digital input/output 1-4
42
ILED4
Driver LED4
43
LEDGND4
Analog ground driver LED4
44
ILED5
Driver LED5
48
TEST
Test mode enable
BLOCK DIAGRAM
AVDD
VDD
DVDD
DVDD
CS
Filter
Demod
TIN
SCK
SPI
MOSI
MISO
DVDD
LED1
µC
control
LED2
µC
1
2
3
4
5
6
7
8
9
10
11 12
AVAILABILITY
2
Samples
Series
available
Q4/2005 (E909.02)
Q2/2006 (E909.03)
E909.03*
*Available for automotive,
industrial or pc applications.
RAM
MUX
LED3
E909.02
LEDGND4 43
SPI clock: slave mode: input,
master mode: output;
es in the optical path of the reflected signal, changing the relative
package.
ILED4 42
SPI chip select: slave mode:
input, master mode: output
MOSI
plus
27 26 25
DIG_IO2 38
14
Navigation key for mobile phones, laptop
INT
Low standby current
7
NC
ÿ
ILED1
31 30 29 28
CS
suppressing ambient light and also has an inherent self calibra-
6
33 32
NC
Operational up to 100klux ambient light
Analog supply
34
DVDD
ÿ
AVDD
35
DIG_IO1 37
DGND
ent Light Independent Optical System). HALIOS® is high efficient
5
36
VPP
Optical working principle without mechanics
Analog ground
NC
ÿ
AGND
ILED3
192 Byte RAM
4
NC
ÿ
The sensor measures the optical reflections of an object on a cover above the sensor using a system so called HALIOS® (High Ambi-
Transimpedance amplifier input
LEDGND3
4kByte EEPROM
Analog test input
TIN
LEDGND1
ÿ
TEST _ IN
3
DIG_OUT2
8-Bit microcontroller with 4MHz clockrate
1
ILED1
ÿ
Description
RESET
the sensor-structure and the detection algorithms.
Name
AVDD
different applications
Pin
DIG_IO5
tection of movements. The EEPROM allows a free configuration of
AGND
The IC is an optical sensor which provides a non-mechanical de-
Programable detection algorithms for many
DIG_IO6
Supply voltage range 3.0V to 5.5V
ÿ
TIN
ÿ
PACKAGE
DIG_OUT1
PINNING
NC
DESCRIPTION
TEST_IN
FEATURES
ÿ
E909.02|03
coming soon
TEST_OUT
ÿ HALIOS® Micromouse
ROM
DVDD
2,8-9,16-17,20-21,26-27,41,45-47
Not connected
DAC
LED4
LEDC
LEDGND
90
AGND
DGND
Note ELMOS Semiconductor AG (below ELMOS) reserves the right to make changes to the product contained in this publication without notice. ELMOS assumes no responsibility for the use of any
circuits described herein, conveys no licence under any patent or other right, and makes no representation that the circuits are free of patent infringement. While the information in this publication
has been checked, no responsibility, however, is assumed for inaccuracies. ELMOS does not recommend the use of any of its products in life support applications where the failure or malfunction of
the product can reasonably be expected to cause failure of a life-support system or to significantly affect its safety or effectiveness. Products are not authorized for use in such applications.
Copyright © 2005 ELMOS Reproduction, in part or whole, without the prior written consent of ELMOS, is prohibited.
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elmos product catalog june 2005
91