Introduction bus ic dc/dc converter motor driver ic ripple counter driver ic I/O ic Sensor interface ic sensor ic ip’s E 909.01 HALIOS® optical switch E 910.41 Hall sensor- and contact monitor E 910.84 PIR light controller E 910.92 PIR motion detector ÿ E 910.98 Hall sensor interface 4 *, par. out E910.99 PIR light controller for DC/AC E 909.05 HALIOS® multi-purpose sensor ÿ Hall sensor- and contact monitor (4 channel, parallel interface) features description ÿ 4 channel hall sensor and switch controller The IC is intended to monitor the conductance status of up to 4 ÿ Supply range VS 5.5V to 25(40)V hall sensors or switches. In input mode all input pins are powered ÿ Supply range VDD 4.75V to 5.25V simultaniously. With threshold currents of typ. 6mA and 11mA the ÿ Contact status monitoring by comparison of the switch status will be displayed at the outputs. pinning input current with internal threshold current ÿ Automatic µC wake up in case of input current The sleep mode is started with CS=0 and provides a stand alone changes E910.98 function “wake on change”. All input pins are powered simultani- ÿ Watchdog function with programmable delay ously for one osciallator period (typ. 25kHz or 40µs) and will then ÿ current consumption typ. Icc: 220µA, Is: 600µA be high impedance for a programmable time of 31 to 1023 * Tosc. ÿ Adjustable Oscillator This sequence will be repeated as long as the sleep mode is active ÿ – 40°C to + 125°C operating temperature and no changes happen on the inputs. ÿ SO16w package Additionally a watchdog function is provided using the SEL2 pin. application With active sleep mode for longer than a programmable time of ÿ Automotive electronics ÿ Monitor for mechanical switches 1/32 to 1/1024 * fosc the pin will become low. ÿ Monitor for hall sensors Pin package Name Description 1 VS Battery supply 2 IN0 Input for hall sensor or switch 3 IN1 Input for hall sensor or switch 4 IN2 Input for hall sensor or switch 5 IN3 Input for hall sensor or switch 6 GND Ground 7 OSC1 Select internal (GND) or external (VDD) oscillator 8 OSC2 Oscillator adjustment resistor 9 SEL2 Watchdog 10 WAKE Pin change signal or data direction 11 CS Chip select 12 OUT3 Output for appropriate input/parameter input 13 OUT2 Output for appropriate input/parameter input 14 OUT1 Output for appropriate input/parameter input 15 OUT0 Output for appropriate input/parameter input 16 VDD Logic power supply VS 1 16 VDD IN0 2 15 OUT0 IN1 3 14 OUT1 IN2 4 13 OUT2 IN3 5 12 OUT3 GND 6 11 CS OSC1 7 10 WAKE OSC2 8 9 SEL2 SO16 Block diagram VBAT VS OUT0 OUT1 + IN0 IN1 Ref. IN2 OUT2 _ OUT3 IN3 B Conf. bits OSC WAKE CS control SEL2 E910.98 OSC1 106 OSC2 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 © 2007 ELMOS Reproduction, in part or whole, without the prior written consent of ELMOS, is prohibited. www.elmos.de | [email protected] elmos product catalog 2007/2008 107