OM5610

INTEGRATED CIRCUITS DATA SHEET OM5610 Matchbox global FM tuner Preliminary specification Supersedes data of 1997 Feb 07 File under Integrated Circuits, IC01 1997 Apr 25 Philips Semiconductors Preliminary specification Matchbox global FM tuner FEATURES Local/DX switching to improve large signal handling on FM when an outdoor antenna or cable network is connected MPX-RDS signal available The module meets the “FCC regulations” Small size. GENERAL DESCRIPTION The OM5610 is a global FM-radio tuner (except Japan) which includes a brand new concept in tuning techniques. The new tuning concept combines the advantages of hand tuning together with electronic facilities and features. TOP VIEW ORDERING INFORMATION UNIT OM5610 FREQUENCY (MHz) 87.5 to 108 OM5610 BUS 3-wire bus handbook, full pagewidth RF ground 1 RF input 3 5 7 9 11 2 4 6 8 10 12 MBH887 Fig.1 OM5610 connectors. 1997 Apr 25 2 Philips Semiconductors Preliminary specification Matchbox global FM tuner PINNING PIN 1 2 3 4 5 6 7 8 9 10 11 12 ground ground WREN CLCK STEREO DATA supply voltage (+5 V) supply voltage (+12 V) audio right output ground audio left output MPX-RDS DESCRIPTION PRESET OPERATION OM5610 In preset mode, the microcontroller has to load information such as frequency band, frequency and mono/stereo. This information has to be sent via the bus to the tuner. The internal algorithm controls the tuning sequence as follows: 1. The information is loaded into a shift register, a last-station me...