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| Semiconductor SD4002 4BIT MICRO CONTROLLER Description The SD4002 is CMOS LSI chips developed for world-wide FM / MW / LW tuning with PLL frequency synthesizer system. The SD4002 can make a compact and high performance FM / MW / LW tuner with clock function for high-end car stereo, home stereo and so on because these CMOS LSIs are in 64-pin QFP package with built-in PLL frequency synthesizer, controller, 200 MHz prescaler, LCD driver and IF counter. Functions Radio Functions (1) Manual tuning Manual tuning up/down ..... Stepped tuning an d rapid tuning. (2) Auto tuning Seek up/down ..... Retaining the frequency of a station received. Scan up/down ..... Receiving in intervals of 5 seconds. (3) Preset memory scanning ..... Receiving the contents of preset memories on the FM, MW. and LW bands for 5 seconds each. (4) VF auto - tuning SK seek up/down .... Retaining the frequency of a SK signal received. SK scan up/down .... Receiving a station with SK signal in intervals of 5 seconds. (5) Preset memories FM band .... FM 1:6 stations, RW 2:6 stations, FM 3:6 stations MW band ... MW 1:6 stations, MW 2:6 stations LW band ... 6 stations VF band .... 6 stations MW2 cannot be used while the LW band is used. (6) Last-preset memories ...... 1 station on the FM1, FM2, FM3, MW1, MW2, LW and VF bands each. (7) LOC (local) control signal outputs and indications. (8) FM MONO (monaural) control signal output and indication.(For VF bands, same as for FM) (9) "ST" (stereo) indicator ...... Enabled on the FM and VF bands. (10) Auto-preset memories (11) DK stand-by and SK alarm function Tape Functions (1) Tape transport direction indictors ..... Can flash at 2 HZ during fast forward. (2) AMS (auto music search) control signal output and indication. (3) MTL (metal) control signal output and indication. (4) NR1 (noise reduction) and NR2 control outputs and indications. KSI-W028-000 1 Functions (Continued) CLOCK Functions (1) Selectable 12-hour(with AM and PM indicators) of 24-hour display. (2) Selectable flashing colon(;) (1Hz) (3) Low-power (400nA) backup available in the NOCLK(no-clock)mode. SD4002 Others (1) LOUD (loudness) control signal output and indication ..... common to radio, tape and CD modes. (2) Key acknowledge(beep) signal outputs (2.25 kHz, 40ms) ..... Enabled by valid momentary keys. (3) Display selector and priority display function. (4) " " (complex disk) indicator. Table) Receiving frequency, channel spacing, reference frequency, intermediate frequency Item Area Europe 1 Band FM MW LW FM Receiving Frequency 87.5 to 108.0 MHz 522 to 1620 KHz 144 to 281 KHz 87.5 to 108.0 MHz 522 to 1620 KHz 144 to 281 KHz 87.5 to 108.0 MHz 530 to 1620 KHz 87.5 to 107.9 MHz 530 to 1620 KHz 87.5 to 107.9 MHz 530 to 1710 KHz 87.5 to 108.0 MHz 531 to 1602 KHz 76.0 to 90.0 MHz 522 to 1629 KHz 87.5 to 108.0 MHz 520 to 1620 KHz Channel Space 50KHz 9KHz 1KHz 50KHz 9KHz 1KHz 100KHz 10KHz 200KHz 10KHz 200KHz 10KHz 100KHz 9KHz 100KHz 9KHz 100KHz 5KHz Reference Frequency 25KHz 9KHz 1KHz 25KHz 9KHz 1KHz 25KHz 10KHz 25KHz 10KHz 25KHz 10KHz 25KHz 9KHz 25KHz 9KHz 25KHz 5KHz Intermediate Frequency 10.7MHz 450KHz 450KHz 10.7MHz 459KHz 459KHz 10.7MHz 450KHz 10.7MHz 450KHz 10.7MHz 450KHz 10.7MHz 450KHz -10.7MHz 450KHz 10.7MHz 450KHz Europe 2 MW LW U.S.A 1 FM MW FM MW FM MW FM MW FM MW FM MW U.S.A 2 U.S.A 3 Australia and Middle and Near East Japan Latin America KSI-W028-000 2 SD4002 Features Single power supply of 5V10% Built-in prescaler (200MHz MAX. Vin=0.3VPP ), IF counter and LCD driver (1/2 duty, 1/2 bias, frame frequency:100Hz) Capable of receiving FM and MW in the whole world and LW in Europe. Tuning function ..... Manual tuning, auto-tuning (seek and scan) and preset memory scan. Independent preset memory programming by six buttons for up to 18FM stations (sixFM1, FM2 and FM3 stations each), up to 12 MW stations (six MW1 and MW2 stations each), up to six LW stations and VF broadcasting stations. Each last channel memory for FM : 3, MW:1 and VF : 1 VF auto-tuning (SK signal search) with DK stand-by function. Control output of MTL (METAL), NR1 (NOISE REDUCTION), NR2 and AMS (AUTO MUSIC SEARCH) and its display. Automatic preset station memory function Compact disc display( ) Loudness control output and its display Built-in 12 hour/24 hour clock display function (possible to set no clock) KSI-W028-000 3 SD4002 Pin Configuration POWER(PB3 ) BEEP(CGP) NR 1 (PB2 ) MTL(Pb 1) 21 AMS(PB0 ) 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 52 53 54 55 56 57 58 59 60 61 62 63 64 LOUD (PA3 ) MONO/NR 2 (PA2) FMIF (PA1 ) AMIF (PA0 ) AMUTE (PC 3 ) RDMUTE (PC 2 ) BAND2 (PC 1 ) BAND1 (PC 0 ) MODE (PD2 ) LOC (PD1 ) AGCC (PD0 ) VDD2 CE FM VCO AM VCO VDD1 EO2 EO1 NC ST (INT) LCD23 LCD24 LCD25 LCD26 LCD27 GND 32 LCD22 LCD21 LCD20 LCD19 LCD18 LCD17 LCD16 LCD15 /KS15 LCD14 /KS14 LCD13 /KS13 LCD12 /KS12 LCD11 /KS11 LCD10 /KS10 LCD9 /KS9 LCD8 /KS8 LCD7 /KS7 LCD6 /KS6 LCD5 /KS5 LCD4 /KS4 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 31 30 29 28 27 26 XI 25 XO 24 23 22 COM 1 LCD2 /KS 2 LCD1 /KS 1 LCD0 /KS 0 COM 2 GND SD4002 CD3 /KS 3 KSI-W028-000 SD(AD) K3 K2 K1 K0 4 SD4002 KSI-W028-000 5 SD4002 KSI-W028-000 6 SD4002 KSI-W028-000 7 SD4002 KSI-W028-000 8 SD4002 KSI-W028-000 9 SD4002 KSI-W028-000 10 SD4002 KSI-W028-000 11 SD4002 KSI-W028-000 12 SD4002 KSI-W028-000 13 SD4002 KSI-W028-000 14 SD4002 KSI-W028-000 15 SD4002 KSI-W028-000 16 SD4002 KSI-W028-000 17 SD4002 KSI-W028-000 18 SD4002 KSI-W028-000 19 SD4002 KSI-W028-000 20 SD4002 KSI-W028-000 21 SD4002 KSI-W028-000 22 SD4002 KSI-W028-000 23 SD4002 KSI-W028-000 24 SD4002 KSI-W028-000 25 SD4002 KSI-W028-000 26 SD4002 KSI-W028-000 27 SD4002 KSI-W028-000 28 SD4002 KSI-W028-000 29 SD4002 KSI-W028-000 30 SD4002 KSI-W028-000 31 SD4002 KSI-W028-000 32 SD4002 KSI-W028-000 33 SD4002 KSI-W028-000 34 SD4002 KSI-W028-000 35 SD4002 KSI-W028-000 36 SD4002 KSI-W028-000 37 SD4002 KSI-W028-000 38 SD4002 KSI-W028-000 39 SD4002 KSI-W028-000 40 SD4002 KSI-W028-000 41 SD4002 KSI-W028-000 42 SD4002 KSI-W028-000 43 SD4002 KSI-W028-000 44 SD4002 KSI-W028-000 45 SD4002 KSI-W028-000 46 SD4002 KSI-W028-000 47 SD4002 KSI-W028-000 48 SD4002 KSI-W028-000 49 SD4002 KSI-W028-000 50 SD4002 KSI-W028-000 51 SD4002 KSI-W028-000 52 SD4002 KSI-W028-000 53 SD4002 KSI-W028-000 54 SD4002 KSI-W028-000 55 SD4002 KSI-W028-000 56 SD4002 KSI-W028-000 57 SD4002 KSI-W028-000 58 SD4002 KSI-W028-000 59 SD4002 KSI-W028-000 60 SD4002 KSI-W028-000 61 SD4002 KSI-W028-000 62 SD4002 KSI-W028-000 63 SD4002 KSI-W028-000 64 SD4002 KSI-W028-000 65 SD4002 KSI-W028-000 66 SD4002 KSI-W028-000 67 SD4002 KSI-W028-000 68 SD4002 KSI-W028-000 SD4002 69 SD4002 KSI-W028-000 SD4002 70 SD4002 KSI-W028-000 SD4002 71 SD4002 KSI-W028-000 72 SD4002 KSI-W028-000 73 SD4002 KSI-W028-000 74 |
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