SC3610A

Silan Semiconductors FREQUENCY AND CLOCK DISPLAY DRIVER DESCRIPTION The SC3610 is a frequency and clock display driver used for displaying FM/AM radio frequency or a 12 hour alarm clock. By using CMOS technology, it consumes very low power in clock display mode. SC3610 FEATURES * FM input with pre-scalar for radio frequency up to 150 MHz * AM input for radio frequency up to 30 MHz * 3 common, 13 segment, 1/3 bias LCD display drivers which supports 4 digits LCD display * On chip oscillator for external 32.768kHz crystal * 10.7 MHz / 70 kHz I.F. frequency offset for FM signal and 455kHz I.F. frequency offset for AM signal * Internal real time clock in 12 hour display mode * Selectable clock or frequency display * 1.8V to 3.3V supply voltage QFP-48-12x12-0.8 ORDERING INFORMATIOM SC3610A SC3610B SC3610C SC3610D QFP-48-12x12-0.8 Package QFP-44-10x10-0.8 Package COB Package (QFP Type) COB Package (SOP Type) BLOCK DIAGRAM SEG10 SEG11 SEG12 COM1 COM2 COM3 SEG0 SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 AVDD VDD LCD DRIVER VLCD IF FMIN AMP PRESCALER DIV. BY 10 FREQ OFFSET AMI N COUNTER CLKFREQ-SEL AMP RST AM/FM_SEL IF70K AL-SIG RANGE TIMMING CTL M U X CLOCK AL-OUT MIN SET HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD Rev: 1.0 2000.12.31 1 AL ON/OFF TESTCLK OSCOUT AL DISP PR SET TEST AVSS VSS OSCIN Silan Semiconductors PAD ASSIGNMENT SC3610A (QFP-48-12x12-0.8 Package) CLKFREQ-SEL MIN-SET SC3610 HR-SET AL-OUT RANGE AL-SIG IF70K VSS NC NC NC 36 35 34 33 32 31 30 29 28 27 26 25 AM/FM-SEL 37 AVDD 38 AMIN 39 AVSS 40 FMIN 41 VDD 42 VSS 43 COM1 44 COM2 45 COM3 46 SEG0 47 NC 48 1 NC 2 SEG1 3 SEG2 4 SEG3 5 SEG4 6 SEG5 7 SEG6 8 SEG7 9 SEG8 10 11 12 SEG10 SEG9 NC 24 AL-DISP 23 AL-ON/OFF 22 TEST 21 TESTCLK 20 RST SC3610A NC 19 VSS 18 VLCD 17 OSCOUT 16 OSCIN 15 SEG12 14 SEG11 13 NC SC3610B (QFP-44-10x10-0.8 Package) CLKFREQ-SEL MIN-SET HR-SET AL-OUT RANGE AL-SIG IF70K VSS NC NC 33 32 31 30 29 28 27 26 25 24 23 NC 34 AM/FM-SEL 35 AVDD 36 AMIN 37 AVSS 38 FMIN 39 VDD 40 COM1 41 COM2 42 COM3 43 SEG0 44 1 NC 2 SEG1 3 SEG2 4 SEG3 5 SEG4 6 SEG5 7 SEG6 8 SEG7 9 SEG8 10 11 SEG9 SEG10 22 AL-DISP 21 AL-ON/OFF 20 TEST 19 TESTCLK 18 RST SC3610B NC 17 VLCD 16 OSCOUT 15 OSCIN 14 SEG12 13 SEG11 12 NC HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD Rev: 1.0 2000.12.31 2 Silan Semiconductors SC3610C (COB Package, QFP Type) CLKFREQ-SEL SC3610 MIN-SET 20 AL-DISP 19 AL-ON/OFF 18 TEST 17 TESTCLK 16 RST 15 VLCD 14 OSCOUT 13 OSCIN 12 SEG12 11 SEG11 1 SEG1 2 SEG2 3 SEG3 4 SEG4 5 SEG5 6 SEG6 7 SEG7 8 SEG8 9 SEG9 10 SEG10 HR-SET AL-OUT RANGE AL-SIG IF70K VSS NC 30 29 28 27 26 25 24 23 22 21 AM/FM-SEL 31 AVDD 32 AMIN 33 AVSS 34 FMIN 35 VDD 36 COM1 37 COM2 38 COM3 39 SEG0 40 SC3610C SC3610D (COB Package, SOP Type) COM1 COM2 COM3 SEG0 SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 OSCIN OSCOUT 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 NC 36 35 34 33 32 31 30 29 VDD FMIN VSS AMIN AM/FM-SEL RANGE NC IF70K AL-OUT AL-SIG CLKFREQ-SEL NC HR-SET MIN-SET AL-DISP AL-ON/OFF RST VLCD SC3610D 28 27 26 25 24 23 22 21 20 19 HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD Rev: 1.0 2000.12.31 3 Silan Semiconductors ABSOLUTE MAXIMUM RATING Characteristic Supply Voltage Input or Output Voltage Storage Temperature ESD Protection SC3610 Symbol VDD VIN, VOUT TSTG Value 0.5 ~ 7.0 -0.5 ~ VDD+0.5 -40 ~ +125 -2 ~ + 2 (VDD = 3V, Temp = 25°C , unless otherwise specified) Unit V V °C kV ELECTRICAL CHARACTERISTICS Parameter Supply Voltage VDD Supply Current Consumption IDD2 Internal LCD Reference Voltage LCD Drive Current consumption LCD Frame Frequency Oscillator Frequency FM Input Frequency AM Input Frequency FM Input impedance AM Input impedance Open Drain Low Level Voltage Low Level Input Voltage High Level Input Voltage Low Level Output Voltage, High Level Output Voltage Schmitt Trigger Positive Threshold Schmitt Trigger Negative Threshold Schmitt Trigger Input Resistance Reset Pin pull-up Resistance VLCD ILCD FLCD FOSC FFM FAM Symbol VDD IDD1 Test Conditions Min Typ Max Unit frequency mode clock mode respect to VDD all segments on --2 ---- 1.8 55 2.25 -32 32.768 --150 2.0 -----2.3 0.9 75 750 3.6 110 2.5 5 --150 30 --0.5 0.3VDD -0.4 -2.4 ---- mA µA V µA Hz kHz MHz MHz Ω kΩ V V V V V V V kΩ kΩ VIN = 0.3 VPP VIN = 0.3 VPP 11.0 0.5 ----0.7VDD RIN(FM) FFM =120MHz RIN(AM) FAM =12MHz VOLoc VDD=3V, Isink =10mA VIL VIH VOL VOH Vt+ VtRIN+/RIN-UP VDD=3V, Isink=4mA VDD=3V, ISOURCE=-4mA VDD=3V VDD=3V pull-up or pull-down -VDD-0.5 -0.6 --- HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD Rev: 1.0 2000.12.31 4 Silan Semiconductors PAD DESCRIPTION Pad No. 1 2~4 5 ~ 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 Note: I ISU ISD SC3610 Description Supply voltage LCD common drive signal for driving LCD display LCD segment drive signal for driving LCD display 32.768 kHz crystal oscillator input pin 32.768 kHz crystal oscillator output pin LCD Supply voltage. Connects a 0.1 µF capacitor between this pin and VSS Active low power-on reset with pull-up resistor of approx.750kΩ For testing use only with internal pull-down When high, the chip will enter test mode Alarm function on or off in toggle mode. Internal pull up input When pressed, will display the alarm time. Internal pull up input Minute setting for time and alarm(together with AL-DISP). Internal pull up. Hour setting for time and alarm(together with AL-DISP). Internal pull up. No connection Clock or frequency display mode. Internal pull-down input. When low, clock will be displayed. When high, radio frequency will be displayed. Ground pin Open drain alarm signal output, active low. Alarm output at 1kHz with 0.2 sec on and 0.2 sec off, push-pull output. Select IF offset in FM mode. H:70kHz, L:10.7kHz No connection For frequency counting mode only, Range = H or L, gate time = 0.1S AM/FM mode selection. High for AM and low for FM, internal pull-up. Analog Supply voltage AM signal input, 0.3V peak to peak, 500kHz to 30MHz. Analog Ground pin. FM signal input, 0.3V peak to peak, 11-150MHz. O OD10 O4 OL Oscillator Output Pad Open Drain with 10mA output driving Push-pull output pad with 4mA driving LCD segment and common output pad Symbol VDD COM1 ~ COM3 SEG0 ~ SEG12 OSCI OSCO VLCD RST TESTCLK TEST AL-ON/OFF AL-DISP MIN-SET HR-SET NC CLKFREQ-SEL VSS AL-SIG AL-OUT IF70k NC RANGE AM/FM-SEL AVDD AMIN AVSS FMIN I/O -OL OL I O O ISU ISD ISD ISU ISU ISU ISU -ISD -OD10 O4 ISD -ISU ISU ----- Oscillator Input Pad Schmitt trigger input pad with pull-up Schmitt trigger input pad with pull-down HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD Rev: 1.0 2000.12.31 5 Silan Semiconductors FUNCTIONAL DESCRIPTION 1. RADIO FREQUENCY DISPLAY OPERATION (DTS MODE): SC3610 The FM and AM local oscillator output generated from the external RF receiver enters a high gain input comparator through the FMIN and the AMIN pins respectively. The FM signal then routes through a divide-by-10 dynamic pre-scalar. Depending on the state of the AM/FM-SEL pin, the FM and AM signal will be selected and enters the IF frequency offset block. Depending on the FM/AM selection, 10.7MHz/70kHz or 455kHz I.F. frequency will be subtracted or added from the input signal. LCD Display Range: Mode FM AM Range H L H L Display range (on LCD) 11.00 MHz to 99.99 MHz 11.00 MHz to 149.9 kHz 500 kHz to 9999 kHz 0.5 MHz to 29.99 MHz Step 10kHz 100kHz 1kHz 10kHz Resolution 1kHz 10kHz 100kHz 1kHz Note:1 When counter frequency overflow, MSB will not be displayed. IF Offset for different application: IF70K 0 0 1 1 AMFMSEL 0 1 0 1 IF Offset +10.7MHz +455kHz -70 kHz* +455 kHz Operation Display FM input frequency 10.7MHz Display AM input frequency 455kHz Display FM input frequency +70kHz Display AM input frequency 455kHz * Suitable to use with Silan SC1088 2. CLOCK FUNCTION: 1) The clock will be advanced in the following flow: PM 12:00 → PM 11:59 → AM 12:00 → 11:59 2) The [:] sign is the second indicator and will blink at a rate of 2Hz 3) TIME SETTING: -Pressing the keys combination of [TIME SET] [HR SET] or [TIME SET] [MIN SET] will enter the time setting mode. -One digit will be incremented after entering the alarm setting mode. Keep pressing the keys combination for more than 0.5 seconds will make the digit to be advanced at a rate of 2Hz. 4) ALARM TIME SETTING: -Pressing the keys combination of [AL DISP] [HR SET] or [AL DISP] [MIN SET] will enter the alarm time setting mode. The [AL] indicator will turn on and the [:] sign will stop blinking. -One digit will be incremented after entering the alarm setting mode. Keep pressing the keys combination HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD Rev: 1.0 2000.12.31 6 Silan Semiconductors for more than 0.5 seconds will make the digit to be advanced at a rate of 2Hz. 5) ALARM FUNTION: ---- SC3610 AL OUT output pin will output an alarm frequency of 1024Hz at 0.2 sec on and 0.2 sec off. AL OUT pin can be used to direct drive a piezo buzzer. When alarm is active, AL OUT output can be disabled by pressing the [AL-ON/OFF] key or it will turn off automatically after 3 minutes lapse. -- AL-SIG pin is an open drain output (active low). Once alarm is activated, AL-SIG can be disabled by pressing [AL-ON/OFF] key or it will turn off automatically after one hour time lapse. -- When [AL DISP] is pressed, alarm setting time will be displayed on the LCD and the [AL] indicator will be on. -- The [AL-ON/OFF] pin will toggle the [ indicator is on, alarm function is on. ] indicator to turn on of off the alarm function. When the 6) 32.768kHz crystal is used for the reference frequency. 7) After Power-on-reset (RST): --[HR SET] and [MIN SET] keys will be disabled. [AL-DISP] KEY,[AL-ON/OFF] KEY AND AL-SIG output will be enabled. 3. After POWER-ON-SET(RST): --When in clock mode, it will display and start at AM 7:00. When in DTS frequency mode, if CLKFREQ-SEL = High, and FMIN & AMIN pins are grounded, all LCD segments will be turned on(LCD test mode). 4. LCD pin configuration and 0 to 9 digits segments display configuration. Pin 1 2 3 4 5 6 7 8 9 10 Function COM1 COM2 COM3 SEG0 SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 COM1 --kHz AL DIG1-d DP1 DP2 DIG2-d : LCD Mapping -COM2 -MHz DIG1-c DIG1-g DIG1-e DIG2-c DIG2-g DIG2-e DIG1-b DIG1-a DIG1-f DIG2-b DIG2-a DIG2-f (To be continued) --COM3 HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD Rev: 1.0 2000.12.31 7 Silan Semiconductors (Continued) Pin 11 12 13 14 15 16 Function SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 PIN16 COL f 4 3 DP2 2 a gb S1 SC3610 LCD Mapping AM DIG3-d -FM DIG4-d PM DIG3-c DIG3-g DIG3-e DIG4-c DIG4-g DIG34-e PIN1 DIG3-b DIG3-a DIG3-f DIG4-b DIG4-a DIG4-f e 1c DP1 d LCD TIMING WAVEFORMS One Cycle One Cycle VDD COM1 VLCD 1/3 VLCD 2/3 VLCD VDD COM2 VLCD 1/3 VLCD 2/3 VLCD VDD COM3 VLCD 1/3 VLCD 2/3 VLCD VDD SEGX. VLCD 1/3 VLCD 2/3 VLCD SEGX. COM1 ON SEGX. COM2 ON SEGX. COM3 ON SEGX. COM1 ON SEGX. COM2 ON SEGX. COM3 ON HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD Rev: 1.0 2000.12.31 8 Silan Semiconductors SUGGESTED APPLICATION 500kHz 30MHz AM Local Oscillator Frequency Clock Buffer Radio Frequency Receiver 11MHz 150MHz FM Local Oscillator Frequency Clock Buffer FM Local Oscillator SC3610 AM Local Oscillator AMIN LCD SC3610 FMIN TYPEICAL LCD LAYOUT Counter Only Mode PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 COM1 COM1 --kHz AL 1D DP1 DP2 2D COL AM 3D -FM 4D PM COM2 -COM2 -MHz 1C 1G 1E 2C 2G 2E 3C 3G 3E 4C 4G 4E COM3 --COM3 S1 1B 1A 1F 2B 2A 2F 3B 3A 3F 4B 4A 4F DP2 DP1 PIN16 PIN1 COL S1 HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD Rev: 1.0 2000.12.31 9 Silan Semiconductors Clock and Counter Mode PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 MW LW SW SC3610 COM3 --COM3 TK 1B 1A 1F 2B 2A 2F 3B MW PIN21 s1 AL a f e g 4 d PIN1 b c 2P 1P COL TK COM1 COM1 --kHz TS 1D 1P 2P 2D COL -3D S1 FM 4D PM AM COM2 -COM2 -MHz 1C 1G 1E 2C 2G 2E 3C 3G 3E 4C 4G 4E DS SW AM MW FM LW PM MHz KHz 3 2 1 TS AM 3A 3F 4B 4A 4F LW stereo SW AL HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD Rev: 1.0 2000.12.31 10 Silan Semiconductors TYPICAL APPLICATION CIRCUITS (1) SC3610 4 - DIGITS LCD DISPLAY 1 COM1 VDD 2 COM2 3 COM3 4 SEG0 5 SEG1 6 SEG2 7 SEG3 8 SEG4 9 SEG5 10 11 12 13 14 15 16 SEG10 SEG11 SEG12 SEG6 SEG7 SEG8 SEG9 10nf 10uf AVDD VDD LCD DRIVER VLCD 0.1µF FMIN AMI N IF AMP PRESCALER DIV. BY 10 FREQ OFFSET AMP RST 1M 0.1µF COUNTER CLKFREQ-SEL 4.7k VDD AM/FM-SEL IF70K AL-SIG TIMMING CTL RANGE M U X OSCOUT PR SET OSCIN CLOCK AL-OUT AVSS MIN SET VSS 20pF 32.768kHz 20pF HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD Rev: 1.0 2000.12.31 11 AL ON/OFF TESTCLK AL DISP TEST SC3610 HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD 9012 10k 470k 330k 0.1µF 10µF 100k SEG 12 SEG 11 SEG 10 SEG 9 SEG 8 SEG 7 SEG 6 SEG 5 SEG 4 SEG 3 9013 9013 16 15 14 13 12 11 10 9 8 7 FM 0.1µF MHz 6 5 4 SEG 2 SEG 1 36 VDD 0.1µH 2pF 2pF 20k 2pF 9018 220 100k SEG 0 COM3 35 33 3 FMIN AMIN 9018 19 25 COM2 VLCD NC RANGE 470pF 10k 31 32 2 COM1 1 NC 30 Buzzer SC3610D AM/FM-SEL 180pF 330pF 3.9nF 3.3nF 6 7 8 9 10 13 34 AL-OUT 28 AL-SIG 27 Rev: 1.0 VSS 33 2000.12.31 IF70K CLKFREQ AL-ON AL-SEL /OFF DISP HRSET 26 21 22 24 23 OSCOUT 18 RUN 0.1µF 15 3 TYPICAL APPLICATION CIRCUITS (2) 0.1µF OSCIN 17 32768Hz MINSET 82pF 11 IF Limiter 5.4k RST 20 10k 68pF 220pF 5 V1 Mixer 2.2k 2.2k 12 6k 5k VP Demodulator Allpass Filter Alarm On/Off Alarm Set BB910 VCO V2 HR MIN Silan Semiconductors Time Set 0.1µF SC1088 VP 680pF 10nF 4 V2 AF 14 6k Loop filter -1 3V 0.1µF 0.1µF V2 5.6k 16 & R S V3 Search Tuning AF MUTE reset 1 2 Audio Out 0.1µF 1.8nF 10k 12 Silan Semiconductors CHIP TOPOGRAPHY SC3610 35 34 33 32 31 30 29 28 27 26 36 37 38 39 40 1 2 3 4 5 25 24 23 22 21 20 19 18 17 16 6 7 8 9 10 11 12 13 14 15 Chip Size: 2.72mmx2.88mm HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD Rev: 1.0 2000.12.31 13 Silan Semiconductors PAD COORDINATES (Unit: µm) PAD NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 SC3610 Y 925 925 925 925 925 615 475 340 205 70 -70 -205 -340 -475 -615 -925 -925 -925 -925 -925 X -70 -205 -340 -475 -615 -890 -890 -890 -890 -890 -890 -890 -890 -890 -890 -615 -475 -340 -205 -70 PAD NO. 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 X 70 205 340 475 610 890 890 890 890 890 890 890 890 890 890 615 475 340 205 70 Y -925 -925 -925 -925 -925 -615 -475 -340 205 -70 70 205 340 475 610 925 925 925 925 925 Note: The original point of the coordinate is the die center. HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD Rev: 1.0 2000.12.31 14 Silan Semiconductors PACKAGE OUTLINE SC3610 UNIT: mm QFP-48-12x12-0.8 17.20+-0.40 12.0+-0.2 2.7 36 37 25 24 12.0+-0.2 48 1.6 1 12 13 17.2+-0.4 1.8+-0.2 0.15+-0.05 0.30+-0.06 0.8 QFP-44-10x10-0.8 13.6+-0.4 10.0+-0.2 2.7 2.6+-0.2 UNIT: mm 1.8+-0.2 33 34 23 22 10.0+-0.2 1.0 44 1 12 11 13.6+-0.4 0.8+-0.2 0.35+-0.10 0.8 0.15+-0.05 HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD Rev: 1.0 2000.12.31 15 Silan Semiconductors COB PACKAGE (QFP TYPE) 23.0+-1.0 2.0 MAX SC3610 UNIT: mm 1.27 1.778 10.0 MAX 0.7 COB PACKAGE (SOP TYPE) 23.0+-1.0 UNIT: mm 23.0+-1.0 2.0 MAX 10.0 +- 0.5 7.0 MAX 1.27 0.5 HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD Rev: 1.0 2000.12.31 16