53 SEGMENT STATIC DRIVER S6A0035 INTRODUCTION The S6A0035 is a general purpose LCD driving IC, and designed to be available for electronic frequency tuning display applications or microcomputer application systems. FEATURES • Maximum 53 segment output for STATIC display • Drive system:1/1 duty → 53 segments 1/2 duty → 104 segments • 3-input pins for serial data transfer (CE, CK, DI ) • 2-pin for 5-level AD converter (ARI, ALI) • 2 display pins for direct displaying (DSP1, DSP2 ) • INH pin for blinking out display BLOCK DIAGRAM S53 S52 S51 S50 S49 S48 S46 S45 S44 S43 S1 COM2 COM1 * * * * S44 (DSP2) S46 (DSP1) S48 (DSP OUT) S49 - S53 (ARLO1 - ARLO5) ...... ...... LATCH & SEGMENT DRIVER ( 1 - 56 BITS) LATCH & SEGMENT DRIVER ( 57 - 112 BITS) VLCD Common Driver OSC Clock Generator ADC ADC S47 (ARI) INH S45 (ALI) Shift Register (56 Bits) & Function Decoder VDD VSS CE CK DI 1 S6A0035 53 SEGMENT STATIC DRIVER 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 S31 S30 S29 S28 S27 S26 S25 S24 S23 S22 S21 S20 S19 S18 S17 PAD DIAGRAM 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 S6A0035 Y (0, 0) X Chip size: 2380× 2980 Pad size: 99× 99 Pad Pitch: 125 Unit: µ m S48 S49 S50 S51 S52 S53 OSC VDD INH VLCD VSS CE CK DI COM2 COM1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 S32 S33 S34 S35 S36 S37 S38 S39 S40 S41 S42 S43 S44 S45 S46 S47 * There is mark of S6A0035 on the center in chip. 2 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 S16 S15 S14 S13 S12 S11 S10 S9 S8 S7 S6 S5 S4 S3 S2 S1 53 SEGMENT STATIC DRIVER S6A0035 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 S47 S46 S45 S44 S43 S42 S41 S40 S39 S38 S37 S36 S35 S34 S33 S32 64 QFP PIN CONFIGURATION S6A0035 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 S31 S30 S29 S28 S27 S26 S25 NC S24 S23 S22 S21 S20 S19 S18 S17 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S13 S14 S15 S16 S48 S49 S50 S51 S52 S53 OSC VDD INH VLCD VSS CE CK DI COM2 COM1 3 S6A0035 53 SEGMENT STATIC DRIVER PAD CENTER COORDINATES 4 PAD PAD COORDINATE NUMBER NAME X 1 S48 2 Unit: um COORDINATE PAD PAD Y NUMBE R NAME X Y -960 -1265 33 S17 885 1265 S49 -835 -1265 34 S18 760 1265 3 S50 -710 -1265 35 S19 635 1265 4 S51 -585 -1265 36 S20 510 1265 5 S52 -460 -1265 37 S21 385 1265 6 S53 -335 -1265 38 S22 260 1265 7 OSC -140 -1265 39 S23 135 1265 8 VDD -15 -1265 40 S24 10 1265 9 /INH 110 -1265 41 S25 -115 1265 10 VLCD 235 -1265 42 S26 -240 1265 11 VSS 360 -1265 43 S27 -365 1265 12 CE 485 -1265 44 S28 -490 1265 13 CK 610 -1265 45 S29 -615 1265 14 DI 735 -1265 46 S30 -740 1265 15 COM2 860 -1265 47 S31 -865 1265 16 COM1 985 -1265 48 S32 -965 940 17 S1 965 -970 49 S33 -965 815 18 S2 965 -845 50 S34 -965 690 19 S3 965 -720 51 S35 -965 565 20 S4 965 -595 52 S36 -965 440 21 S5 965 -470 53 S37 -965 315 22 S6 965 -345 54 S38 -965 190 23 S7 965 -220 55 S39 -965 65 24 S8 965 -95 56 S40 -965 -60 25 S9 965 30 57 S41 -965 -185 26 S10 965 155 58 S42 -965 -310 27 S11 965 280 59 S43 -965 -435 28 S12 965 405 60 S44 -965 -560 29 S13 965 530 61 S45 -965 -685 30 S14 965 655 62 S46 -965 -810 31 S15 965 780 63 S47 -965 -935 32 S16 965 905 53 SEGMENT STATIC DRIVER S6A0035 PAD DESCRIPTION PAD I/O VDD VSS Name Operating Voltage Power VLCD Description Interface For logic circuit (2.7V to 6.5V) 0 V (GND) Driver Supply Voltage Power supply for driving LCD Common output - 1/1duty: Only COM1 is used, COM2 open Power Supply COM1, COM2 Output LCD S1-S43 Output Segment output Segment output for driving LCD LCD S46(DSP1) S44(DSP2) Output Input Segment output DSP input Segment output for driving LCD (Display input pins) LCD Display input S47(ARI) S45(ALI) Output Input Segment output Analog input Segment output for driving LCD (Analog input pins) LCD Analog input S48 (DSPOUT) Output Segment output DSP output Segment output for driving LCD (DSP output pins) LCD S49-S53 Output Segment output Analog output Segment output for driving LCD (Analog output pins) LCD - 1/2duty: Both COM1 and COM2 are used. (ARLO1-5) OSC Input Oscillator Input for clock generator Resistor, Capacitor CE Input Chip Enable CE = High → Chip Enable status Controller CK Input Data Shift Clock Clock pulse input for the 1bit serial shift register. The data is shifted to 56 bit shift register at the rising edge of the clock. Controller DI Input Data Input Display data input Controller INH Input Display blinking Display blinking input (INH = LOW) Controller 5 S6A0035 53 SEGMENT STATIC DRIVER MAXIMUM ABSOLUTE LIMIT (TA = 25 ° C, V S S = 0V) Characteristic Symbol Value VDD max -0.3 to +7.0 VDD V VLCD max -0.3 to VDD+ 0.3 VLCD V VIN1 -0.3 to VDD+ 0.3 CE, CK, DI, INH V VIN2 -0.3 to VDD+ 0.3 S44 ~ S47 Output off (Used as ARI, ALI DSP1, DSP2) V VIN3 -0.3 to VDD+ 0.3 OSC, output off V Output Voltage VO -0.3 to VDD+ 0.3 OSC, output off V Output Current IO1 100 S1 ~ S53 µA IO2 1.0 COM1, COM2 mA Allowable Power Dissipation PD max 100 Ta = 85°C mW Operating Temperature TOPR -30 to +85 - Maximum Supply Voltage Input Voltage Storage Temperature 6 TSTG -40 to +125 Applicable pin - Unit ° ° C C 53 SEGMENT STATIC DRIVER S6A0035 ELECTRICAL CHARACTERISTICS DC Characteristics(VDD =2.7V to 6,5V, VSS = 0V, VLCD = 2.7V - VDD, Ta = - 30 to + 85°C) Characteristics Operating Voltage Symbol VDD Test Conditions Min Typ Max - 2.7 - 6.5 2.7 - VDD 0.8VDD - VDD 0 - 0.2VDD 0.8VDD - VDD Driver Supply Voltage VLCD - Input "HIGH" Voltage 1 VIH1 CE, CK, DI, INH Input "LOW" Voltage 1 VIL1 Input "HIGH" Voltage 2 VIH2 S44, S46 Input "LOW" Voltage 2 VIL2 Output off (Used input pin DSP1, DSP2) 0 - 0.2VDD Input "HIGH" Current 1 IIH1 CE, CK, DI, INH (VI = VDD) - - 5.0 Input "LOW" Current 1 IIL1 CE, CK, DI, INH (VI = 0V) - - 5.0 Input "HIGH" Current 2 IIH2 S44, S45, S46, S47(VI = VDD) - - 10.0 Input "LOW" Current 2 IIL2 S44, S45, S46, S47 (VI = 0V) - - 10.0 Output "HIGH" Voltage 1 VOH1 S1-S53(VLCD=3V, IO=-10µA) VLCD-0.5 - - Output "LOW" Voltage 1 VOL1 S1-S53(VLCD=3V, IO=+10µA) - - 0.5 Output "HIGH" Voltage 2 VOH2 COM1, COM2 (VLCD=3V, IO=-100µA) VLCD-0.6 - - Output "LOW" Voltage 2 VOL2 COM1, COM2 (VLCD=3V, IO = +100µA) - - 0.6 Medium Voltage VM1 COM1, COM2 (VLCD= 6.5V, IO = ± 100µA) 2.65 3.25 3.85 VM2 COM1, COM2 (VLCD = 3.0V, IO = ± 100µA) 0.9 1.5 2.1 First Step Lighting Voltage VA1 S45, S47 0.07VDD 0.1VDD 0.13VDD Second Step Lighting Voltage Third Step Lighting Voltage VA2 S45, S47 0.17VDD 0.2VDD 0.23VDD VA3 S45, S47 0.27VDD 0.3VDD 0.33VDD Fourth Step Lighting Voltage Fifth Step Lighting Voltage VA4 S45, S47 0.37VDD 0.4VDD 0.43VDD VA5 S45, S47 0.47VDD 0.5VDD 0.53VDD S45, S47 (refer to Fig. 2) 0.09VDD 0.1VDD 0.11VDD 40 50 60 - 0.2 0.4 Step Voltage Difference VSTEP Oscillation Frequency f OSC Operating Current IDD1 OSC (R = 51kΩ, C = 680pF) f CK = 2MHz VDD = 3V IDD2 VDD = 6.5V R = 51kΩ - 0.4 0.8 ILCD1 VLCD = 3V C = 680pF - 0.6 1 ILCD2 VLCD = 6.5V - 1.2 2 Driving Current Unit V µA V kHz mA 7 S6A0035 53 SEGMENT STATIC DRIVER AC Characteristics(VSS = 0V, VDD = 2.7V to 6.5V, VLCD = 2.7V - VDD, Ta = - 30 to + 85°C) Characteristic Symbol Test Conditions Min Typ Max tWCKH VDD = 5.0V 0.25 - - tWCKL VDD = 5.0V 0.25 - - Data Set-up Time tSU VDD = 5.0V 0.25 - - Data Hold Time tDH VDD = 5.0V 0.25 - - 1.0 - - 1.25 - - 4.0 - - Clock Pulse Width CE-DI Time CE-CK Time CE Disable Time 8 1/1 duty t1 VDD = 5.0V, at CE rising 1/2 duty t11 VDD = 5.0V, at CE rising t12 VDD = 5.0V, at DI falling 1/1 duty t2 VDD = 5.0V, at CK rising 1/2 duty t21 VDD = 5.0V, at CK rising t22 VDD = 5.0V, at CK rising t3 VDD = 5.0V, at CE falling 1/2 duty Unit µs 53 SEGMENT STATIC DRIVER S6A0035 TIMING CHARACTERISTIC S • 1/1 Duty (56 bits) ~ ~ t2 CE tWCKH tWCKL D1 DI t1 D2 tSU tDH tSU DQ DR tDH 1/2 Duty (112 bits) t22 t3 CE CK D1 DI t11 tSU tDH DR D54 tSU ~ ~ ~ ~ ~ ~ ~ ~ t21 ~ ~ tWCKH ~ ~ ~ ~ ~ ~ • ~ ~ ~ ~ ~ ~ CK DR t12 tDH Figure 1. AC Characteristics 9 S6A0035 53 SEGMENT STATIC DRIVER OUT P U T W A V E F O R M -. 1/1 duty fOSC/512 (Hz) VLCD COM1 0V VLCD S1-S53 0V Unlighting time Lighting time -. 1/2 duty VLCD 1/2 VLCD COM1 0V VLCD COM2 1/2 VLCD 0V fOSC/512 (Hz) S1-S52 output for segment when COM1 side is lighted. S1-S52 output for segment when COM2 side is lighted. VLCD 0V VLCD 0V S1-S52 output for segment when COM1 & COM2 side are lighted. VLCD S1-S52 output for segment when COM1 & COM2 side are unlighted. VLCD 10 0V 0V 53 SEGMENT STATIC DRIVER S6A0035 BLOCK FUNCTION CLOCK GENERATOR The oscillator is operated by connecting external resistor and capacitor. The clock of oscillator block is used as signal of common and segment driver. FUNCTION DECODER Function decoder generates, using chip enable (CE), data (DI), clock (CK) from controller, a signal which controls the function and mode of chip. for example AD / DSP function , drive mode, latch clock select and so forth. Data transfer (56 bits) D1 D2 D3 D4 D5 D6 D7 D8 D47 D48 D49 D50 D51 D52 D53 DP DQ DR DP : Drive mode select bit → 1 / 1 duty at "0" , 1 / 2 duty at "1" , DQ : AD / DSP function select bit → Segment output at "0" AD / DSP function at "1". DR : Latch clock select bit →latch1 clock at "0", latch 2 clock at "1". NOTE: If AD / DSP function selected are not in use, ARI, ALI, DSP1, DSP2 pins are connected to VDD or VSS in order to protect floating. 11 S6A0035 53 SEGMENT STATIC DRIVER SHIFT REGISTER Shift register consists of 53 data bits for display and 3 bits for function / mode select. Data Transfer Mode • 1/1 Duty Data transfer (56 bits) D1 • D2 D3 D4 D5 D6 D7 D8 D47 D48 D49 D50 D51 D52 D53 DP DQ DR 1/2 Duty Data transfer (112 bits) D1 D2 D3 D4 D5 D6 D7 D8 D47 D48 D49 D50 D51 D52 D53 D54 D55 D56 D57 D58 D59 D60 D61 D62 D102 D103 D104D105 D106 DP DQ DR X X 1 * D53, D106: Dummy bit ( do not care) * X: don't care - D1-D53: Display data (1 / 1 duty) → lighted at "1" - D1-D106: Display data (1 / 2 duty) → unlighted at "0" NOTE: If AD / DSP functions are selected. 1/1 duty: D46-D53 → Dummy bit (don't care ) 1/2 duty: D88-D106 → Dummy bit (don't care ) 12 53 SEGMENT STATIC DRIVER S6A0035 The Example of Data Transfer -. 1/1 duty D1 D2 D3 D52 D53 0 DQ 0 D52 D53 1 DQ 0 . Under 52 segments at 1/2 duty D1 D2 D3 . Over 52 segments at 1/2 duty D1 D2 D3 D52 D53 1 DQ 0 D54 D55 D56 D105D106 x x 1 . Under 52 segments at 1/2 duty, data can not be transferred as below figure. D54 D55 D56 D105D106 x x 1 ADC ( Analog to Digital Converter ) 0.5VDD 0.4VDD 0.3VDD 0.2VDD 0.1VDD VSTEP VSTEP VSTEP VSTEP VSTEP Figure 2. Step Voltage Difference input Voltage on S45 (ALI), S47 (ARI) Note: ADC consists of two analog inputs (ARI, ALI ) and two ADCs for level meter, and converts a analog input to 5-level digital data in order to drive level meter. 13 S6A0035 53 SEGMENT STATIC DRIVER COMMON DRIVER -. 1/1 duty VLCD COM1 0V -. 1/2 duty fOSC/512 (Hz) VLCD 1/2 VLCD COM1 0V VLCD COM2 1/2 VLCD 0V LATCH AND SEGMENT DRIVER • Latch has two signal, latch 1 clock latches D1 to D52 in 1/1 duty mode or 1/2 duty mode. latch 2 clock latches D54 to D105 in 1/2 duty mode D53 and D106 mean dummy bits ( Don't care ) at 1/2 duty mode • If AD/DSP function is selected, S44 to S47 are input pins, S48 to S53 are output pins. 14 53 SEGMENT STATIC DRIVER S6A0035 CORRESPONDENCE BETWEEN TRANSFER (EXTERNAL INPUT) DATA AND OUTPUT PIN DP DQ OUTPUT S1 0 1 0 1 1 / 1 duty D1 D1 S2 D2 D2 S3 D3 D3 . . S26 . . D26 . . D26 S27 D27 D27 S28 D28 D28 . . S43 . . D43 . . D43 S44 D44 D44 S45 D45 D45 S46 D46 *DSP1 S47 D47 *ARI S48 D48 *DSPO1 S49 D49 *ARO1 S50 D50 *ARO2 S51 D51 *ARO3 S52 D52 *ARO4 S53 D53 *ARO5 0 1 COM1 D1 D2 D3 D4 D5 D6 . . D51 D52 D54 D55 D56 D57 . . D86 D87 *DSP2 l *ALI l *DSP1 l *ARI l COM2 1 / 2 duty D1 D2 D3 D4 D5 D6 . . D51 D52 D54 D55 D56 D57 . . D86 D87 D88 D89 D90 D91 D92 D93 D94 D95 D96 D97 D98 D99 D100 D101 D102 D103 D104 D105 ALWAYS LIGHTING ALWAYS LIGHTING l l l l . . l l . . l l l l . . l l . . l l l l l l *DSPO1 *DSPO2 *ARO1 *ALO1 *ARO2 *ALO2 *ARO3 *ALO3 *ARO4 *ALO4 *ARO5 *ALO5 l l l l l l l l l l l l NOTE: In case of 1 / 1duty, only COM1 is used. DSP1, DSP2: External display input data DSPO1, DSPO2: External display output data ARI, ALI: AD converter input data ARO1 to 5, ALO1 to 5: AD converter output data. 15 S6A0035 53 SEGMENT STATIC DRIVER APPLICATION CIRCUIT Application C ircuit 1 VDD 680pF VLCD OSC 51kΩ VDD R + INH VLCD 0.1µF C S6A0035 VSS CE CK DI From controller Application Circuit 2 VDD 680pF OSC 51kΩ VDD + 0.1µF INH VLCD S6A0035 VSS From controller 16 CE CK DI