40 CH SEGMENT/COMMON DRIVER FOR DOT MATRIX LCD S6A0065 INTRODUCTION The S6A0065 is a LCD driver IC which is fabricated by low power CMOS technology. Basically this IC consists of 20 x 2 bit bi-directional shift register, 20 x 2 bit data latch and 20 x 2 bit driver. (refer to Fig 1) This IC can be used as common or segment driver. FUNCTION • Dot matrix LCD driver with 40 channel output. • Selects function to use common/segment drivers simultaneously. • Input / Output signal - Output: 20 x 2 channel waveform for LCD driving - Input: Serial display data and control signal from the controller LSI. Bias voltage (V1-V6) FEATURES • Display driving bias: static - 1/5 • Power supply voltage: 2.7- 5.5V • Supply voltage for display: 3.0 - 13.0V (VLCD = VDD - VEE) • Interface Driver (cascade connection) Other S6A0065, S6A2067 • CMOS Process • 64QFP or bare chip available Controller S6A0069 S6A0070 S6A0073 1 S6A0065 40 CH SEGMENT/COMMON DRIVER FOR DOT MATRIX LCD BLOCK DIAGRAM Part 1 SC1 SC2 SC19 SC20 V1 V2 V3 V4 Part 2 SC21 SC22 SC39 SC40 V1 LCD DRIVER LCD DRIVER V2 V5 V6 VDD M Data Latch (20 bits) Data Latch (20 bits) Bidirectional Shift Register (20 bits) Bidirectional Shift Register (20 bits) VEE SW CL1 CL2 CONTR Logic FCS DL1 SHL1 DR1 DL2 SHL2 Figure 1. S6A0065 Functional Block Diagram 2 VSS DR2 40 CH SEGMENT/COMMON DRIVER FOR DOT MATRIX LCD S6A0065 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 V6 V5 V4 V3 V2 V1 FCS SHL2 SHL1 M NC DR2 DL2 DR1 DL1 GND(VSS) CL2 CL1 VEE PIN CONFIGURATION SC30 SC31 SC32 SC33 SC34 56 57 58 59 60 S6A0065 30 29 28 27 26 25 SC1 SC2 SC3 SC4 SC5 SC6 24 23 22 21 20 19 VDD SC7 SC8 SC11 SC10 SC9 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 50 51 52 53 54 55 SC29 SC28 SC27 SC26 SC25 SC24 SC23 SC22 SC21 SC20 SC19 SC18 SC17 SC16 SC15 SC14 SC13 SC12 SC40 SC39 SC38 SC37 SC36 SC35 Figure 2. 60 QFP Top View 3 S6A0065 40 CH SEGMENT/COMMON DRIVER FOR DOT MATRIX LCD 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 PAD DIAGRAM S6A0065 Y (0, 0) X Chip size: 2700 × 2190 Pad size: 100 × 100 Unit: µ m 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 48 49 50 51 52 53 54 55 56 57 58 59 1 NOTE: (0,0) is center in the chip. 4 30 29 28 27 26 25 24 23 22 21 20 40 CH SEGMENT/COMMON DRIVER FOR DOT MATRIX LCD S6A0065 PAD CENTER COORDINATES PAD PAD COORDINATE NUMBER NAME X 1 VEE 2 Unit: um COORDINATE PAD PAD Y NUMBER NAME X Y -1120.2 -642.5 31 SC28 1117.5 865.2 CL1 -1062.5 -865.2 32 SC27 992.5 865.2 3 CL2 -937.5 -865.2 33 SC26 867.5 865.2 4 VSS -812.5 -865.2 34 SC25 742.5 865.2 5 DL1 -687.5 -865.2 35 SC24 617.5 865.2 6 DR1 -562.5 -865.2 36 SC23 492.5 865.2 7 DL2 -437.5 -865.2 37 SC22 367.5 865.2 8 DR2 -312.5 -865.2 38 SC21 242.5 865.2 9 M -187.5 -865.2 39 SC20 117.5 865.2 10 SHL1 -62.5 -865.2 40 SC19 -7.5 865.2 11 SHL2 62.5 -865.2 41 SC18 -132.5 865.2 12 FCS 187.5 -865.2 42 SC17 -257.5 865.2 13 V1 332.5 -865.2 43 SC16 -382.5 865.2 14 V2 457.5 -865.2 44 SC15 -507.5 865.2 15 V3 582.5 -865.2 45 SC14 -632.5 865.2 16 V4 707.5 -865.2 46 SC13 -757.5 865.2 17 V5 832.5 -865.2 47 SC12 -882.5 865.2 18 V6 957.5 -865.2 48 SC9 -1120.2 857.2 19 SC40 1082.5 -865.2 49 SC10 -1120.2 732.5 20 SC39 1120.2 -627.5 50 SC11 -1120.2 607.5 21 SC38 1120.2 -502.5 51 SC8 -1120.2 482.5 22 SC37 1120.2 -377.5 52 SC7 -1120.2 357.5 23 SC36 1120.2 -252.5 53 VDD -1120.2 232.5 24 SC35 1120.2 -127.5 54 SC6 -1120.2 107.5 25 SC30 1120.2 -2.5 55 SC5 -1120.2 -17.5 26 SC31 1120.2 122.5 56 SC4 -1120.2 -142.5 27 SC32 1120.2 247.5 57 SC3 -1120.2 -267.5 28 SC33 1120.2 372.5 58 SC2 -1120.2 -392.5 29 SC34 1120.2 497.5 59 SC1 -1120.2 -517.5 30 SC29 1120.2 622.5 5 S6A0065 40 CH SEGMENT/COMMON DRIVER FOR DOT MATRIX LCD PIN DESCRIPTION Pin (No.) I/O VDD(24) GND(34) Operating Voltage Power VEE(31) V1, V2 (44,45) I SC1 - SC20 O V3, V4 (46, 47) I SHL1(41) I DL1, DR1 (35, 36) I/O SC21- SC40 O V5, V6 (48, 49) I SHL2(42) I DL2,DR2 (37, 38) I/O M (40) I CL1,CL2 (32,33) Name I Description Interface For logical circuit (2.7 - 5.5V) Power 0V (GND) Supply Negative Supply Voltage For LCD driver circuit Bias Voltage Bias voltage level for LCD drive (select level) Power LCD driver LCD driver output LCD Bias Voltage Bias voltage level for LCD drive (non-select level) Data interface Selection of the shift direction of Part 1 shift register Part 1 SHL1 VDD DL1 out in VSS in out Controller or S6A0065 LCD driver LCD driver output Bias Voltage Bias voltage level for LCD drive (non-select level) Data interface Selection of the shift direction of Part 2 shift register SHL2 VDD DL2 DR2 out in VSS in out Data shift /latch clock Power VDD or VSS Controller or S6A0065 Data input/output of Part 2 shift register Alternated signal for LCD driver output VDD or VSS DR1 Data input/output of Part 1 shift register Part 2 Power Controller PART 1 FCS VSS CL1 CL2 M polartty latch clock shift clock VDD M VSS 2 FCS(43) I Mode selection latch clock shift clock VDD M Shift/latch clock of display data and polarity of M signal are changed by FCS signal. By setting FCS to VDD level, user can select the function that use Part 1 as segment driver and Part 2 as common driver simultaneously. NC(39) 6 No connection pin NC 40 CH SEGMENT/COMMON DRIVER FOR DOT MATRIX LCD S6A0065 MAXIMUM ABSOLUTE LIMIT (Ta = 25°C) Characteristic Symbol Value Unit Operating Voltage VDD - 0.3 to + 7.0 V Driver Supply Voltage VLCD VDD - 15.0 to VDD + 0.3 V Input Voltage 1 VIN1 - 0.3 to VDD + 0.3 V Input Voltage 2 (V1 - V6) VIN2 VDD + 0.3 to VEE - 0.3 V Operating Temperature TOPR - 30 to + 85 °C Storage Temperature TSRG - 55 to + 125 °C * Voltage greater than above may damage the circuit * VEE: connect a protection resistor (220Ω ± 5%) ELECTRICAL CHARACTERISTICS DC Characteristics(VDD = 2.7 - 5.5V, VDD-VEE = 3 - 13V, VSS = 0V, Ta = -30 - +85°C) Characteristic Symbol Test condition Min Max Unit Operating Current * IDD f CL2 = 400kHz - 1 mA Supply Current * IEE f CL1 = 1kHz - 10 µA Input High Voltage VIH 0.7VDD VDD V Input Low Voltage VIL 0 0.3VDD Input Leakage Current ILKG VIN = 0-VDD -5 5 Output High Voltage VOH IOH = -0.4mA VDD-0.4 - Output Low Voltage VOL lOL = +0.4mA - 0.4 Voltage Descending VD1 ION = 0.1mA for one of SC1-SC40 - 1.1 VD2 ION = 0.05mA for each SC1-SC40 - 1.5 -10 10 Leakage Current IV - VIN = VDD VEE (Output SC1-SC40 : floating) Applicable pin - CL1, CL2, DL1, DL2 DR1, DR2, SHL1, SHL2 µA M, FCS DL1, DL2, DR1, DR2 V V(V1-V6)SC(SC1-SC40) µA V1-V6 7 S6A0065 40 CH SEGMENT/COMMON DRIVER FOR DOT MATRIX LCD AC Characteristics(VDD = 2.7 to 5.5V, VDD-VEE = 3 to 13V, VSS = 0V, Ta = -30 to +85 °C) Characteristic Symbol Test condition Min Max Unit Applicable pin kHz CL2 f CL - - 400 Clock High Level Width tWCKH - 800 - CL1, CL2 Clock Low Level Width tWCKL - 800 - CL2 tSL from CL2 to CL1 500 - tLS from CL1 to CL2 500 - Clock Rise/Fall Time tR/tF - - 200 Data Set-up Time tSU - 300 - Data Hold Time tDH - 300 - Data Delay Time tD CL = 15pF - 500 Data Shift Frequency Clock Set-up Time ns CL1, CL2 DL1, DL2, DR1, DR2, FLM DL1, DL2, DR1, DR2 * Input/Output current is excluded; When input is at the intermediate level with CMOS, excessive current flows through the input circuit to the power supply, To avoid this, input level must be fixed at "H" or "L". 8 40 CH SEGMENT/COMMON DRIVER FOR DOT MATRIX LCD S6A0065 TIMING CHARACTERISTIC S CL2 tWCKL VIH VIL VIH VIL tR tWCKH tF tDH tSU Data in (DL1,DL2) (DR1, DR2) Data out (DL1,DL2) (DR1, DR2) VIH VIL tD VOH tSL VOL tLS tLS VIH VIL CL1 tR tWCKH tF tSU VIH FLM VIL Figure 3. AC characteristics FUNCTIONAL DESCRIPTIO N 1) To Drive Segment Type When the FCS is connected to VSS, S6A0065 (SC1-SC40) is operated as segment driver.(refer to Fig 4) M Latch CL1 Shift CL2 DL1/DR1 DL2/DR2 Output of Latch (SC) SC1 SC2 SC39 SC40 SC1 - SC40 Figure 4. Segment Data Waveform 9 S6A0065 40 CH SEGMENT/COMMON DRIVER FOR DOT MATRIX LCD 2) To Drive Common Type When the FCS is connected to VDD, only part2 (SC21-SC40) of S6A0065 is operated as common driver. (refer to Fig 5). DL2/DR2 M Latch CL1 Shift CL2 Output of Latch (SC) SC21 - SC40 Figure 5. Common Data Waveforms LCD OUTPUT WAVEFORMS FCS Output of Latch (DATA) M V2 V2 V4 (SC1 Part 1 - SC20) V4 V3 V3 V1 V1 V2 V2 V5 Part 2 (SC21 - SC40) V5 V6 V1 V1 V6 *1 Figure 6. Output Waveforms *1: To use for same function of part 1 and part 2, V3 and V5, V4 and V6 of power supply for LCD drive are short circuited respectively. 10 40 CH SEGMENT/COMMON DRIVER FOR DOT MATRIX LCD S6A0065 APPLICATION CIRCUIT 1) Segment Driver COM1 LCD ~ S6A0069 (Controller) COM16 common signal segment signal M CLK2 CLK1 D SC1 - SC40 SHL1 SHL2 S6A0065 FCS (seg driver) SC1 - SC40 SHL1 SHL2 S6A0065 FCS (seg driver) DR2 DL1 DR1 DL2 CL1 CL2 M DR2 DL1 DR1 DL2 CL1 CL2 M open 2) Common Driver CL1 CL2 FLM S6A0065 DL1 DR1 (Com Driver) DL2 SC1-SC40 SHL2 SHL1 FCS Controller CL1 CL2 LCD Common Signal Segment Signal SC 1-SC 40 SC 1-SC 40 S6A0065 (Seg Driver) S6A0065 (Seg Driver) 11 S6A0065 40 CH SEGMENT/COMMON DRIVER FOR DOT MATRIX LCD 3) Segment / Common Driver common signal LCD Controller segment signal SC 21 - SC 40 SC 1 - SC 20 D FLM M CL1 CL2 VDD 12 DL1 DL2 FCS SHL1 SHL2 S6A0065 (seg/com driver) DR1 CL1 CL2 SC 1 - SC 40 FCS SHL1 SHL2 M DL1 DR1 DL2 DR2 open S6A0065 (seg driver) CL2 CL1 M