MOTOROLA SEMICONDUCTOR TECHNICAL DATA MC141511A LCD Segment Driver CMOS The MC141511A is an LCD frontplane (segment) driver chip which includes a 656 x 8 display RAM. The MC68HC05L10 microcomputer is the companion device which provides the backplane drive. The MC68HC05L10, together with one MC141511A, may be used to drive a 5248-pixel muxed-by-41 display or a 4096-pixel muxed-by-32 display. Larger displays may be driven by adding additional MC141511A. The MC141511A is a low operating voltage version of MC141511. It is pin to pin compatible to the MC141511. See Application Note AN-HK-13A. • Operating Supply Voltage Range Control Logic, RAM, and Latch (VDD Pin): 2.7V to 5.5V Frontplane Drivers (VLCD Pin): 4.5V to 13.2V • Operating Temperature Range: -20 to 70˚C • Direct Interface with the MC68HC05L10 • 656 x 8 Static RAM (Display RAM) • 128 LCD Segment (Frontplane) Driving Signals • 10-Bit Address Bus and 8-Bit Bidirectional Data Bus • Selectable 1:32 or 1:41 Multiplex Ratios • Available in Two Forms: TAB (Tape Automated Bonding), 161 Contacts, 10 sprocket hole device Die Form Without Gold Bumps, 159 Pads with 4.5 mil Pads Pitch MC141511AT2 TAB MCC141511A DIE ORDERING INFORMATION MCC141511A BARE DIE MC141511AT2 TAB BLOCK DIAGRAM D0-D7 A0-A9 R/W Display RAM BPCLK PHI2 CE Control Logi c BPSYNC LCD DATA LATCH LRS MS SEGMENT DRIVER VDD LEVEL SELECTOR VLCD VSEGH VSEGL VSS DRIVER OUTPUTS REV 3 10/96 MOTOROLA MC141511A 3–19 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Figure 1A. TAB Package Contact Assignment (Copper View) MC141511A 3–20 MOTOROLA Figure 1B. Chip Pad Assignment MOTOROLA MC141511A 3–21 MAXIMUM RATINGS*(Voltages Referenced to VSS, TA = 25˚C) Symbol VDD Parameter Value Supply Voltage VLCD Vin I TA Tstg Input Voltage Unit -0.3 to +7.0 V -0.3 to +14.0 V VSS-0.3 to VDD+0.3 V 25 mA Operating Temperature -20 to +70 ˚C Storage Temperature Range -65 to +150 ˚C Current Drain Per Pin Excluding VDD and VSS * Maximum Ratings are those values beyond which damage to the device may occur. Functional operation should be restricted to the limits in the Electrical Characteristics tables or Pin Description section. ELECTRICAL CHARACTERISTICS (Voltage Referenced to VSS, TA = 25˚C) Symbol VDD VLCD Parameter Operating Voltage Supply Voltage LCD Voltage This device contains circuitry to protect the inputs against damage due to high static voltages or electric fields; however, it is advised that normal precautions to be taken to avoid application of any voltage higher than maximum rated voltages to this high impedance circuit. For proper operation it is recommended that Vin and Vout be constrained to the range VSS < or = (Vin or Vout) < or = VDD. Reliability of operation is enhanced if unused input are connected to an appropriate logic voltage level (e.g., either VSS or VDD). Unused outputs must be left open. This device may be light sensitive. Caution should be taken to avoid exposure of this device to any light source during normal operation. This device is not radiation protected. Min Typ Max Unit 2.7 4.5 - 5.5 13.2 V V - 25 15 200 30 20 uA uA uA - 17 10 200 30 20 uA uA uA - - 200 uA VLCD-0.1 - 0.1 - V V IAC IDP ISB Supply Current at VDD=5.5V (PHI2=3.685MHz) ACCESS DISPLAY STANDBY (Using DON bit of the MCU) at VDD=3.0V (PHI2=1.25MHz) ACCESS DISPLAY STANDBY (Using DON bit of the MCU) ILCD Supply Current at VLCD VOL VOH Output Voltage, Iload10.0uA VOH Output High Voltage (Iload=1.6mA) D7-D0 VDD-0.8 - - V VOL Output Low Voltage (Iload=1.6mA) D7-D0 - - 0.4 V VIH Input High Voltage R/W, BPCLK, BPSYNC, PHI2, MS, CE, D7-D0 0.8xVDD - VDD V VIL Input Low Voltage R/W, BPCLK, BPSYNC, PHI2, MS, CE, D7-D0 VSS - 0.2xVDD V VR Data Retention Iin Input Current BPCLK, BPSYNC, R/W, PHI2, D7-D0 Cin Capacitance R/W, BPCLK, BPSYNC, PHI2, MS, CE, D7-D0 IOH IOL Output current (VOH=4.5V, VOL=0.5V) IAC IDP ISB MC141511A 3–22 D7-D0 2.0 - - V - - 1 uA - - 8 pF +20 - - -20 uA uA MOTOROLA AC ELECTRICAL CHARACTERISTICS - WRITE CYCLE (VDD=3.0V± 10 %, VSS=0V) Symbol Parameter tCYCW Min Max Unit Write Cycle Time 400 - ns tAS Address Set Up Time 100 - ns tAH Address Hold Time 70 - ns tCS Chip Select Pulse Width 260 - ns tWCS Write to Chip Select Delay Time 100 - ns tDSW Data Setup Time 200 - ns tH Input Hold Time 15 - ns Write Hold Time from Chip Select 70 - ns tWH tCYCW CE tAS tAH tCS PHI2 tWCS t WH R/W tDSW D0-7 tH Data in Stable Figure 2. Write Cycle Timing MOTOROLA MC141511A 3–23 AC ELECTRICAL CHARACTERISTICS - READ CYCLE (VDD=3.0V± 10 %, VSS=0V) Symbol tCYCR tAS tDDR tH Min Max Unit READ Cycle Time Parameter 400 - ns Address Setup Time 100 - ns - 350 ns 10 - ns Data Delay Time (Read) Output Hold Time tCYCR CE tAS tDDR PHI2 tH D0-7 Data Valid Figure 3. Read Cycle Timing MC141511A 3–24 MOTOROLA PIN DESCRIPTIONS VDD AND VSS The main dc power is supplied to the part by these two connections. VDD is the most-positive supply level for logic circuitry and VSS is ground. VLCD This supply connection provides the voltage level for the segment drivers and is connected to the Vout connection of the MC68HC05L10 MCU. VSEGL, VSEGH These inputs are connected to V2 and V3 of an external voltage divider. See Figure 4. LRS The left-right selection input defines the direction of the segment driver display. See Figure 8. 0 or Low = SEG 0 - 127 1 or High = SEG 127 - 0 MS This input selects how display RAM is addressed. Either a 1:32 or 1:41 multiplex ratio is possible. 0 or Low = 1:32 multiplex addressing 1 or High = 1:41 multiplex addressing R/W D0 - D7 These connections form an eight bit wide bidirectional data bus which are connected to D0 through D7 of the MC68HC05L10. This input indicates which direction the data is to be passed over the data bus. When R/W is low, the LCD driver reads data from the data bus (D0-D7). When R/W is high, the LCD driver writes data to the data bus (D0-D7). This input is connected to R/W of MC68HC05L10. A0 - A9 These inputs form a ten-bit wide address bus for addressing the display RAM and are connected to A0 through A9 of the MC68HC05L10. TEST Allowing this connection to float or connecting it to VSS (GND) places the part in the normal mode of operation. This input has an onchip pulldown resistance of approximately 1M. BPSYNC This input is a periodic active-low signal from the MC68HC05L10 for timing synchronization. BPSYNC is connected to FRM of MC68HC05L10. See Figure 5. BPCLK This input may be run as high as 4.096 kHz (50% duty cycle). It provides the required frame frequency for the segment driver. It is connected to BPCLK of the MC68HC05L10. Thus, the frequency is usually 2.048 kHz. See Figure 5. PHI2 This input is a bus clock input that is used for data bus timing synchronization. It is connected to P02 of MC68HC05L10. SEG0 - SEG127 These 128 output lines provide the frontplane drive signals to the LCD panel. These outputs are forced to a low level while display is turned off. Any unused segment outputs should be left open. V3 V2 CE This is an active low chip enable input and is connected to either CS1, CS2, CS3 or CS4 of the MC68HC05L10. MOTOROLA Figure 4. External Voltage Divider MC141511A 3–25 SEG1 SEG2 SEG3 SEG126 SEG127 SEG126 SEG125 SEG124 SEG1 SEG0 LRS = 1 SEG0 LRS = 0 SEG127 Figure 5. Relationship between BPSYNC and BPCLK b0 00 01 02 03 7E 7F 80 81 82 83 FE FF 103 17E 17F 183 1FE 1FF b7 100 101 102 180 181 182 A BYTE 200 201 202 203 204 205 206 207 280 b0 27E 27F 28F b7 Figure 6. Display RAM Configuration MC141511A 3–26 MOTOROLA OPERATION OF LCD DRIVER INTRODUCTION The MC141511 is LCD driver with selectable 1: 32 or 1: 41 multiplex ratios. The device consists of the following functional blocks as shown in the Block Diagram. CONTROL LOGIC - accepts the control signals from the MCU and generates internal signals for synchronisation. DISPLAY RAM - stores the display data. Each bit of the display RAM has one-to-one correspondence to a pixel of the LCD. The display RAM is in vertical byte oriented format as shown in Figure 6 and the way the display RAM is addressed depends on the multiplexing mode of the LCD (Figure 8). With reference to Figure 6, the display RAM also contains 16 bytes of memory which is in horizontal format ($280-$28F). The display RAM is addressed when backplane reaches 41. LEVEL SELECTOR - consists of a switching circuit to select appropriate voltage levels from an external voltage divider. See figure 4. SEGMENT DRIVERS - provides the segment driving signals to the LCD frontplane. See Figure 7. MOTOROLA The LCD driver clock is derived from the 2.048KHz BPCLK and frame frequency is 64 Hz for 1:32 multiplex and 50 Hz for 1:41 multiplex ratio. See Figure 5. GENERATION OF LCD BIAS LEVELS Refer to Figure 4. In order to obtain optimum contrast for LCD panels, the bias levels should be selected such that BIAS = R/(4R+R1) = 1/( MUX + 1) V1/VLCD = 1/( MUX + 1) V2/VLCD = 2/( MUX + 1) V3/VLCD = ( MUX - 1)/( MUX + 1) V4/VLCD = MUX /( MUX + 1) Example: Mux = 41 ----- Bias = 1: 7.4, R = 10K, R1 = 33K, VR = 100K Mux = 32 ----- Bias = 1: 6.6, R = 10K, R1 = 27K, VR = 100K MC141511A 3–27 2 FRAMES = 1/32 OR 1/25 SEC BPSYNC (SIGNAL FROM MCU, FRM PIN) 1 2 3 4 N 1 2 3 4 N 1 2 VLCD V4 V3 COM (1) V2 V1 GND VLCD V4 V3 COM (2) V2 V1 GND VLCD V4 V3 SEG (X) V2 V1 GND VLCD V4 SEG (X)- COM (1) V3 V2 V1 GND -V1 -V2 -V3 -V4 -V LCD 1 FRAME VLCD V4 SEG (X)- COM (2) V3 V2 V1 GND -V1 -V2 -V3 -V4 -V LCD N = 32, 41 Figure. 7 Driving Waveform of 1:5 Bias, 1:32 or 1:41 Multiplex Ratio MC141511A 3–28 MOTOROLA $1C0 - $1CF $200 - $27F $200 - $27F $280 - $2FF $280 - $2FF $300 - $37F $300 - $37F $380 - $3FF $380 - $3FF $400 - $47F 1 : 32 1 : 41 ONE SLAVE $1C0 - $1CF $1D0 - $1DF $200 - $27F $400 - $47F $200 - $27F $480 - $4FF $280 - $2FF $480 - $4FF $280 - $2FF $500 - $57F $300 - $37F $500 - $57F $300 - $37F $580 - $5FF $380 - $3FF $580 - $5FF $380 - $3FF $600 - $67F $400 - $47F $680 - $6FF 1 : 32 1 : 41 TWO SLAVES $200 - $27F $400 - $47F $600 - $67F $280 - $2FF $480 - $4FF $680 - $6FF $300 - $37F $500 - $57F $700 - $77F $380 - $3FF $580 - $5FF $780 - $7FF 1 : 32 $1C0 - $1CF $1D0 - $1DF $1E0 - $1EF $200 - $27F $480 - $4FF $700 - $77F $280 - $2FF $500 - $57F $780 - $7FF $300 - $37F $580 - $5FF $800 - $87F $380 - $3FF $600 - $67F $880 - $8FF $400 - $47F $680 - $6FF $900 - $97F 1 : 41 THREE SLAVES $200 - $27F $400 - $47F $600 - $67F $800 - $87F $280 - $2FF $480 - $4FF $680 - $6FF $880 - $8FF $300 - $37F $500 - $57F $700 - $77F $900 - $97F $380 - $3FF $580 - $5FF $780 - $7FF $980 - $9FF 1 : 32 $1C0 - $1CF $1D0 - $1DF $1E0 - $1EF $1F0 - $1FF $200 - $27F $480 - $4FF $700 - $77F $980 - $9FF $280 - $2FF $500 - $57F $780 - $7FF $A00 - $A7F $300 - $37F $580 - $5FF $800 - $87F $A80 - $AFF $380 - $3FF $600 - $67F $880 - $8FF $B00 - $B7F $400 - $47F $680 - $6FF $900 - $97F $B80 - $BFF 1 : 41 FOUR SLAVES Figure 8. Display RAM Mapping for 1:32 and 1:41 Multiplex Ratio MOTOROLA MC141511A 3–29 PACKAGE DIMENSIONS MC141511AT2 TAB PACKAGE DIMENSION (DO NOT SCALE THIS DRAWING) COPPER POLYIMIDE Reference: 98ASL00183A MC141511A 3–30 Issue “A” released on 04/15/96 MOTOROLA MC141511AT2 TAB PACKAGE DIMENSION (DO NOT SCALE THIS DRAWING) Reference: 98ASL00183A MOTOROLA Issue “A” released on 04/15/96 MC141511A 3–31 MC141511AT2 TAB PACKAGE DIMENSION Dim A B C D E F G H J K L M N P R S T U V W X Y Z AA AB AC AD Millimeters Min Max 46.55 47.55 34.775 35.175 28.947 29.007 4.72 4.78 1.951 2.011 1.951 2.011 1 2 7.469 8.469 9.04 10.04 0.48 0.52 1.26 1.28 4.95 5.05 20.45 20.55 20.45 20.55 9.78 9.88 23.155 23.255 23.155 23.255 22.53 22.62 22.53 22.62 23.1 23.2 23.1 23.2 19.95 20.05 0.2 0.686 0.838 0.068 0.063 0.579 0.629 Inches Min 1.8327 1.3691 1.1396 0.1858 0.0768 0.0768 0.0394 0.2941 0.3559 0.0189 0.0496 0.1949 0.8051 0.8051 0.3850 0.9116 0.9116 0.8870 0.8870 0.9094 0.9094 0.7854 0.027 0.0027 0.0227 Max 1.8720 1.3848 1.1420 0.1882 0.0792 0.0792 0.0787 0.3334 0.3953 0.0205 0.0504 0.1988 0.8091 0.8091 0.3890 0.9156 0.9156 0.8905 0.8905 0.9134 0.9134 0.7894 0.0079 0.033 0.0024 0.0247 Dim AE AF AG AH AJ AK AL AM AN AP AR AS AT AU AV AW AX AY AZ BA BB BC BD BE BF BG Millimeters Min Max 21.25 21.35 1.95 2.05 0.85 0.95 0.85 0.95 9.75 9.85 6.85 6.95 4.75 4.85 1.95 2.05 1.95 2.05 0.085 0.095 0.35 0.45 0.35 0.45 0.6 0.7 0.6 0.7 0.75 0.85 0.75 0.85 1.75 1.85 0.34 0.36 0.15 0.19 13.7 14.3 1.22 1.32 1.22 1.32 0.45 0.55 11.35 11.45 0.12 0.22 12.35 12.45 Inches Min 0.8366 0.0768 0.0335 0.0335 0.3839 0.2697 0.1870 0.0768 0.0768 0.0033 0.0014 0.0014 0.0236 0.0236 0.0295 0.0295 0.0689 0.0134 0.0059 0.5394 0.0480 0.0480 0.0177 0.4469 0.0047 0.4862 Max 0.8406 0.0807 0.0374 0.0374 0.3878 0.2736 0.1909 0.0807 0.0807 0.0037 0.0177 0.0177 0.0276 0.0276 0.0335 0.0335 0.0728 0.0142 0.0075 0.5630 0.0520 0.0520 0.0217 0.4508 0.0087 0.4902 NOTES: 1. Dimensioning and tolerancing per ANSI Y14.5M, 1982. 2. Controlling dimension: millimeter 3. Copper thickness: 1 oz Reference: 98ASL00183A MC141511A 3–32 Issue “A” released on 04/15/96 MOTOROLA MC141511AT2 Reference: 98ASL00183A MOTOROLA Issue “A” released on 04/15/96 MC141511A 3–33 MCC141511A PAD COORDINATES (UNIT: um) Pin Name VDD TEST BPSYNC BPCLK MS PHI2 CE RW A9 A8 A7 A6 A5 A4 A3 A2 A1 A0 LRS D0 D1 D2 D3 D4 D5 D6 D7 VLCD VSEGH VSEGL VSS DUMPAD 4 DUMPAD 3 DUMPAD 2 DUMPAD 1 SEG127 X -1874.62 -1738.66 -1611.06 -1483.46 -1355.86 -1228.26 -1100.66 -973.06 -845.46 -717.86 -590.26 -462.66 -335.06 -207.46 -79.86 47.74 175.34 302.94 430.54 558.14 685.74 813.34 940.94 1068.54 1196.14 1323.74 1451.12 1578.94 1706.54 1834.14 1979.78 2111.78 2239.38 2366.98 2494.58 2619.54 Y -2498.76 -2498.76 -2498.76 -2498.76 -2498.76 -2498.76 -2498.76 -2498.76 -2498.76 -2498.76 -2498.76 -2498.76 -2498.76 -2498.76 -2498.76 -2498.76 -2498.76 -2498.76 -2498.76 -2498.76 -2498.76 -2498.76 -2498.76 -2498.76 -2498.76 -2498.76 -2498.76 -2498.76 -2498.76 -2498.76 -2498.76 -2498.76 -2498.76 -2498.76 -2498.76 -2498.76 Pin Name SEG126 SEG125 SEG124 SEG123 SEG122 SEG121 SEG120 SEG119 SEG118 SEG117 SEG116 SEG115 SEG114 SEG113 SEG112 SEG111 SEG110 SEG109 SEG108 SEG107 SEG106 SEG105 SEG104 SEG103 SEG102 SEG101 SEG100 SEG99 SEG98 SEG97 SEG96 SEG95 SEG94 SEG93 SEG92 SEG91 SEG90 SEG89 SEG88 SEG87 X 2728.66 2728.66 2728.66 2728.66 2728.66 2728.66 2728.66 2728.66 2728.66 2728.66 2728.66 2728.66 2728.66 2728.66 2728.66 2728.66 2728.66 2728.66 2728.66 2728.66 2728.66 2728.66 2728.66 2728.66 2728.66 2728.66 2728.66 2728.66 2728.66 2728.66 2728.66 2728.66 2728.66 2728.66 2728.66 2728.66 2728.66 2728.66 2728.66 2728.66 Y -2233.88 -2119.48 -2005.08 -1890.68 -1776.28 -1661.88 -1547.48 -1433.08 -1318.68 -1204.28 -1089.88 -975.48 -861.08 -746.68 -632.28 -517.88 -403.48 -289.08 -174.68 -60.28 54.12 168.52 282.92 397.32 511.72 626.12 740.52 854.92 969.32 1083.72 1198.12 1312.52 1426.92 1541.32 1655.72 1770.12 1884.52 1998.92 2113.32 2227.72 Pin Name SEG86 SEG85 SEG84 SEG83 SEG82 SEG81 SEG80 SEG79 SEG78 SEG77 SEG76 SEG75 SEG74 SEG73 SEG72 SEG71 SEG70 SEG69 SEG68 SEG67 SEG66 SEG65 SEG64 SEG63 SEG62 SEG61 SEG60 SEG59 SEG58 SEG57 SEG56 SEG55 SEG54 SEG53 SEG52 SEG51 SEG50 SEG49 SEG48 SEG47 SEG46 SEG45 SEG44 SEG43 SEG42 SEG41 SEG40 X 2630.76 2516.36 2401.96 2287.56 2173.16 2058.76 1944.36 1829.96 1715.56 1601.16 1486.76 1372.36 1257.96 1143.56 1029.16 914.76 800.36 685.96 571.56 457.16 342.76 228.36 113.96 -0.44 -114.84 -229.24 -343.64 -458.04 -572.44 -686.84 -801.24 -915.64 -1030.04 -1144.44 -1258.84 -1373.24 -1487.64 -1602.04 -1716.44 -1830.84 -1945.24 -2059.64 -2174.04 -2288.44 -2402.84 -2517.24 -2631.64 Y 2432.32 2432.32 2432.32 2432.32 2432.32 2432.32 2432.32 2432.32 2432.32 2432.32 2432.32 2432.32 2432.32 2432.32 2432.32 2432.32 2432.32 2432.32 2432.32 2432.32 2432.32 2432.32 2432.32 2432.32 2432.32 2432.32 2432.32 2432.32 2432.32 2432.32 2432.32 2432.32 2432.32 2432.32 2432.32 2432.32 2432.32 2432.32 2432.32 2432.32 2432.32 2432.32 2432.32 2432.32 2432.32 2432.32 2432.32 Pin Name SEG39 SEG38 SEG37 SEG36 SEG35 SEG34 SEG33 SEG32 SEG31 SEG30 SEG29 SEG28 SEG27 SEG26 SEG25 SEG24 SEG23 SEG22 SEG21 SEG20 SEG19 SEG18 SEG17 SEG16 SEG15 SEG14 SEG13 SEG12 SEG11 SEG10 SEG9 SEG8 SEG7 SEG6 SEG5 SEG4 SEG3 SEG2 SEG1 SEG0 X -2728.66 -2728.66 -2728.66 -2728.66 -2728.66 -2728.66 -2728.66 -2728.66 -2728.66 -2728.66 -2728.66 -2728.66 -2728.66 -2728.66 -2728.66 -2728.66 -2728.66 -2728.66 -2728.66 -2728.66 -2728.66 -2728.66 -2728.66 -2728.66 -2728.66 -2728.66 -2728.66 -2728.66 -2728.66 -2728.66 -2728.66 -2728.66 -2728.66 -2728.66 -2728.66 -2728.66 -2728.66 -2728.66 -2728.66 -2728.66 Y 2227.72 2113.32 1998.92 1884.52 1770.12 1655.72 1541.32 1426.92 1312.52 1198.12 1083.72 969.32 854.92 740.52 626.12 511.72 397.32 282.92 168.52 54.12 -60.28 -174.68 -289.08 -403.48 -517.88 -632.28 -746.68 -861.08 -975.48 -1089.88 -1204.28 -1318.68 -1433.08 -1547.48 -1661.88 -1776.28 -1890.68 -2005.08 -2119.48 -2233.88 Die Size : 240.0 x 212.0 mil2 Pad Pitch : 4.5 mil Note : 1 mil ~ 25.4 m DUMPAD 1-4: Dummy pad without connections to internal circuitry MC141511A 3–34 MOTOROLA TYPICAL APPLICATIONS 128 X 41 SINGLE PANEL LCD SYSTEM WITH MC68HC05L10 LCD POWER SUPPLY BP0-BP40 Trimmer for Contrast Control 41 X 128 dots LCD Panel SEG0-SEG127 +5V BP0-BP40 VLCD VOUT V4 V1 MC68HC05L10 10K A0-A9 V4 D0-D7 +5V SEG0-SEG127 VDD VSS VLCD VSEGH VSEGL BPCLK BPSYNC CE MS LRS BPCLK FRM CS1 R/W PO2 R/W PHI2 VDD VSS MC141511A D0-D7 A0-A9 +5V 10K V3 30K V2 10K V1 8 10 10K Note : Full capability of MC68HC05L10 can control up to four MC141511A slave LCD drivers with 41 x 512 dots LCD panel. Refer to application note, MC68HC05L10 AN ENHANCED VERSION OF L9 FOR HANDHELD EQUIPMENT APPLICATIONS (AN-HK-13A) for more details. MOTOROLA MC141511A 3–35