液晶屏驱动 IC SC6523(文件编号：S&CIC0546) DESCRIPTION SC6523 is an LCD Driver IC which can drive up to 156 segments. It can be used for frequency display in microprocessor-controlled radio receiver and in other display applications. SC6523 supports both 1/2 bias, 1/3 duty and 1/3 duty, 1/3 bias. Pin assignments and application circuit are optimized for easy PCB layout and cost saving advantages. FEATURES Up to 156 Segments Outputs 1/3 Duty - 1/2 Bias and 1/3 Duty - 1/3 Bias Drive Techniques Power Saving Mode and all Segments OFF Function Direct Display of Display Data without using a Decoder RC Oscillation Circuit Power Supply Voltage: 4.5 to 6V LCD Drive Bias Voltage can be provided internally or externally Available in 64 pins, QFP or LQFP Package APPLICATIONS Electronic Dictionary / Translator P.O.S. Caller ID Pager Mini Compo Electronic Equipment with LCD Display 第 1 页 共 1 页 液晶屏驱动 IC SC6523(文件编号：S&CIC0546) SG48 SG47 SG46 SG45 SG44 SG43 SG42 SG41 SG40 SG39 SG38 SG37 SG36 SG35 SG34 SG33 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 PIN CONFIGURATION SG49 49 32 SG32 SG50 50 31 SG31 SG51 51 30 SG30 SG52 52 29 SG29 COM1 53 28 SG28 COM2 54 27 SG27 COM3 55 26 SG26 VDD 56 25 SG25 /INH 57 24 SG24 VDD1 58 23 SG23 VDD2 59 22 SG22 VSS 60 21 SG21 OSC 61 20 SG20 CE 62 19 SG19 CLK 63 18 SG18 DI 64 17 SG17 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 SG1 SG2 SG3 SG4 SG5 SG6 SG7 SG8 SG9 SG10 SG11 SG12 SG13 SG14 SG15 SG16 SC6523 第 2 页 共 2 页 液晶屏驱动 IC SC6523(文件编号：S&CIC0546) APPLICATION CIRCUITS 1/3 BIAS（FOR SMALL DISPLAY PANEL） 62K 1000pF OSC VDD VDD IN4148 COM1 R1 COM2 COM3 /INH 20pF 0.1uF LCD PANEL (UP TO VSS 156 SEGMENTS) VDD1 OPEN SG1 VDD2 CE FROM THE MICROCONTROLLER SG52 CLK DI Note: 1. 39KΩ≥R1≥10 KΩ 1/3 BIAS（FOR NORMAL SIZE DISPLAY PANELS） 47KΩ 1000pF OSC VDD VDD IN4148 R1 COM1 COM2 /INH 20pF 0.1uF COM3 (UP TO VSS 156 SEGMENTS) VDD1 C VDD2 SG1 C CE FROM THE MICROCONTROLLER CLK LCD PANEL SG52 DI Note: 1. 39KΩ≥R1≥10 KΩ 2. C≥0.047uF 第 3 页 共 3 页 液晶屏驱动 IC SC6523(文件编号：S&CIC0546) 1/3 BIAS (FOR LARGE PANELS) 62K 1000pF OSC VDD VDD IN4148 R COM1 R1 COM2 COM3 /INH 20pF 0.1uF LCD PANEL (UP TO VSS 156 SEGMENTS) VDD1 C R SG1 VDD2 C R CE FROM THE MICROCONTROLLER CLK SG52 DI Note: 1. 39KΩ≥R1≥10 KΩ 2. C≥0.047uF 3. 10KΩ≥R≥1 KΩ ORDER INFORMATION Valid Part Number Package Type Top Code SC6523 64 Pins, QFP Package SC6523 SC6523LQ 64 Pins, LQFP Package SC6523LQ SC6523 (L) 64 Pins, QFP Package SC6523 Sc6523LQ (L) 64 Pins, LQFP Package SC6523LQ Note: 1. (L) = Lead Free 2. The Lead Free mark is put in front of the date code. 第 4 页 共 4 页 液晶屏驱动 IC SC6523(文件编号：S&CIC0546) PAD ASSIGNMENT AND LOCATION SG49 SG48 SG47 SG46 SG45 SG44 SG43 SG42 SG41 SG40 SG39 SG38 SG37 SG36 SG35 SG34 SG33 SG50 SG32 SG51 SG31 SG52 SG30 COM1 SG29 COM2 SG28 COM3 SG27 VDD SG26 Substrate is connected to GND SG25 VDD1 SG24 VDD2 SG23 GND SG22 OSC SG21 CE CLK AAAAAA INH SG20 SG19 DI SG01 SG18 SG02 SG03 SG04 SG05 SG06 SG07 SG08 SG09 SG10 第 5 页 共 5 页 SG11 SG12 SG13 SG14 SG15 SG16 SG17 液晶屏驱动 IC SC6523(文件编号：S&CIC0546) Pad No. Pad Name X Y Pad No. Pad Name X Y 1 SG01 10.00 10.00 33 SG33 1800.00 1770.00 2 SG02 135.00 10.00 34 SG34 1675.00 1770.00 3 SG03 245.00 10.00 35 SG35 1565.00 1770.00 4 SG04 355.00 10.00 36 SG36 1455.00 1770.00 5 SG05 465.00 10.00 37 SG37 1345.00 1770.00 6 SG06 575.00 10.00 38 SG38 1235.00 1770.00 7 SG07 685.00 10.00 39 SG39 1125.00 1770.00 8 SG08 795.00 10.00 40 SG40 1015.00 1770.00 9 SG09 905.00 10.00 41 SG41 905.00 1770.00 10 SG10 1015.00 10.00 42 SG42 795.00 1770.00 11 SG11 1125.00 10.00 43 SG43 685.00 1770.00 12 SG12 1235.00 10.00 44 SG44 757.00 1770.00 13 SG13 1345.00 10.00 45 SG45 465.00 1770.00 14 SG14 1455.00 10.00 46 SG46 355.00 1770.00 15 SG15 1565.00 10.00 47 SG47 245.00 1770.00 16 SG16 1675.00 10.00 48 SG48 135.00 1770.00 17 SG17 1800.00 10.00 49 SG49 10.00 1770.00 18 SG18 1800.00 120.00 50 SG50 10.00 1660.00 19 SG19 1800.00 230.00 51 SG51 10.00 1550.00 20 SG20 1800.00 340.00 52 SG52 10.00 1440.00 21 SG21 1800.00 450.00 53 COM1 10.00 1330.00 22 SG22 1800.00 560.00 54 COM2 10.00 1220.00 23 SG23 1800.00 670.00 55 COM3 10.00 1110.00 24 SG24 1800.00 780.00 56 VDD 10.00 1000.00 25 SG25 1800.00 890.00 57 INH 10.00 890.00 26 SG26 1800.00 1000.00 58 VDD1 10.00 780.00 27 SG27 1800.00 1110.00 59 VDD2 10.00 670.00 28 SG28 1800.00 1220.00 60 GND 10.00 560.00 29 SG29 1800.00 1330.00 61 OSC 10.00 450.00 30 SG30 1800.00 1440.00 62 CE 10.00 340.00 31 SG31 1800.00 1550.00 63 CLK 10.00 230.00 32 SG32 1800.00 1660.00 64 DI 10.00 120.00 第 6 页 共 6 页