第二章-信息安全技术xin

1、A PROFESSTIONAL LCD DRIVER & SOC IC DESIGN HOUSEnProducts presentnGray Scale GenerationnDriver New technDesign NotenCrosstalk issuenPad dimensions (COG type) 5415um X 830um (TSMC 0.35um 12V)nSupport display mode : 8-COM x 100-SEG and 80 ICON16-COM x 100-SEG and 80 ICON24-COM x 80-SEG and 80 ICON

2、nInclude font table (256 character font)nRAM(DDRAM/CGRAM/ICONRAM)64 X 8 BITS CGRAM80 X 8 BITS DDRAM16 X 5 BITS ICONRAMnSimply Interface6800-4bit / 8bit interface8080-4bit / 8bit interface3-line serial interface4-line serial interfaceI2C interfacenSupply voltage for LCD driver (VLCD:3V12V)Programmabl

3、e V0: 3 to 7V(V0)ST7036ST7038KS0093Power Supply Vdd2.75.5V1.83.3V2.45.5LCD Driver Power3.07.0V3.07.0VMax 6.0VPad PitchMin 55 umMin 45 umMin 80 umBumped Pad Size56x72/35x101 um55x60/30 x80 um60 x100/100 x50 umInterface6800 4/8-bit6800 4/8-bit6800 4/8-bitX8080 4/8-bit8080 4/8-bitX3 line serialX4 line

4、Serial4 line serial4 line serialI2CI2CX4/8 bit set by instruction4/8 bit set by instruction4/8 bit set by pinDisplay Mode1 x 20 characters+ 80-icon1 x 20 characters+ 80-iconX2 x 20 characters+ 80 iconS2 x 20 characters+ 80 icons2 x 16 characters+ 80 icons3 x 16 characters+ 80 icons3 x 16 characters+

5、 80 icons3 x 16 characters + 80 iconsST7036ST7038KS0093CGROM256 chars 5x8 dots256 chars 5x8 dots256 chars 5x8 dotsCGRAM8 chars 5x8 dots8 chars 5x8 dots8 chars 5x8 dotsDDRAM640 bits(80 chars)640 bits(80 chars)512 bits(64 chars)IconRAM80 bits(80 icons)80 bits(80 icons)80 bits(80 icons)Internal/Externa

6、l ClockHARDWAREHARDWARESOFTWARECOM/SEG DirectionHARDWARESOFTWARESOFTWARESEG direction changeIconRam address changesIconRam address changeIconRam address doesnt change.1/2/3 LINEOnly 2/3 lineHARDWARESOFTWARESOFTWARECGROM/CGRAMConfigurationHARDWARESOFTWARESOFTWAREContrast Control8 x 64 level128 level2

7、 x 32 levelSOFTWARE: SET BY INSTRUCTION HARDWARE: SET BY HARDWARD PINSOFTWARE: SET BY INSTRUCTION HARDWARE: SET BY HARDWARD PINST7036ST7038KS0093RegulatorXYesYesBooster/Converter2X2X5X4XBIAS LEVEL1/4,1/51/41/71/4,1/5FRAME ADJUSTHARDWARESOFTWAREHARDWAREPower Down modeXYesYesRead AC/BusyYesYesNOComman

8、d delay timeCheck busy ordelay TC timeCheck busy or delay TC timeDont need delayDDRAM write to 08.0F(CGRAM Selected)CGRAM/CGROMCGRAM/CGROMBLANKPackageCOG(170PIN)COG(175PIN)COG(179PIN)n OPR1=0 & OPR2=01. CGROM=240 characters2. CGRAM=8x2charactersn OPR1=0 & OPR2=11. CGROM=250 characters2. CGRA

9、M=6 charactersn OPR1=1 & OPR2=01. CGROM=248 characters2. CGRAM=8 charactersn OPR1=1 & OPR2=11. CGROM=256 characters2. CGRAM=0 characters- Total 256 charactersThe built-in Regulator circuit is shown below, where the Vref = 1.47V.VC6VC5VC4VC3VC2VC1VC0V0 (V)00000002.94000000012.97500000103.0100

10、0000113.045:11111007.28011111017.31511111107.35011111117.385Contrast adjust (Max:128 steps)tech nBasic FeaturesnResolution: 98xRGB(H)x70(V)nVoltage supply for Digital: 1.65 to 2.9VnVoltage supply for Analog: 2.3 to 3.3Vn8/16-bit parallel bi-directional interface with 6800-series or 8080-seriesn4-lin

11、e serial interface/ 3-line(9 bit) serial interfacenNumber of colors on LCD 8 (Idle mode) or 65,536 colors/pixel.nNumber of colors supported by interface: 256 and 4,096 (via LUT) and 65,536 color, nDisplay RAM 98x16x70 bitsnOn-Chip timing generator/Oscillator/ DC/DC converternBasic FeaturesnResolutio

12、n: 96xRGB(H)x128(V)nVoltage supply for Digital: 1.65 to 2.9VnVoltage supply for Analog: 2.3 to 3.3Vn8/16/18-bit parallel bi-directional interface with 6800-series or 8080-seriesn4-line serial interface/ 3-line(9 bit) serial interfacenNumber of colors on LCD 8 (Idle mode) or 262,144 colors/pixel.nNum

13、ber of colors supported by interface: 4,096 and 65,536 (via LUT) and 262,144 colornDisplay RAM 96x18x128 bitsnOn-Chip timing generator/Oscillator/ DC/DC converternBasic FeaturesnResolution: 132xRGB(H)x162(V)nVoltage supply for Digital: 1.65 to 2.9VnVoltage supply for Analog: 2.3 to 3.3Vn8/16/18-bit

14、parallel bi-directional interface with 6800-series or 8080-seriesn4-line serial interface/ 3-line(9 bit) serial interfacenNumber of colors on LCD 8 (Idle mode) or 262,144 colors/pixel.nNumber of colors supported by interface: 4,096 and 65,536 (via LUT) and 262,144 colornDisplay RAM 132x18x162 bitsnO

15、n-Chip timing generator/Oscillator/ DC/DC converternBasic FeaturesnResolution: 132xRGB(H)x132V)nVoltage supply for Digital: 1.65 to 2.9VnVoltage supply for Analog: 2.3 to 3.3Vn8/16-bit parallel bi-directional interface with 6800-series or 8080-seriesn4-line serial interface/ 3-line(9 bit) serial int

16、erfacenNumber of colors on LCD 8 (Idle mode) or 65,536 colors/pixel.nNumber of colors supported by interface: 256 and 4,096 (via LUT) and 65,536 color. nDisplay RAM 132x16x132 bitsnOn-Chip timing generator/Oscillator/ DC/DC converternBasic FeaturesnResolution: 102xRGB(H)x96(V)nVoltage supply for Dig

17、ital: 1.65 to 2.9VnVoltage supply for Analog: 2.3 to 3.3Vn8/16-bit parallel bi-directional interface with 6800-series or 8080-seriesn4-line serial interface/ 3-line(9 bit) serial interfacenNumber of colors on LCD 8 (Idle mode) or 65,536 colors/pixel.nNumber of colors supported by interface: 256 and

18、4,096 (via LUT) and 65,536 color.nDisplay RAM 102x16x96 bitsnOn-Chip timing generator/Oscillator/ DC/DC converternBasic FeaturesnResolution:102(H)x67(V) +1 IconnVoltage supply for Digital: 1.8 to 3.3VnVoltage supply for Analog: 2.4 to 3.3Vn8-bit parallel bi-directional interface with 6800-series or

19、8080-seriesn4-line SPI/ 3-line SPI/ IlCnDisplay RAM：102x 68 bitsnOn-Chip timing generator/Oscillator/ DC/DC converternBasic FeaturesnResolution:102(H)x65(V) +1 IconnVoltage supply for Digital: 1.8 to 3.3VnVoltage supply for Analog: 1.8 to 3.3Vn8-bit parallel bi-directional interface with 6800-series

20、 or 8080-seriesn4-line SPI/ 3-line SPI/ IlCnDisplay RAM：102x 66 bitsnOn-Chip timing generator/Oscillator/ DC/DC converterST7576: Compatibly with ST7546 & OM 6206nBasic FeaturesnResolution:102(H)x65(V) +1 IconnVoltage supply for Digital: 1.8 to 3.3VnVoltage supply for Analog: 2.4 to 3.3Vn8-bit pa

21、rallel bi-directional interface with 6800-series or 8080-seriesn4-line SPI/ 3-line SPI/ IlCnDisplay RAM：102x 66 bitsnOn-Chip timing generator/Oscillator/ DC/DC converter ST7575: Compatibly with ST7545 & PCF 8812ST7578: Compatibly with ST7548 & PCF 8548nBasic FeaturesnResolution: 102(H)x32(V)

22、 +1 Icon or 102(H)x16(V) +1 IconnVoltage supply for Digital: 1.8 to 3.3VnVoltage supply for Analog: 2.4 to 3.3Vn8-bit parallel bi-directional interface with 6800-series or 8080-seriesn4-line SPI/ 3-line SPI/ IlCnDisplay RAM：102x 33 bitsnOn-Chip timing generator/Oscillator/ DC/DC converternBasic Feat

23、uresnResolution:96(H)x68(V)nVoltage supply for Digital: 1.6 to 3.6VnVoltage supply for Analog: 2.4 to 3.6Vn8-bit parallel bi-directional interface with 6800-series or 8080-seriesn4-line SPI/ 3-line SPInDisplay RAM：96x 68 bitsnOn-Chip timing generator/Oscillator/ DC/DC converterGray Scale Generationn

24、FRC (Frame Rate Control)nPWM (Pulse Width Modulation)Gray-ScaleName# of Turn on times5/5White44/5Silver33/5Gray22/5DimGray11/5Black0 4 frames combine to 1 frameControl the number of SEG turn on times between 4 frames to generate the grayscale.n Advantage：Slight Crosstalk Issuen Disadvantage：Serious

25、Flicker IssueGray-ScaleNameTime of Turn on5/5White40us4/5Silver30us3/5Gray20us2/5DimGray10us1/5Black0us Modulate the SEG turn on time in one COM period to generate the grayscale.1 COM period1 COM periodn Advantage：Slight Flickern Disadvantage：Serious Crosstalk issueSEGnI A-P.T & Hi-FAS DrivingnB

26、ias voltage AdjustmentnMulti-selectable T.C. curvenFrame T.C.Driver New techn1.less power consumption- heavy load current is on V3, not V0- Using comparators to determine the booster output voltage leveln2.less external components- the booster and followers do not need extra external capacitorsn3. s

27、maller chip sizeBlackWhiteSnow GrayDisplay offIss381450546564200ST7628 Condition:7X, 1/8 bias, 11.7V, 1.8V/2.8V, panelST7626 Condition: 5X, 1/9 bias, 10.52V, 2.8V/2.8V, panelBlackWhiteSnow GrayDisplay offIss643 665 872872565 Bias voltage V0=V3V2=VssVchVcmVclVop(1/a)Vop(1/a)VopVopVcm could be adjuste

28、d by software and it makes every (1/a)Bias the same and reduce the phenomenon of crosstalk problem.l可調式可調式Bias電壓補償設計電壓補償設計可降低可降低crosstalkn16 segments and 16-line selectable slopes to fit the T.C. values of customers liquid crystal. nFrame rate is adjustable by different temperature. It can enhance the performance under different temperature and reduce the power consumption.COG Module Design NotenIC 之 Input pin (如