ra8816 RAIO Technology Inc., ra8816 Datasheet
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... Character/Graphic RAiO Technology Inc. @Copyright RAiO Technology Inc. 2006, 2007 RAiO TECHNOLOGY INC. RAiO RA8816 LCD Driver Specification Version 1.6 December 20, 2007 1/68 www.raio.com.tw ...
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... Update Table 4-1: the name of Serial Clock 3. Update Table 5-9: the Key Scan Data 4. Update Table 6-3: Select V REF 5. Update Table 6-4: Keyboard Code of Auto-Mode 6. Update Figure 6-33, 6-34 and 6-35 ASCII Table 7. Update the Section 9-3-1, the parameter of Write Data Setup Time 8. Update Table 9-5、9-6、9-7A: The unit of Access Time. 2/68 RA8816 www.raio.com.tw ...
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... I/O Port ....................................................................................................................................................... 40 6-8 EL Signals .................................................................................................................................................. 41 6-9 ASCII Block................................................................................................................................................ 42 6-10 Power Control ......................................................................................................................................... 43 7. Display Functions .............................................................................. 44 7-1 Text Mode .................................................................................................................................................. 44 7-2 Graphic Mode ............................................................................................................................................ 45 7-3 Cursor Setting ........................................................................................................................................... 46 7-3-1 Cursor Position and Shift................................................................................................................. 46 7-3-2 Cursor Display and Blink ................................................................................................................. 46 7-3-3 Cursor Height .................................................................................................................................. 46 7-4 Display Window......................................................................................................................................... 47 7-5 Horizontal Scroll........................................................................................................................................ 48 RAiO TECHNOLOGY INC. 144x65 Character/Graphic LCD Driver Contents 3/68 RA8816 Page www.raio.com.tw ...
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... Pad X/Y Coordinate................................................................................................................................... 53 9. Electrical Characteristic ..................................................................... 58 9-1 Absolute Maximum Ratings..................................................................................................................... 58 9-2 DC Characteristic ...................................................................................................................................... 58 9-3 Timing Characteristic ............................................................................................................................... 59 9-3-1 Parallel Interface.............................................................................................................................. 59 9-3-2 Serial Interface ................................................................................................................................ 60 9-3-3 Reset Interface ................................................................................................................................ 63 Appendix A. ........................................................................................... 64 A-1 COG Application....................................................................................................................................... 64 A-1-1 Basic Connection of Serial I/F......................................................................................................... 64 A-1-2 Basic Connection of Parallel I/F...................................................................................................... 65 A-1-3 Other Application for FPC ............................................................................................................... 65 A-2 ITO.............................................................................................................................................................. 67 RAiO TECHNOLOGY INC. 144x65 Character/Graphic LCD Driver 4/68 RA8816 www.raio.com.tw ...
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... Contrast adjustment, 4x5 Key-Scan, eight General Purpose I/O and EL Backlight signals for EL driver. The RA8816 is a high integration chip of LCD Controller. It reduce a lot of time for system develop, and save much cost for hardware system that due to it provides many features for related LCD display application. ...
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... Preliminary Version 1.6 The RA8816 is consisted of Display RAM, 256Kbyte Font ROM, Command Registers, LCD Controller, LCD Driver, Voltage Booster, Voltage Regulator, MPU Interface and Key-Scan circuit. DB[7..0] RD(EN) WR(R/W) MPU CS I/F Block D/C(RS) C86 BIT4 P/S KST[3..0] Key Scan Control KIN[4..0] Block INT & INT IO[7..0] GPIO EL_CHRG EL_DCHG ...
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... When the MPU use parallel mode and 8-bit then all of the DB[7..0] are valid. When use 4-bit then only DB[3..0] are valid, and DB[7..4] have to keep floating. When “0”, then the interface between MPU and RA8816 is Serial Mode. The pins DB[7..6](SMOD[1..0]) are used to select which serial mode: ...
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... Preliminary Version 1.6 means Register Cycle and “1” means Data Access Cycle. This pin must keep NC for serial mode. Chip Select I This is a chip enable for RA8816. CS This pin must keep NC for serial mode. Interrupt Signal O INT This is an interrupt output for MPU. Active low 。 ...
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... EL Charge Signal EL_DCHG O EL Discharge Signal I RST Reset Test Pins TEST[2..0] I These pins must contact to GND in normal mode. Test Pins S[1..0 These pins must keep NC for normal mode. RAiO TECHNOLOGY INC. 144x65 Character/Graphic LCD Driver Table 4-2 Description Table 4-4 Description 9/68 RA8816 www.raio.com.tw ...
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... DB1 DB1 SCK DB0 DB0 DB0 IICA4 IICA5 10/68 RA8816 144x65 Character/Graphic LCD Driver Serial Mode 4-Wire 4-Wire 3-Wire IIC (A-Typ) (B-Typ SDI SDA SDA ...
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... INV BLT3 BLT2 OE5 OE4 OE3 OE2 IOD5 IOD4 IOD3 IOD2 -- -- -- ELT3 ELT2 -- -- -- -- UMI2 11/68 RA8816 144x65 Character/Graphic LCD Driver Description Wave Form Select NW1 NW0 Power Control SLP System Setting -- RS1 RS0 Memory Mode INV MD1 MD0 CUR_E Cursor Control CR ...
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... “1”, It means MPU execute the Memory Cycle for RA8816. When RW is “0”, MPU will write data to Display RAM or ICON RAM that according the setting of MD[1..0](REG[03h] bit1-0). For example, MPU write Big5/CG code to memory in Text Mode, or write bitmap data to display memory in Graphic mode. ...
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... System Register (SYSR) RW DB7 DB6 0 LS3 LS2 LS[3..0]: Setup the segment number. The maximum segment of RA8816 is 144. GB_EN: Setup the GB code or BIG5 code. 1 RS[1..0]: Setup the common number. The maximum common of RA8816 is 64(Not including Icon). Duty Status RS1 RS0 Normal 1/ Reverse ...
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... MD[1..0]: Select operation mode for Display RAM. When Full-Size mode(MD[1..0] = 11), if the first byte data is less than 80h, RA8816 will assume it’s an ASCII code and show the Big ASCII font. But if want to show the Big ASCII font that code is large than 80h, then the operation mode has to change to Big ASCII mode(MD[1 ...
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... Cursor Position Register of X (X-CUR) RW DB7 DB6 X[5..0]: Setup the cursor position on segment. The unit is 8-pixels. Because maximum segment of RA8816 is 144-pixels, therefore the range of X[5..0] is 0~11h. When the X[5..0] is 20h or 21h, then the cursor position is assign to horizontal Scroll-Buffer. [06h] Cursor Position Register of Y (Y-CUR) RW DB7 DB6 ...
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... DB[1..0] are defined as KF[1..0]. 1 Auto-Mode. The RA8816 will auto detect the key and store the code Non-Auto-Mode. The RA8816 will not store the code to Hardware Interrupt disable while key was pressed. 1 Table 5-8 Key-scan Cycle Time Pulse Width 0 256us ...
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... SIRQ: Indicate the interrupt of Key-scan. This bit was clear when REG[0Fh] bit 1 write “0”. AKD[6..0]: Scan Data(Code). In Auto–Mode, the MPU read data from this register to know the status of key matrix. The RA8816 supports 4x5 key matrix -- total 20Keys. The BCD number of 0~19h are mapping to these keys. ...
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... Units 133 Units 135 Units 145 Units 147 Units 149 Units 151 Units 18/68 RA8816 144x65 Character/Graphic LCD Driver DB1 DB0 DB1 DB0 STP1 STP0 1 Unit 3 Units 5 Units 7 Units 17 Units 19 Units 21 Units 23 Units www.raio.com.tw ...
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... SCR_DIR0 Direction of Scroll 0 0 Left to Right(Horizontal Right to Left(Horizontal Down(Vertical Down to Up(Vertical) Scroll interrupt disable. 1 Stop the Auto-Scroll. If want to close the Auto-Scroll mode or display 19/68 RA8816 144x65 Character/Graphic LCD Driver Shift Pixel ...
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... Table 5-14 CT4 CT3 CT2 CT1 CT0 Contrast Light 20/68 RA8816 144x65 Character/Graphic LCD Driver DB2 DB1 DB0 SCR_I scroll Interrupt. DB2 DB1 DB0 CT2 CT1 CT0 Bias 1/5 1/6 1/7 1/8 1/9 1/9 1/9 1/9 Dark www.raio.com.tw No busy ...
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... X5 X6.4 Note: The VREF is 2.1V. 21/68 RA8816 144x65 Character/Graphic LCD Driver DB2 DB1 DB0 -- CDIR SDIR Disable the Use external power for V0, and the Icon sequence follow the setting of Pins COM0~63 DB2 DB1 DB0 IRS HD1 HD0 ...
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... RA8816 Use the internal resistors not DB1 DB0 BLT1 BLT0 Partial screen Blinking. The 104 112 120 128 www.raio.com.tw ...
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... RA8816 DB1 DB0 OE1 OE0 DB1 DB0 IOD1 IOD0 DB1 DB0 ELT1 ELT0 18 www.raio.com.tw ...
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... Preliminary Version 1.6 [17h] CGRAM Register (CGMI) RW DB7 DB6 UMI[2..0]: Select the create font number. The RA8816 allow user create eight 16x16 full size font. The mapping font code is FFF0h~FFF7h. [18h] CGRAM Data Register (CGMD) RW DB7 DB6 0 CGMD7 CGMD6 CGMD[7..0]: This register is used to transfer or read the data of 16x16 full size font. The MPU write continuous 32-bytes data of bit-map of 16x16 full size font into this register that after program the REG[17h] ...
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... MPU Interface 6-1-1 Parallel Interface The MPU interface of RA8816 supports both 8080 and 6800 series with in 4-Bit or 8-bit bus width. If the “C86” connects to GND, then the MPU is defined as 8080 type interface. If pin “C86” connects to VDD, then it’s defined as 6800 type interface. Refer to the Figure 6-1 and 6-2. ...
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... B-Type). This feature is control by the pin “P/ S ” and DB[7..6]. Refer to Table 4-1. In serial mode the DB[7..6] are used as SMOD[1..0] to select the different serial mode. Please also refer to Table 6-1. The Figure 6-3 to 6-5 are the interface diagram of MPU and RA8816 which in serial mode. ...
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... SDA(DB1) IO2 CS(DB3) Figure 6-4: 3-Wires MPU interface MPU RA8816 VDD SMOD1(DB7) SMOD0(DB6) IO0 SCK(DB0) SDA(DB1) IO1 IO2 RS(DB2) CS(DB3) IO3 MPU RA8816 VDD VDD SMOD1(DB7) 2.2KΩ SMOD0(DB6) IO0 SCK(DB0) IO1 SDO(DB1) IO2 SDI(DB2) IO3 CS(DB3) 27/68 RA8816 144x65 Character/Graphic LCD Driver P/S P/S P/S www.raio.com.tw ...
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... Another is read data from memory or write data to memory. As description of Chapter 5-2, MPU must tell the RA8816 that which register will be access. Therefore the first data that write to RA8816 is to select the register number. And the second data is the exact data that writing into or reading from this register. ...
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... Register Repeat Start Or Slave ‘1’(Read) Number Stop + Start Address Figure 6-11b：Register Read on IIC I/F RS( ………………….. R0 Register No. 29/68 RA8816 144x65 Character/Graphic LCD Driver Ack D7D6….. --- 8 9 Second Register Stop Condition DATA Ack D7D6… ...
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... D7 D6 ……….……………. D0 Register No. R/W DATA. RS( ………………….. R0 WD7 WD6 ……………. WD0 Don’t Care RD7 RD6 ……………... RD0 Register No. 30/68 RA8816 R/W DATA. www.raio.com.tw ...
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... Because all of the memory read/write cycles are transfer the display data can abbreviate the name of Memory Access Cycle to Data Cycle. The Figure 6-15 and 6-16 show the memory access timing of 8080 MPU(8-Bit) with RA8816. Figure 6-17 and 6-18 show the memory access timing of 6800MPU(8-Bit) interface. Figure 6-19 to 6-22 show the memory access timing of serial interface ...
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... Address 圖 6-19b：Memory Read Access on IIC RW RS(1) MD7 MD6 …………….. MD0 Mem. R/W DATA. 1 Don’t Care RW MD7 MD6 ……….……. MD0 Mem. R/W Data 32/68 RA8816 144x65 Character/Graphic LCD Driver Ack Ack 1 --- Memory 3 ...
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... The Character Generator RAM(CGRAM) is used for user to create special fonts. There are eight space of full size font to reserved for user. Their codes are fixed from FFF0h to FFF7h. The MPU could write the mapping code to RA8816 and show the bit map font on screen that after the user font(writing 32 byte to CGRAM) was created. ...
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... BOFF Figure 6-23: LCD Driver and Power Supply Circuit Block The driver circuit of RA8816 is a low power design. The power supply circuit is consist of Booster, Voltage Regulator and Voltage Follower. For different requirement of power, the Driver Control Register(REG[11h]) is used to enable or disaable for related circuit. ...
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... C2M also connect n 1uF capacitor then the VLCD is 3*VDD. If the pin C3P and C1M connect n 1uF capacitor then the VLCD is 4*VDD. Refer to the following description of Figure 6-24. Because the RA8816 supports maximumn LCD panel is 144x65. Therefore sometimes you can get the good display quality that base on lower power such as 5V only. In that case, user only need to connect 5V to VDD, VLCD, C1P and C2P ...
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... VSS Figure 6-25: Internal VLCD(3*VDD) Note: The capacitor value 1uF and C2 is 1uF. RAiO TECHNOLOGY INC. 144x65 Character/Graphic LCD Driver External Power Supply VSS Figure 6-26: External VLCD 36/68 RA8816 VLCD C2M C2P C1M C1P VREF www.raio.com.tw ...
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... Preliminary Version 1.6 6-4-2 Voltage Regulator The Voltage Regulator is consists of Band-Gap and OP-Amp. The purpose is used to generated a stable power - V for Voltage Follower. The RA8816 also built-in a 32-level adjust circuit and a fixed 0 voltage – generate a reference voltage V IREF generated V . The basic formula is as following: ...
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... When Voltage Regulator Circuit off( IREF The Voltage Regulator also provide -0.05% auto adjust for VLCD > V0 > V1 > V2 > V3 > V4 > GND Figure 6-28B Use External Voltage Follower 38/68 RA8816 144x65 Character/Graphic LCD Driver Unit V REF %/ ℃ (1-(63-α)/162)*V IREF - Pin ...
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... Shifter for combination. The combined data will follow the Timing Generator to control the switchs then pass the V0~V4 to Common and Segment. The LCD Bias of RA8816 is adjustable by register CSTR that from 1/5 to 1/9. The user can also adjust the display quality from this register. Meanwhile, the driving current is also adjustable by register DRCR_B that in order to meet different panel ...
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... KSDR to a long-press code. Therefore MPU knows which key was pressed ove one second. 6-7 I/O Port The RA8816 provide eight general purpose I/O pins. Each I/O pin is easy to setup as input or output. They can use to drive LED, wakeup the RA8816 or provide information for whole system. RAiO TECHNOLOGY INC. ...
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... Preliminary Version 1.6 6-8 EL Signals The RA8816 provides two special signals for EL driver circuit. The signals active time can also setup by register ELCR. The waveform and application are show as Figure 6-31 and 6-32. EL_DCHG EL_CHRG ≒24 us EL_CHRG EL_DCHG RAiO TECHNOLOGY INC. ≒ 700 us ≒ 700 us ≒ ...
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... Preliminary Version 1.6 6-9 ASCII Block The RA8816 built-in three ASCII block which contines ASCII and special symbol for user to show on display directly in text mode. Actually these three ASCII block are store in 256Kbyte Font ROM(see Chapter 6-2). As the Figures 6-33~6-35, the left of each table is the High Nibble, and the right is the Low Nibble ...
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... Key-scan to wake up 3. I/O wake up In wake up phase, the RA8816 will wake up the RC oscillator first, and it will take around 250ms. Then the RA8816 is enable to accept the command from MPU and LCD driver wake up for activity. The VDD power operation range of RA8816 is 2.5~3.6V. But on the COG module, some power consumption will lose on the connection of FPC and chip that due to the ITO layout issue ...
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... MPU has to send the code twice – High byte and Low byte. For English or Numeric, only one byte is need. The maximum supports panel size of RA8816 is 144x65dots text mode it could show 9x4 Chinese fonts and 18x8 English fonts. ...
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... Preliminary Version 1.6 7-2 Graphic Mode In the graphics mode, the RA8816 is fill the bit map data into display memory directly the [MD1, MD0] of register is set to ”00” (Graphics Mode), then write the data into memory, the data will show on the screen that cursor pointed. ...
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... Figure 7-4: An Example for Cursor Setting 7-3-2 Cursor Display and Blink The RA8816 provides cursor On/Off and blinking features. These functions are control by register CURCR. The cycle time of blinking is depend on the setting of register BLTR. The range is from 8 to 128 frames. 7-3-3 Cursor Height The cursor height is also setting by register CURCR ...
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... Icon. Therefore the total 144 Icon for usage. Before access the Com-S, the register Y-CUR has set to 50h, then program the X-CUR to select Icon. The RA8816 provides two positions for the panel layout of COM-S. It’s convenient for user to deisgn the position of Icon for their application. Refer to the Figure 7-6. ...
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... Refer to the following example as Figure 7-7. The scroll unit is set to 2 pixels. The RA8816 allows horizontal scroll for right or left way. The user could use the scrolling buffer to show the Shift funtion. For example, store the data or text on the Horizontal Scroll Buffer first, then fill the new data/text into the buffer that after the screen shift 16pixels ...
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... Preliminary Version 1.6 RAiO TECHNOLOGY INC. 144x65 Character/Graphic LCD Driver Figure 7-8: Horizontal Shift 49/68 RA8816 www.raio.com.tw ...
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... The RA8816 allows vertical scroll for up or down way. The user could use the scrolling buffer to show the Shift funtion. For example, store the data or text on the Vertical Scroll Buffer first, then fill the new data/text into the buffer that after the screen shift 16pixels ...
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... DUMY3 141 COM15 COM14 140 139 COM13 138 COM12 COM11 137 136 COM10 135 COM9 COM8 134 133 COM7 132 COM6 COM5 131 130 COM4 129 COM3 Logo COM2 128 127 COM1 126 COM0 COMS_B 125 124 DUMY2 RAIO RA8816 P2 ...
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... Preliminary Version 1 RAiO TECHNOLOGY INC. 144x65 Character/Graphic LCD Driver Symbol Figure 8-3：Fixed Point Dimension 52/68 RA8816 Unit: um Size/Coordinate (-4657.46, -966.03) P2 (4590.82, -966.03) www.raio.com.tw ...
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... RA8816 144x65 Character/Graphic LCD Driver X C2N -3458.61 -917.78 C2P -3378.61 -917.78 C2P -3298.61 -917.78 C1N -3218.61 -917.78 C1N -3138.61 -917.78 C1P -3058.61 -917.78 C1P -2978.61 -917.78 V0 -2898.61 -917.78 V0 -2818 ...
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... RA8816 144x65 Character/Graphic LCD Driver X KST1 2295.3 -917.78 KS0 2383.81 -917.78 KIN4 2472.39 -917.78 KIN3 2560.91 -917.78 KIN2 2649.42 -917.78 KIN1 2737.93 -917 ...
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... RA8816 144x65 Character/Graphic LCD Driver X SEG7 3195.64 917.78 SEG8 3145.64 917.78 SEG9 3095.64 917.78 SEG10 3045.64 917.78 SEG11 2995.64 917.78 SEG12 2945.64 917 ...
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... RA8816 144x65 Character/Graphic LCD Driver X SEG75 -204.36 917.78 SEG76 -254.36 917.78 SEG77 -304.36 917.78 SEG78 -354.36 917.78 SEG79 -404.36 917.78 SEG80 -454.36 917 ...
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... RA8816 144x65 Character/Graphic LCD Driver X SEG143 -3604.36 917.78 COMS_A -3694.36 917.78 COM63 -3744.36 917.78 COM62 -3794.36 917.78 COM61 -3844.36 917.78 COM60 -3894.36 917 ...
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... Gnd -- 0 DISPLAY I -- 0.2 SLEEP 58/68 RA8816 144x65 Character/Graphic LCD Driver Rating Unit -0.3 to 6.5 -0 +0 -55 to 125 Unit Condition COG Module 3 μ ...
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... Figure 9-1：6800 MPU Timing Table 9-3 Signal Symbol Condition t RS, CS CSW6 t WEN6 RWH6 t AC6 EN Command Cycle t CYC6 Data Cycle t DS6 t DH6 DB[7..0] t OS6 t OH6 59/68 RA8816 144x65 Character/Graphic LCD Driver RWH6 t DH6 t OH6 Rating Min. Max 200 -- 400 -- www ...
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... CYC8 Data Cycle t DS8 t DH8 DB[7..0] t OS8 t OH8 t CYC3 t CSH3 RW RS( ………………….. R0 t DH3 Register No. t CKH3 Figure 9-3：3-Wire Timing 60/68 RA8816 144x65 Character/Graphic LCD Driver t CSH8 t DH8 t OH8 Rating Min. Max 200 -- 400 -- ...
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... DH4 Register No. t CKH4 Figure 9-4：4-Wire(A-Type) Timing Table 9-6 Signal Symbol Condition t CYC4A CS t CSH4 t CKL4 SCK t CKH4 t DS4 SDA DH4 61/68 RA8816 144x65 Character/Graphic LCD Driver Rating Unit Min. Max. 3 100 -- 100 -- R/W DATA. Rating Unit Min. Max. 3 ...
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... SDI t DH4 t OS4B SDO t OH4B t t HIGH DHIIC t t Low DSIIC Figure 9-5B：IIC Timing 62/68 RA8816 144x65 Character/Graphic LCD Driver WD7 WD6 ……………. WD0 RD7 RD6 …………..... RD0 t OS4B OH4B R/W DATA. Rating Min. Max. 3 100 -- ...
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... DHIIC t RST During Reset t RSTH Figure 9-6: Reset Timing Table 9-8 Signal Symbol Condition t RST RST F = 100KHz CL t (Internal RC RST RSTH Oscillator) 63/68 RA8816 144x65 Character/Graphic LCD Driver Rating Unit Max 500 KHz -- Reset Complete Rating Unit Min. Max 150 ...
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... IIC, and some useful I/O interface like I/O and Key-scan. Therefore there are many options for user to connect the COG die to FPC. The Figure A simple of COG module. And the Figure A example for RA8816 COG die that connect to FPC for basic 3-wire interface. Please note the unused parallel signals of MPU have to connect to VDD. ...
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... P1 Figure A-3：Example(A) of Basic Connection of Parallel I/F Figure A example for RA8816 COG die that connect to FPC for basic parallel interface. A-1-3 Other Application for FPC The Figure A-4 is another example that uses 3-wires MPU I/F, 3-times VDD, internal RC Oscillator, EL driving, 2 I/O signals and 2x2 Key-scan. In this case, the FPC only uses 27pins. Some configure pin are connect to VDD or GND through ITO resistance, such as C86, BIT4 CLK_SEL and EXT_CLK ...
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... COM0 : : : : : COM31 Figure A-5: The Connection of RA8816 with LCD Panel(144x65) RAiO TECHNOLOGY INC Figure A-4：Example of COG Module 144 X 65(With Icon) ……………………………………………………………… ...
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... COM15 Figure A-6: The Connection of RA8816 with LCD Panel(144x32) The Figure A example of connection that use 144x32 panel. In this case, it supports two row for full size(16x16) or four rows for half-size(8x8) fonts. Please refer to Table5-3 for the Common signals connection A-2 ITO ...
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... ITO Layout FPC Pad The Figure A layout example of RA8816 to FPC on COG module. The VDD and GND of RA8816 should as close as possible to FPC. The RA8816 provide six GND pad, user have to connect these six pads to FPC with a thick wire. For the design of FPC, the related power signals(VDD, GND, VLCD) of layout need to keep as thick as possible to reduce the wire resistance ...