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RA8816N-T Datasheet(PDF) 3 Page - RAIO Technology Inc. |
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RA8816N-T Datasheet(HTML) 3 Page - RAIO Technology Inc. |
3 / 8 page Preliminary Version 1.0 144x65 Character/Graphic LCD Driver RA8816N 3. Block Diagram RA8816N MPU LCD Panel 4 x 5 Key Scan GPIO Figure 3-1 : System Block The RA8816N is consisted of Display RAM, 256KB Font ROM, Command Registers, LCD Controller, LCD Driver, Voltage Booster, Voltage Regulator, MPU Interface and Key-Scan circuit. 1170+450bytes Display RAM + Buffer MPU I/F Block Register Block 256Kx8 Font ROM RC Oscillator 256bytes CGRAM Key Scan Control Block & INT GPIO Cursor Control 144 Segment Drivers 65 Common Drivers Voltage Booster Voltage Regulator Voltage Follower C[3:1]P C[2:1]M V0~V4 VOUT SEG0~SEG143 COM0~COM63 COMS_A COMS_B DB[7:0] RD(EN) WR(R/W) CS D/C(RS) C86 BIT4 P/S KST[3:0] KIN[4:0] INT IO[7:0] CLK_SEL EXT_CLK RST TEST[2:0] TP[6:0] Driver I/F Scroll Control Scan Control LCDC Control Block Test & Power Circuit VR VREF Figure 3-2 : Internal Block RAiO TECHNOLOGY INC. 3/8 www.raio.com.tw |
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