Epson SED 1520 Series BLOCK DIAGRAM, EPSON, SED1520 Series, An example of SED1520*AA:

SED1520 Series

BLOCK DIAGRAM

An example of SED1520*AA:

V1,V2,V3,V4,V5 COM0 to COM15 SEG0 to SEG60 VDD VSS

						LCD drive circuit
	Common counter					Display data latch circuit
		Display start line register		Line counter	Line address decoder	Display data RAM
						(2560-bit)
						Column address decoder
CL
			Display
			timing			Column address counter
FR			generator
			circuit
						Column address register

CommandStatus decoder

MPU interface

D0~D7 A0,CS RD,WR (E,R/W) M/S RES

I/O buffer

Low-address	register
Bus	holder

2–2 EPSON