Epson SED 1520 Series Manual do Utilizador descarregar pdf (Página 8)

8

S-MOS SYSTEMS, INC.

1.0 Overview 1.3

1.3 Block Diagram

LINE ADDRESS DECODER

DISPLAY DATA RAM

2560 BITS

I/O BUFFER

INTERNAL BUS

LOW ADDRESS

REGISTER

BUS

HOLDER

LINE COUNTER

DISPLAY

TIMING

GENERATOR

DISPLAY START LINE REGISTER

FR

COMMAND

DECODER

COLUMN ADDRESS REGISTER

STATUS

MPU INTERFACE

COLUMN ADDRESS COUNTER

COLUMN ADDRESS DECODER

DISPLAY DATA LATCH CIRCUIT

LCD DRIVER CIRCUIT

COMMON

COUNTER

CL

(OSC2)

D0 ~ D7

E , R/W

(OSC1)

RES

(RD)(WR)

V

DD

V

SS

V1, V4, M/S

(SG77 ~ SG79)

(SG61 ~ SG76)

SG0 ~ SG60

CM0 ~ CM15

V2, V3, V5

A0, CS

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 55 56

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