NJU6637 데이터 시트보기 (PDF) - Japan Radio Corporation

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NJU6637

16-CHARACTER 3-LINE DOT MATRIX LCD CONTROLLER DRIVER

Japan Radio Corporation  

s BLOCK DIAGRAM

OSC1

OSC2

RESET

CR

OSC

Power on

Reset

RS

SCL

CS

SI

SEL

VSS

VDD

V5

Preliminary

Instruction

Decoder(ID)

Address

Counter

Display Data RAM (DDRAM)

48 x 8bits

Character

Generator

RAM(CGRAM)

8 x 5bits

Character

Generator

ROM(CGROM)

10,200bits

Parallel to Serial Convertor

V1

V2

V3

V4

V5

NJU6637

Timing

Gen.

COM1 to

COM24

SEG1 to

SEG80

80bit

Shift Reg.

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