NJU6635CH 데이터 시트보기 (PDF) - Japan Radio Corporation

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NJU6635CH

16-CHARACTER 2-LINE DOT MATRIX LCD CONTROLLER DRIVER

Japan Radio Corporation  

b) Initialization by Instruction in 4-bit interface

Power On

Wait more than 15ms

after VDD rises to 4.5V

Function set

RS R/W DB7 DB6 DB5 DB4

0 0 0011

Wait more than 4.1ms

Function set

RS R/W DB7 DB6 DB5 DB4

0 0 0011

Wait more than 100µs

Function set

RS R/W DB7 DB6 DB5 DB4

0 0 0011

Function set

Function set

Display Off

Display Clear

Entry Mode Set

RS R/W DB7 DB6 DB5 DB4

0 0 0010

RS R/W DB7 DB6 DB5 DB4

0 0 0010

0 0 0∗10

RS R/W DB7 DB6 DB5 DB4

0 0 0000

0 0 1000

RS R/W DB7 DB6 DB5 DB4

0 0 0000

0 0 0001

RS R/W DB7 DB6 DB5 DB4

0 0 000 0

0 0 011 0

Write data to the CG or DD RAM

and set the instruction.

NJU6635

Initialized.

No display appears.

Function set

(8-bit interface length)

Function set

(8-bit interface length)

Function Set

(8-bit inter face length)

Busy Flag(BF) can be not be checked

before this step, but it can be checked

after this step.

After this step, busy flag (BF) check or

longer waiting time than each

instruction execution time is required.

Set the 4bit operation / Addressing mode 1

Example for set address increment and

cursor right shift when the data write to

the DD or CG RAM.

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