S6A0072 데이터 시트보기 (PDF) - Samsung

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S6A0072

16COM/40SEG DOT MATRIX LCD CONTROLLER & DRIVER

Samsung 

16COM/40SEG DOT MATRIX LCD CONTROLLER & DRIVER

S6A0072

Table 3. Instruction Table

Instruction

Test mode

Clear display

Return home

Entry mode set

Display ON/OFF

control

Cursor or display

shift

Function set

Set CGRAM

address

Set DDRAM

address

Read

busy

flag

and

DDRAM

Instruction Code

Description

Execution

Time

RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0

(fosc =

270kHz)

0 0 0 0 0 0 0 0 0 0 Device test mode

-

(When 4-bit interface mode)

No operation

(When 8-bit interface mode)

0 0 0 0 0 0 0 0 0 1 Write "20H" to DDRAM and

set DDRAM address to

"00H" from AC.

631µs

000000001

* Set DDRAM address to

"00H" from AC and return

cursor to its original position

if shifted.

The contents of DDRAM are

not changed.

631µs

0 0 0 0 0 0 0 1 I/D S Assign cursor moving

direction and enable entire

display shift.

39µs

0 0 0 0 0 0 1 D C B All display (D), cursor (C),

and blinking of cursor

position character on/off

control bit (B).

39µs

0 0 0 0 0 1 S/C R/L *

* Cursor and display shift and

their direction control without

changing DDRAM data.

39µs

0 0 0 0 1 DL A * M1 M0 Set interface data length

(DL), DDRAM addressing

mode (A) and COM/SEG

output pattern (M0, M1).

39µs

0 0 0 1 * AC4 AC3 AC2 AC1 AC0 Set CGRAM address in

address counter.

39µs

0 0 1 AC6 AC5 AC4 AC3 AC2 AC1 AC0 Set DDRAM address in

address counter.

39µs

0 1 BF AC6 AC5 AC4 AC3 AC2 AC1 AC0 Whether in internal operation

0µs

or not can be known by

reading BF. The contents of

address counter can also be

Add- CGRAM

ress

* * AC4 AC3 AC2 AC1 AC0 read

Note: “*” don’t care.

11

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