NJU3430

NJU3430

(3)Instruction

(3)Instruction

Each instruction is shown in the Table 3. The data should be written to the RAM continuously after the RAM

Each instruction is shown in the Table 3. The data should be written to the RAM continuously after the RAM

address set. The order of data writing is MSB first.

address set. The order of data writing is MSB first.

Table 3. Table of Instruction

Table 3. Table of Instruction

INSTRUCTION

MSB

Serial Data

LSB

D E S C R I P T I O N

RS

B7

B6

B5

B4

B3

B2

B1

B0

Maker Test

0

0

0

0

0

0

0

0

0

Output Port

Set

0

0

0

0

0

0

0

1

P1 Output Port Control

Display On/Off

0

0

0

0

0

0

1

M

D

Set the Display On/Off (Character and Icon)

Display

Duty Set

0

0

0

0

0

1

D2

D1

D0 Set the Contrast Control

Display Shift

0

0

0

0

1

0

LR

M

D

Set the Display Shift (Character and Icon)

Display

Blink

Set

0

0

0

1

B2

B1

B0

M

D

Set the Blink Interval (Character and Icon)

Display

Digits

Set

0

0

1

0

0

0

C2

C1

C0 Set the Display Digits (9 to 16 degits)

RAM

Address

Set

0

1

0

0

0

AD3

AD2

AD1 AD0

Set the RAM Address

(AD0 to AD3 : DD RAM)

(AM0 to AM3 : MK RAM)

(AC0 to AC5 : CG RAM)

0

0

1

AM3

AM2

AM1

AM0

1

AC5

AC4

AC3

AC2

AC1 AC0

Write Data

to

RAM

1

SD7

SD6

SD5

SD4

SD3

SD2

SD1 SD0

After the RAM Address Set, the data should

be written to RAM

(SD0 to SD7 : DD RAM)

(SM0 to SM1 : MK RAM)

(SC0 to SC4 : CG RAM)

0

0

0

0

0

0

SM1

SM0

0

0

0

SC4

SC3

SC2

SC1 SC0

*Instruction is executed within 32uS from the rise edge of the Chip Select CS Signal. (at f

OSC

=250kHz)

=250kHz)