NT7502H-BDT 查看數據表（PDF） - Novatek Microelectronics

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NT7502H-BDT

65 X 132 RAM-Map LCD Controller / Driver

Novatek Microelectronics 

NT7502

Command

Code

A0 RD WR D7 D6 D5 D4 D3 D2 D1 D0

Function

(1) Display ON/OFF

0

1

0

1

0

1

0

1

1

1

D

Turns on LCD panel when goes

high, and turns off when goes low

(2) Set Display Start Line 0 1 0 0 1

Display start address

Specifies RAM display line for

COM0

(3) Set Page Address

0101011

Page address

Sets the display RAM page in Page

Address register

(4-1) Set Column Address

0100001

4 higher bits

Higher column Sets 4 higher bits of column

address

address of display RAM in register

(4-2) Set column Address

4 lower bits

0100000

Lower column

address

Sets 4 lower bits of column address

of display RAM in register

(5) Read Status

0 0 1 Status

0 0 0 0 Reads the status information

(6) Write Display Data

1 1 0 Write data

Writes data in display RAM

(7) Read Display Data

1 0 1 Read data

Reads data from display RAM

(8) ADC select

0 1 0 1 0 1 0 0 0 0 D Sets the display RAM address

SEG output correspondence

(9) Normal/Reverse

Display

0

1

0

1

0

1

0

0

1

1

D

Normal indication when low, but full

indication when high

(10) Entire Display

ON/OFF

0

1

0

1

0

1

0

0

1

0

0 Selects normal display (0) or Entire

1 Display ON (1)

(11) Set LCD Bias

0 1 0 1 0 1 0 0 0 1 D Sets LCD drive voltage bias ratio

(12) Read-Modify-Write

0

1

0

1

1

1

0

0

0

0

0

Increments Column Address

counter during each write

(13) End

0 1 0 1 1 1 0 1 1 1 0 Releases the Read-Modify-Write

(14) Reset

0 1 0 1 1 1 0 0 0 1 0 Resets internal functions

(15) Common output

mode select

0

1

0

1

1

0

0D

*

*

*

Selects COM output scan direction.

* Invalid data

(16) Set Power Control

01000101

Operation Selects the power circuit operation

status

mode

(17) V0 voltage regulator

internal resistor ratio set

0

1

0

0

0

1

0

0

Resistor ratio

Select internal resistor ratio

(Rb / Ra) mode

(18) Electronic volume

mode set

Electronic Volume

Register set

01010000001

Sets the V0 output voltage

electronic volume register

010* *

Electronic control value

(19) Set static indicator

On/Off

010101011

Set Static indicator 0 1 0 * * * * * *

register

(20) Power Save

---------

(21) NOP

(22) Test Command

(23) Test Mode Reset

010111000

0101111* *

010111100

Note: Do not use any other command, or system malfunction may result.

0

D

Sets static indicator On/Off

0: OFF 1: ON

Mode Sets the flashing mode

-

-

Compound command of display

OFF and entire display ON

1 1 Command for non-operation

* * IC Test command. Do not use!

0 0 Command of test mode reset

31

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