參數(shù)資料
型號(hào)： NT7502
廠商： Electronic Theatre Controls, Inc.
英文描述： 65 X 132 RAM-Map LCD Controller / Driver
中文描述： 65 × 132 RAM的地圖LCD控制器/驅(qū)動(dòng)器
文件頁(yè)數(shù)： 31/54頁(yè)
文件大?。?/td> 687K
代理商： NT7502
NT7502
Code
D5
Function
Command
A0
RD
WR
D7
D6
D4
D3
D2
D1
D0
(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
Specifies RAM display line for
COM0
Sets the display RAM page in Page
Address register
Sets 4 higher bits of column
address of display RAM in register
Sets 4 lower bits of column address
of display RAM in register
Reads the status information
Writes data in display RAM
Reads data from display RAM
Sets the display RAM address
SEG output correspondence
Normal indication when low, but full
indication when high
Selects normal display (0) or Entire
Display ON (1)
Sets LCD drive voltage bias ratio
Increments Column Address
counter during each write
Releases the Read-Modify-Write
Resets internal functions
Selects COM output scan direction.
* Invalid data
Selects the power circuit operation
mode
Select internal resistor ratio
(Rb / Ra) mode
Sets the V0 output voltage
electronic volume register
(2) Set Display Start Line
0
1
0
0
1
Display start address
(3) Set Page Address
0
1
0
1
0
1
1
Page address
(4-1) Set Column Address
4 higher bits
(4-2) Set column Address
4 lower bits
(5) Read Status
(6) Write Display Data
(7) Read Display Data
0
1
0
0
0
0
1
Higher column
address
Lower column
address
0
0
1
0
0
0
0
0
0
1
1
0
1
0
1
0
1
Status
Write data
Read data
0
0
0
(8) ADC select
0
1
0
1
0
1
0
0
0
0
D
(9) Normal/Reverse
Display
(10) Entire Display
ON/OFF
(11) Set LCD Bias
0
1
0
1
0
1
0
0
1
1
D
0
1
0
1
0
1
0
0
1
0
0
1
D
0
1
0
1
0
1
0
0
0
1
(12) Read-Modify-Write
0
1
0
1
1
1
0
0
0
0
0
(13) End
(14) Reset
(15) Common output
mode select
0
0
1
1
0
0
1
1
1
1
1
1
0
0
1
0
1
0
1
1
0
0
0
1
0
1
1
0
0
D
*
*
*
(16) Set Power Control
0
1
0
0
0
1
0
1
Operation
status
(17) V0 voltage regulator
internal resistor ratio set
0
1
0
0
0
1
0
0
Resistor ratio
0
1
0
1
0
0
0
0
0
0
1
(18) Electronic volume
mode set
Electronic Volume
Register set
0
1
0
*
*
Electronic control value
0
1
0
1
0
1
0
1
1
0
D
Sets static indicator On/Off
0: OFF 1: ON
(19) Set static indicator
On/Off
Set Static indicator
register
0
1
0
*
*
*
*
*
*
Mode
Sets the flashing mode
(20) Power Save
-
-
-
-
-
-
-
-
-
-
-
Compound command of display
OFF and entire display ON
Command for non-operation
IC Test command. Do not use!
Command of test mode reset
(21) NOP
(22) Test Command
(23) Test Mode Reset
0
0
0
1
1
1
0
0
0
1
1
1
1
1
1
1
1
1
0
1
1
0
*
0
0
*
0
1
*
0
1
*
0
Note: Do not use any other command, or system malfunction may result.
31
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