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IZD1521OA bảng dữ liệu(PDF) 9 Page - Integral Corp.

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Giải thích chi tiết về linh kiện  CMOS DOT MATRIX LCD DRIVER
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nhà sản xuất  INTEGRAL [Integral Corp.]
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IZD1521OA bảng dữ liệu(HTML) 9 Page - Integral Corp.

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CMOS DOT MATRIX LCD DRIVER
IZD1520
9
DISPLAY COMMANDS
(Based on the 80-port MPU; the RD and WR commands differ for the 68-port MPU)
Command
RD WR A0
D7 D6 D5 D4 D3 D2 D1 D0
Function
1
Display ON/OFF
1
0
0
1
0
1
0
1
1
1
0/1
Switches the entire display ON or OFF regardless of
the Display RAM’s data or the internal status.
*Note
2
Display START Line
1
0
0
1
1
0
Display START
address (0
÷ 31)
Determines the line of RAM data to be displayed at the
display’s top line (COM0)
3
Page Address Set
1
0
0
1
0
1
1
1
0
Page
Sets the page of the Display RAM in the page address
register
4
Column (Segment)
Address Set
1
0
0
0
Column address
(0
÷ 79)
Sets the column address of the Display RAM in the
column address register
5
Status Read
0
1
0
0
0
0
0
Reads the status.
BUSY 1: Busy (internal processing) 0: READY
status
ADC
1: Rightward (forward) output
0: Leftward (reverse) output
ON/OFF 1: Display OFF
0: Display ON
RESET 1: Resetting
0: Normal
6
Write Display Data
1
0
1
Write Data
Writes the data on the
data bus to RAM
These commands access a
previously specified
address
7
Read Display Data
0
1
1
Read Data
Reads data from the
Display RAM onto the
data bus
of the Display RAM,
after which the column
address is incremented
one
8
ADC Select
1
0
0
1
0
1
0
0
0
0
0/1
Used to reverse the correspondence between the
Display RAM’s column addresses and segment driver
output ports
0: Rightward (forward) output 1: Leftward (reverse)
9
Static Drive ON/OFF
1
0
0
1
0
1
0
0
1
0
0/1
Selects normal display operation or static all-fit drive
display operation
1: Static drive (Power Save) 0: Normal display
10
Duty Select
1
0
0
1
0
1
0
1
0
0
0/1
Selects the duty factor for driving LCD cells
1: 1/32 duty
0: 1/16 duty
11
Read Modify Write
1
0
0
1
1
1
0
0
0
0
0
Increments the column address counter by one only
when display data is written but not when it is read
12
End
1
0
0
1
1
1
0
1
1
1
0
Cancels the Ready Modify Write mode
13
Reset
1
0
0
1
1
1
0
0
0
1
0
Resets the Display START line to the 1-st line in the
register.
Resets the column address counter and page address
register to 0.
Note: Power Save mode is entered by selecting static drive in the Display OFF status.


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