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PT6520 Datasheet(PDF) 8 Page - Princeton Technology Corp

Part # PT6520
Description  LCD Driver IC
PDF  27 Pages
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Manufacturer  PTC [Princeton Technology Corp]
Direct Link  http://www.princeton.com.tw
Logo PTC - Princeton Technology Corp

PT6520 Datasheet(HTML) 8 Page - Princeton Technology Corp

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Tel: 886-2-66296288
Fax: 886-2-29174598
URL: http://www.princeton.com.tw
PT6520 V1.6
- 8 -
February, 2006
LCD Driver IC
PT6520
FUNCTION DESCRIPTION
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. *
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
(0-3)
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
00
0
0
Read 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
7
Read Display
Data
0
1
1
Read Data
Reads data
from the
Display
RAM onto
the data
bus.
These commands
access a
previously-specified
address of the Display
RAM, after which the
column address is
incremented by 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 address and
segment driver output ports
0: Rightward (forward)output
1: Leftward (reverse) output
9
Static Drive
ON/OFF
1
0
0
1
0
1
0
0
1
0 0/1
Selects normal display operation or
static all-lit drive display operation.
1: Static drive (power save)*
0: Normal display operation



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