PT6520 PTC [Princeton Technology Corp], PT6520 Datasheet - Page 8

• Manufacturer Part Number: PT6520
• Description: LCD Driver IC
• Manufacturer: PTC [Princeton Technology Corp]

LCD Driver IC
FUNCTION DESCRIPTION
DISPLAY COMMANDS
(Based on the 80 port MPU; the RD and WR commands differ for the 68 port MPU)
PT6520 V1.6
1
2
3
4
5
7
8
9
6
Command
Display
ON/OFF
Display
START Line
Page Address
Set
Column
(segment)
Address Set
Status Read
Write Display
Data
Read Display
Data
ADC Select
Static Drive
ON/OFF
1
0
RD WR A0 D7 D6 D5 D4 D3 D2 D1 D0
1
1
1
1
0
1
1
0
0
0
0
1
0
1
0
0
0
0
0
0
0
1
1
0
0
1
1
1
0
1
1
0
1
0
0
0
1
0
1
1
1
Column address
Read Data
Write Data
- 8 -
1
0
0
0
Display START
address (0-31)
(0-79)
1
1
0
0
0
1
0
0
0
1
1 0/1
0
0 0/1
0 0/1
Page
(0-3)
0
Switches the entire display ON or
OFF, regardless of the Display
RAM’s data or the internal status. *
Determines the line of RAM data to
be displayed at the display’s top
line (COM0)
Sets the page of the Display RAM
in the page address register.
Sets the column address of the
Display RAM in the column
address register.
Read the status.
Busy 1: Busy (internal processing)
ADC 1: Rightward (forward) output
ON/OFF 1: Display OFF
RESET 1: Resetting. 0: Normal
Writes the
data on the
data bus to
RAM
Reads data
from the
Display
RAM onto
the data
bus.
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
Selects normal display operation or
static all-lit drive display operation.
1: Static drive (power save)*
0: Normal display operation
0: Ready status
0: Leftward (reverse) output
URL: http://www.princeton.com.tw
0: Display ON
These commands
access a
previously-specified
address of the Display
RAM, after which the
column address is
incremented by one.
Function
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February, 2006
PT6520