PT6520 Datasheet, PDF (8/27 Pages) Texas Instruments – 8-A 5-V/3.3-V Input Adjustable ISR with Short-Circuit protection

LCD Driver IC
Tel: [phone]
Fax: [phone]
URL: http://www.princeton.com.tw
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
Switches the entire display ON or
1 0 0 1 0 1 0 1 1 1 0/1 OFF, regardless of the Display
RAM’s data or the internal status. *
2
Display
START Line
1 0 0110
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
0101110
Page Sets the page of the Display RAM
(0-3) in the page address register.
Column
4 (segment)
Address Set
1 0 00
Column address
(0-79)
Sets the column address of the
Display RAM in the column
address register.
Read the status.
Busy 1: Busy (internal processing)
0: Ready status
5 Status Read 0 1 0
0
0
0
0
ADC 1: Rightward (forward) output
0: Leftward (reverse) output
ON/OFF 1: Display OFF
0: Display ON
RESET 1: Resetting. 0: Normal
Writes the These commands
6
Write Display
Data
1
01
Write Data
data on the access a
data bus to previously-specified
RAM
address of the Display
Reads data RAM, after which the
from the column address is
7
Read Display
Data
0
11
Read Data
Display incremented by one.
RAM onto
the data
bus.
Used to reverse the
correspondence between the
8 ADC Select
1
0
0
1
0
1
0
0
0
0
0/1
Display RAM’s column address and
segment driver output ports
0: Rightward (forward)output
1: Leftward (reverse) output
Selects normal display operation or
9
Static Drive
ON/OFF
1
0
0
1
0
1
0
0
1
0
0/1
static all-lit drive display operation.
1: Static drive (power save)*
0: Normal display operation
PT6520 V1.6
-8-
February, 2006