ST7533 Sitronix Technology, ST7533 Datasheet - Page 40

• Manufacturer Part Number: ST7533
• Description: 33 x 96 Dot Matrix LCD Controller/Driver
• Manufacturer: Sitronix Technology

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ST7533
Ver 1.0
(1) Display ON/OFF
(2) Display start line set
(3) Page address set
(4) Column address set
(5) Status read
(6) Display data write
(7) Display data read
(8) ADC select
(9) Display normal/
(10) Display all points
(11) LCD bias set
(12) Read/modify/write
(13) End
(14) Reset
(15) Common output
(16) Power control set
(17) V
(18) Electronic volume
(19) Static indicator
(20) Power saver
(21) NOP
(22) Test
upper bit
Column address set
lower bit
reverse
Electronic volume
Static indicator
ON/OFF
mode select
internal resistor ratio
set
mode set
register set
ON/OFF
register set
5
voltage regulator
Command
A0 RD WR
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
0
1
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Table 16: Table of ST7533 Commands
0
0
0
0
0
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Command Code
D7 D6 D5 D4 D3 D2 D1 D0
1
0
0
1
1
1
1
1
0
0
1
1
0
1
1
1
1
0
0
1
1
0
0
0
0
0
0
0
1
0
0
0
0
1
0
Status
1
1
1
0 Electronic volume value
0
1
1
1
40/60
0
0
1
1
1
1
0
1
1
0
1
Display start address
1
1
1
1
0
1
1
Write data
Read data
0
1 Most significant
0 Least significant
0
0
0
0
0
0
0
0
0
1
0
0
0
0
1
0
column address
column address
Page address
1
0
0
0
0
0
1
0
0
1
0
1
0
1
0
0
*
0
Operating
Resistor
mode
1
0
1
1
0
*
0
1
0
1
0
0
0
ratio
*
0 0 Mode
1
0
1
0
1
0
0
0
0
1
1
*
1
*
0
1
0
0
0
0
1
0
1
0
0
0
1
0
1
1
1
1
*
*
LCD display ON/OFF
0: OFF, 1: ON
Sets the display RAM display start
line address
Sets the display RAM page
address
Sets the most significant 4 bits of
the display RAM column address.
Sets the least significant 4 bits of
the display RAM column address.
Reads the status data
Writes to the display RAM
Reads from the display RAM
Sets the display RAM address
SEG output correspondence
0: normal, 1: reverse
Sets the LCD display normal/
reverse
0: normal, 1: reverse
Display all points
0: normal display
1: all points ON
Sets the LCD drive voltage bias
ratio
0: 1/6 bias, 1: 1/5 bias (ST7533)
Column address increment
At write: +1
At read: 0
Clear read/modify/write
Internal reset
Select COM output scan direction
0: normal direction
1: reverse direction
Select internal power supply
operating mode
Select internal resistor
ratio(Rb/Ra) mode
Set the V
electronic volume register
0: OFF, 1: ON
Set the flashing mode
Display OFF and display all
points ON compound command
Command for non-operation
Command for IC test. Do not
use this command
5
(Note) *: disabled data
output voltage
Function
2003/07/21