ST7533 Sitronix Technology, ST7533 Datasheet

ST7533

Manufacturer Part Number

ST7533

Description

33 x 96 Dot Matrix LCD Controller/Driver

Manufacturer

Sitronix Technology

Datasheet

1.ST7533.pdf (60 pages)

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The ST7533 is a single-chip dot matrix LCD drivers that can

be connected directly to a microprocessor bus. 8-bit parallel

or serial display data sent from the microprocessor is stored

in the internal display data RAM and the chip generates a

LCD drive signal independent of the microprocessor.

Because the chips in the ST7533 contain 33x96 bits of

display data RAM and there is a 1-to-1 correspondence

between the LCD panel pixels and the internal RAM bits,

these chips enable displays with a high degree of freedom.

The ST7533 chips contain 33 common output circuits and 96

segment output circuits, so that a single chip can drive a

33x96 dot display (capable of displaying 8 columnsx4 rows of

Ver 1.0

1/33 duty : 33 common x 96 segment

1/17 duty : 17 common x 96 segment

RAM.

connected directly to the both the 80x86 series MPUs

and the 68000 series MPUs)

/Serial interfaces are supported.

Display data Read/Write, display ON/OFF, Normal/

Reverse display mode, page address set, display start

line set, column address set, status read, display all

points ON/OFF, LCD bias set, electronic volume,

read/modify/write, segment driver direction select,

power saver, static indicator, common output status

select, V

(1 system, with variable flashing speed.)

equipped internally.

Booster circuit (with Boost ratios of 2X/3X/4X

, where the step-up voltage reference power

supply can be input externally).

High-accuracy voltage adjustment circuit (Thermal

Direct display of RAM data through the display data

RAM capacity : 33 x 96 = 3168 bits

Display duty selectable by select pin

High-speed 8-bit MPU interface (The chip can be

Abundant command functions

Static drive circuit equipped internally for indicators.

Low-power liquid crystal display power supply circuit

voltage regulation internal resistor ratio set.

PART NO.

ST7533

temperature gradient

-0.15%/°C

33 x 96 Dot Matrix LCD Controller/Driver

1/60

a 16x16 dot kanji font).

Moreover, the capacity of the display can be extended

through the use of master/slave structures between chips.

The chips are able to minimize power consumption

because no external operating clock is necessary for the

display data RAM read/write operation. Furthermore,

because each chip is equipped internally with a low-power

LCD driver power supply, resistors for LCD driver power

voltage adjustment and a display clock CR oscillator circuit,

the ST7533 can be used to create the lowest power display

system with the fewest components for high-performance

portable devices.

gradient –0.15%/°C ) V

equipped internally, V

equipped internally, electronic volume function

equipped internally, voltage follower.

clock can also be input)

70uA (V

Conditions: When displays pattern OFF and the

normal mode is selected.

Logic power supply

Boost reference voltage: V

Booster maximum voltage limited

Liquid crystal drive power supply:

resistance to radiation.

CR oscillator circuit equipped internally (external

Extremely low power consumption Operating power

when the built-in power supply is used (an example)

Power supply operate on the low 1.8 voltage

Wide range of operating temperatures: –40 to 85°C

CMOS process

These chips not designed for resistance to light or

OUT

– V

= -13V (+10% Range)

-2.1V ±0.03V

= – 11.0 V).

= 4.0V to 13.0 V

= 1.8V to 3.3V (+10% Range)

– V

range

= V

to V

– V

voltage regulator resistors

SS2

voltage divider resistors

– V

=3.0 V, Quad voltage,

SS2

= 1.8V to 3.3V

ST7533

2003/07/21

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