ST7036-0A 데이터 시트보기 (PDF) - Sitronix Technology Co., Ltd.

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ST7036-0A

Dot Matrix LCD Controller/Driver

Sitronix Technology Co., Ltd. 

ST7036

Pin Function

Name Number

XRESET

1

RS

1

R/W

1

E

1

CSB

1

DB0 to DB7

8

Ext

1

PSB

1

PSI2B

1

I/O Interfaced with

Function

External reset pin. Only if the power on reset be used, the

I

MPU

XRESET pin could be fixed to VDD.

Low active.

Select registers.

0: Instruction register (for write)

I

MPU

Busy flag & address counter (for read)

1: Data register (for write and read)

Select read or write(In parallel mode).

I

MPU

0: Write

1: Read

Starts data read/write. (“E” must connect to “VDD” when

I

MPU

serial mode is selected.)

Chip select in parallel mode and serial interface(Low

I

MPU

active). When the CSB in falling edge state ( in serial

interface ), the shift register and the counter are reset.

DB0~DB3 are four low order bi-directional data bus pins.

DB0~DB3 are used for data transfer and receive between

the MPU and the ST7036.

These pins are not used during 4-bit operation and must

connect to VDD.

DB4~DB7 are four high order bi-directional data bus pins.

DB4~DB7 are used for data transfer and receive between

I/O

MPU

the MPU and the ST7036. DB7 can be used as a busy flag.

In serial interface mode DB7 is SI(input data),DB6 is

SCL(serial clock).

In I2C interface DB7 is slave address A1, DB6 is slave

address A0, DB5 DB4 DB3 are SDA –out, DB2 DB1 are

SDA-in and D0 is SCL.

SDA and SCL must connect to I2C bus ( I2C bus means that

connecting a resister between SDA/SCL and the power of

I2C bus ).

Extension instruction select:

0:enable extension instruction(add contrast/ICON/double

I

ITO option

height font/ extension instruction)

1:disable extension instruction(compatible to ST7066U, but

without 5x11dot font)

Interface selection

0:serial mode

I

ITO option

(“E” must connect to “VDD” when serial mode is selected.)

1:parallel mode(4/8 bit)

In I2C interface PSB must connect to VDD

PSB PSI2B

Interface

0

0

No use

I

ITO option

0

1

1

0

4-line SPI

I2C

1

1

Parallel 68

V1.7a

11/70

2007/10/17

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