ST7036 ETC-unknow, ST7036 Datasheet - Page 11

• Manufacturer Part Number: ST7036
• Description: Dot Matrix Lcd Controller/driver
• Manufacturer: ETC-unknow

ST7036
V1.1
DB0 to DB7
XRESET
Name
PSI2B
Pin Function
R/W
CSB
PSB
Ext
RS
E
Number
1
1
1
8
1
1
1
1
1
I/O Interfaced with
I/O
I
I
I
I
I
I
I
I
ITO option
ITO option
MPU
MPU
MPU
MPU
MPU
MPU
MPU
11/72
External reset pin. Only if the power on reset be used, the
XRESET pin could be fixed to VDD.
Low active.
Select registers.
0: Instruction register (for write)
1: Data register (for write and read)
Select read or write(In parallel mode).
0: Write
1: Read
Starts data read/write. (“E” must connect to “VDD” when
serial mode is selected.)
Chip select in parallel mode and serial interface(Low
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
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 I
address A0, DB5 DB4 DB3 are SDA –out, DB2 DB1 are
SDA-in and D0 is SCL.
SDA and SCL must connect to I
connecting a resister between SDA/SCL and the power of
I
Extension instruction select:
0:enable extension instruction(add contrast/ICON/double
height font/ extension instruction)
1:disable extension instruction(compatible to ST7066U, but
without 5x11dot font)
Interface selection
0:serial mode
(“E” must connect to “VDD” when serial mode is selected.)
1:parallel mode(4/8 bit)
In I
2
C bus ).
Busy flag & address counter (for read)
PSB
2
2
C interface DB7 is slave address A1, DB6 is slave
C interface PSB must connect to VDD
0
0
1
1
PSI2B
0
1
0
1
Function
Parallel 68
SI2 ( I
Interface
No use
SI4
2
2
C )
C bus ( I
2
C bus means that
2003/12/24