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ST7036-0A Datasheet(PDF) 11 Page - List of Unclassifed Manufacturers |
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ST7036-0A Datasheet(HTML) 11 Page - List of Unclassifed Manufacturers |
11 / 72 page ST7036 V1.1 2003/12/24 11/72 Pin Function Name Number I/O Interfaced with Function XRESET 1 I MPU External reset pin. Only if the power on reset be used, the XRESET pin could be fixed to VDD. Low active. RS 1 I MPU Select registers. 0: Instruction register (for write) Busy flag & address counter (for read) 1: Data register (for write and read) R/W 1 I MPU Select read or write(In parallel mode). 0: Write 1: Read E 1 I MPU Starts data read/write. (“E” must connect to “VDD” when serial mode is selected.) CSB 1 I MPU 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). DB0 to DB7 8 I/O MPU In I 2C 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 I 2C bus ( I2C bus means that connecting a resister between SDA/SCL and the power of I 2C bus ). Ext 1 I ITO option 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) PSB 1 I MPU Interface selection 0:serial mode (“E” must connect to “VDD” when serial mode is selected.) 1:parallel mode(4/8 bit) In I 2C interface PSB must connect to VDD PSI2B 1 I ITO option PSB PSI2B Interface 0 0 No use 0 1 SI4 1 0 SI2 ( I 2C ) 1 1 Parallel 68 |
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