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STMPE2403 数据表(PDF) 16 Page - STMicroelectronics |
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STMPE2403 数据表(HTML) 16 Page - STMicroelectronics |
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16 / 63 page  I2C Interface STMPE2403 16/63 6.7 Operation modes Figure 3. Master/slave operation modes Table 14. Operation modes Mode Bytes Programming Sequence Read ≥1 START, Device Address, R/W = 0, Register Address to be read reSTART, Device Address, R/W = 1, Data Read, STOP If no STOP is issued, the Data Read can be continuously preformed. If the register address falls within the range that allows address auto- increment, then register address auto-increments internally after every byte of data being read. For register address that falls within a non- incremental address range, the address will be kept static throughout the entire read operations. Refer to the Memory Map table for the address ranges that are auto and non-increment. An example of such a non-increment address is FIFO. Write ≥1 START, Device Address, R/W = 0, Register Address to be written, Data Write, STOP If no STOP is issued, the Data Write can be continuously performed. If the register address falls within the range that allows address auto- increment, then register address auto-increments internally after every byte of data being written in. For register address that falls within a non-incremental address range, the address will be kept static throughout the entire write operations. Refer to the Memory Map table for the address ranges that are auto and non-increment. An example of a non-increment address is Data Port for initializing the PWM commands. OneByte Read Morethan OneByte Read OneByte W rite Morethan OneByte W rite Master Slave Dev Addr Reg Addr Dev Addr Data Read Data Read+1 Da Read Dev Addr Reg Addr Datato be W ritten Dev Addr Reg Addr Dev Addr Data Read Datato W rite+1 Datato W rite+2 Dev Addr Reg Addr Datato W rite |
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