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STMPE1801BJR датащи(PDF) 16 Page - STMicroelectronics

номер детали STMPE1801BJR
подробное описание детали  Xpander Logic™ 18-bit enhanced port expander with keypad controller
PDF  60 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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STMPE1801BJR датащи(HTML) 16 Page - STMicroelectronics

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I2C specification
STMPE1801
16/60
Doc ID 17884 Rev 3
Figure 3.
Operating modes
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-increment internally after every
byte of data being written. For those register addresses that fall within a
non-incremental address range, the address will be kept static
throughout the entire write operation. Refer to Table 8.: STMPE1801
register summary table for the address ranges that are auto-increment
and non-increment. An example of a non-increment address is Data
Port for initializing the PWM.
Table 9.
Operating modes
Mode
Byte
Programming sequence
One Byte
Read
More than
One Byte
Read
One Byte
Write
More than
One Byte
Write
Master
Slave
Dev
Addr
Reg
Addr
Dev
Addr
Data
Read
Data
Read + 2
Dev
Addr
Reg
Addr
Data to
be
Written
Dev
Addr
Reg
Addr
Dev
Addr
Data
Read
Data to
Write + 1
Data to
Write + 2
Dev
Addr
Reg
Addr
Data to
Write
Data
Read + 1



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