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STMPE1601 Fiches technique(PDF) 15 Page - STMicroelectronics

No de pièce STMPE1601
Description  16-bit enhanced port expander with keypad and PWM controller Xpander Logic
PDF  58 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STMPE1601 Fiches technique(HTML) 15 Page - STMicroelectronics

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STMPE1601
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6.8
General call address
A general call address is a transaction with the slave address of 0x00 and R/W = 0. When a
general call address is made, STMPE1601 responds to this transaction with an
acknowledgement and behaves as a slave-receiver mode. The meaning of a general call
address is defined in the second byte sent by the master-transmitter.
Note:
All other second byte values will be ignored.
Table 14.
General call address
R/W
Second byte value
Definition
0
0x06
A 2-byte transaction in which the second byte tells the slave
device to reset and write (or latch in) the 2-bit programmable part
of the slave address.
0
0x04
A 2-byte transaction in which the second byte tells the slave
device not to reset and write (or latch in) the 2-bit programmable
part of the slave address.
0
0x00
Not allowed as second byte.



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