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2
CHAPTER 15 I
C INTERFACE
[bit9 to bit0] 10-bit slave address mask bits
These bits mask the bits of the 10-bit slave address register (ITBA). Write to this register when
2
the I
0
1
Setting this bit enables transmission of an acknowledge to a compound 10-bit slave address.
When using this register for comparison of 10-bit slave addresses, set this bit to 1. The received
slave address is overwritten to ITBA. When ASS = 1 (IBSR), the specified slave address can be
determined by reading the ITBA register.
Each of TM9 to TM0 of ITMK corresponds to one bit of the ITBA address. If the value of each of
the TM9 to 0 bits is 1, the ITBA address becomes valid; if it is 0, the ITBA address becomes
invalid.
Example: ITBA address is 0010010111
The slave address is in the space from 0010010100
302
C interface is disabled (ICCR EN = 0).
This bit not used for comparison of slave addresses
This bit used for comparison of slave addresses
and ITMK address is 1111111100
B
to 0010010111
B
:
B
.
B
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