Table of Contents
Advertisement
17.3.6
Slave Address Register (SAR)
SAR sets slave addresses. When the chip is in slave mode, if the upper 7 bits in SAR match the
upper 7 bits of the first frame received after a start condition, the chip operates as the slave device.
Bit
Bit Name Initial Value R/W Description
7 to 1 SVA6 to
All 0
SVA0
0
0
17.3.7
Slave Address Register A (SARA)
SARA sets slave addresses. When the chip is in slave mode, if the upper 7 bits in SARA match the
upper 7 bits of the first frame received after a start condition, the chip operates as the slave device.
Bit
Bit Name Initial Value R/W
7 to 1 SVA6 to
All 0
SVA0
0
SARE
0
R/W Slave Address 6 to 0
Set a unique address in bits SVA6 to SVA0, differing from
the addresses of other slave devices connected to the I
bus.
R/W Reserved
This bit is readable/writable. The write value should always
be 0.
Description
R/W
Slave Address 6 to 0
Set a unique address in bits SVA6 to SVA0, differing from
the addresses of other slave devices connected to the I
bus.
R/W
Slave Address Enable
Selects whether slave addresses in SARA are recognized
or not.
0: Ignores slave addresses in SARA
1: Recognizes slave addresses in SARA
Rev. 1.00, 09/03, page 487 of 704
2
C
2
C
Advertisement
Table of Contents
