Datasheet

DescriptionResetTypeNameBit/Field
Last Byte Size
This field indicates the bit-size of the last byte. These bits are sent and
received least significant bit first.
DescriptionValue
8 bits (1 byte)0x0
1 bit0x1
2 bits0x2
3 bits0x3
4 bits0x4
5 bits0x5
6 bits0x6
7 bits0x7
0RWBSIZE18:16
Software should not rely on the value of a reserved bit. To provide
compatibility with future products, the value of a reserved bit should be
preserved across a read-modify-write operation.
0x00ROreserved15:11
STUCK Status
DescriptionValue
STUCK status is not detected.0
Indicates line is being held low (other than in normal operation).
The STUCK bit in the ONEWIRERIS is asserted when a
line-hold-low error is detected.
1
0ROSTUCK10
Answer-to-Reset Status
This bit is disabled if the SKATR bit is set.
DescriptionValue
Answer-to-reset behavior was as expected.0
No answer-to-reset was detected after last reset (RST=1), which
indicates no slave may be present on the bus.
1
0RONOATR9
Busy Status
DescriptionValue
No activity on the bus.0
Activity is taking place on the bus as a result of a reset, read,
write or read/write transaction.
1
Note: Because this bit is on the PIOSC clock domain, it does
not set immediately when a read, write, read/write or
reset transaction begins. The OPC and RST bits in the
ONEWIRERIS register should be used to verify when
these operations have completed.
0ROBUSY8
December 13, 20131518
Texas Instruments-Advance Information
1-Wire Master Module