When using the I/O specific commands IN and OUT, the I/O
addresses 0x00 - 0x3F must be used. When addressing I/O Registers as data space using LD
and ST instructions, 0x20 must be added to these offset addresses.
Name:
TWBR
Offset:
0x00
Reset:
0x00
Property:
When addressing I/O Registers as
data space the offset address is 0x20
TWBR selects the
division factor for the bit rate generator. The bit rate generator is a frequency
divider which generates the SCL clock frequency in the Master modes. See Bit Rate Generator Unit for calculating bit
rates.
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