Synchronous Arbitration Of Scl - Fujitsu MB86R02 Jade-D Hardware Manual

MB86R02 'Jade-D' Hardware Manual V1.64

29.8.4 Synchronous arbitration of SCL

2
If multiple I C devices try to become the master device at the same time (to operate SCL line), each
device detects the SCL line status and automatically adjusts the line's operation timing by adapting to
the speed of the slowest device.
I2C_SCLx
Macro A
SCL output
(before arbitration)
SCL output
(after arbitration)
Take timing from when SCL line
becomes "H" to the next SCL output
= "L"
Macro B
SCL output
(before arbitration)
SCL output
(after arbitration)
Take timing from when SCL line
becomes "H" to the next SCL output =
"L"
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