M16C29 Datasheet, PDF (292/499 Pages) Renesas Technology Corp – RENESAS MCU M16C FAMILY / M16C/Tiny SERIES

M16C/29 Group
16. MULTI-MASTER I²C bus INTERFACE
16.4.5 Bit 7: I²C bus Interface Pin Input Level Select Bit (TISS)
The TISS bit selects the input level of the SCL and SDA pins for the multi-master I²C bus interface.
When the TISS bit is set to 1, the P20 and P21 become the SMBus input level.
Write 1 to IHR bit
IHR bit
A reset signal to I²C bus interface circuit
2.5 VIIC cycles
Figure 16.10 The timing of reset to the I²C bus interface circuit
Rev. 1.12 Mar.30, 2007 ^{page 268} of 458
REJ09B0101-0112