R01UH0136EJ0210 Rev.2.10
Page 562 of 800
Jul 31, 2012
M16C/64A Group
25. Multi-master I
2
C-bus Interface
25.3.4
Generating a Restart Condition
Use the following procedure to generate a restart condition when 1-byte data is transmitted/received.
(1) Write E0h to the S10 register. (Start condition standby state. The SDAMM pin released.)
(2) Wait until the SDAMM pin level becomes high.
(3) Write a slave address to the S00 register (a start condition trigger is generated)
Figure 25.9 shows the Restart Condition Generation Timing.
Figure 25.9
Restart Condition Generation Timing
SCLMM
SDAMM
Write signal to the S10 register
(Start condition standby)
Write signal to the S00 register
(Start condition trigger generation)
8
(ACK clock)
9
Wait until the SDAMM becomes high level.
Summary of Contents for M16C/60 Series
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