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Rev. 1.00, 05/04, page 333 of 544
SCL
SDA
IRIC
User processing
Clear IRIC
187
412387
When FS = 1 and FSX = 1 (clocked synchronous serial format)
(a) Data transfer ends with ICDRE = 0 at transmission, or ICDRF = 0 at reception.
SCL
SDA
IRIC
User processing
Clear IRIC Clear IRIC
Write to ICDR (transmit)
or read from ICDR (receive)
87214
3
187
(b) Data transfer ends with ICDRE =1 at transmission, or ICDRF = 1 at reception.
Figure 13.27 IRIC Setting Timing and SCL Control (3)