CMS32L051 User Manual |Chapter 14 Serial interface IICA
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(4) Do not participate in the running of the communication
(a)
Start~Code~Data~Data~Stop
ST AD6~AD0 R/W ACK D7~D0 ACK D7~D0 ACK SP
1
1:IICSn=00000001B
Remark
only generate while SPIEn bit is '1'
(5) The failed operation of the arbitration (running as a slave after the arbitration failed).
When used as a master device in a multi-master system, the MSTSn bit must be read each time the
INTIICAn interrupt request signal is generated to confirm the arbitration result.
(a) A condition in which arbitration fails during the sending of slave address data
(i)
When WTIMn = 0
ST AD6~AD0 R/W ACK D7~D0 ACK D7~D0 ACK SP
1 2 3 4
1:IICSn=0101X110B
2:IICSn=0001X000B
3:IICSn=0001X000B
4:IICSn=00000001B
Remark must generate
only generate while SPIEn bit is '1'
any
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