Operation Flow - NEC V850ES/F 3-L Series User Manual

Clocked Serial Interface (CSIB)

16.6 Operation Flow

(1)
Note
Caution
Single transmission
Set the CBnSCE bit to 1 in the initial setting.
In the slave mode, data cannot be correctly transmitted if the next transfer
clock is input earlier than the CBnTX register is written.
User's Manual U18743EE1V2UM00
START
Note
Initial setting (CBnCTL0 ,
CBnCTL1 registers, etc.)
Write CBnTX register
(start transfer).
INTCBnT interrupt
signal?
Yes
Data to be
transferred next exists?
Yes
CBnTSF bit = 1?
(CBnSTR)
No
CBnPWR bit = 0
(CBnCTL0)
END
Chapter 16
No
Yes
Yes
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