Operation Flow - NEC V850E/Dx3 Preliminary User's Manual

32-bit single-chip microcontroller
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Chapter 17
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17.6 Operation Flow

(1)
Single transmission
Note
Set the CBnSCE bit to 1 in the initial setting.
Caution
In the slave mode, data cannot be correctly transmitted if the next transfer
clock is input earlier than the CBnTX register is written.
Preliminary User's Manual U17566EE1V2UM00
Clocked Serial Interface (CSIB)
START
Note
Initial setting (CBnCTL0
,
CBnCTL1 registers, etc.)
Write CBnTX register
(start transfer).
No
INTCBnT bit = 1?
Yes
Data to be
Yes
transferred next exists?
No
No
CBnTSF bit = 1?
(CBnSTR)
Yes
CBnPWR bit = 0
(CBnCTL0)
END

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