Specifications

V850E2/MN4 CSIH Control
R01AN0924EJ0100 Rev.1.00 Page 13 of 40
Feb 10, 2012
4.1.4 Master Dual-Buffer Transmit-Only Mode
Master dual-buffer transmit-only mode is started by setting the CSIHnMCTL2.CSIHnBTST bit to 1.
Start
Initialize CSIHn
Write transmit data to
CSIHnTX0W register
Start transmission
Set BTST bit to 1
Have CSIHnTIC
interrupt occurred?
End
Remark 1. The broken lines indicate hardware processing
YES
NO
Have all data been
written?
YES
NO
Set user transmit end flag
Figure 4.4 Flowchart of Master Dual-Buffer Transmit-Only Mode