Specifications

V850E2/MN4 CSIH Control
R01AN0924EJ0100 Rev.1.00 Page 11 of 40
Feb 10, 2012
4.1.2 Master Direct-Access Transmit-Only Mode
Master direct-access transmit-only mode is started by writing transmit data to the CSIHnTX0W register. Forty-eight
bits (six bytes) of transmit data are divided into two jobs before transmission. The communication data length is eight
bits.
Start
Initialize CSIHn
Write transmit data to
CSIHnTX0W register
Start transmission
Last job?
End
YES
NO
YES
NO
Set user transmit end flag
Have CSIHnTIJC
interrupt occurred?
YES
NO
Remark 1. The broken lines indicate hardware processing.
Set JOBE bit to 1
Write next transmit data
Have CSIHnTIC
interrupt occurred?
Figure 4.2 Flowchart of Master Direct-Access Transmit-Only Mode