Specifications

V850E2/MN4 CSIH Control
R01AN0924EJ0100 Rev.1.00 Page 4 of 40
Feb 10, 2012
The main points in master direct-access transmit-only mode (Job mode is enabled) are illustrated below.
Transmit status interrupt
Interrupt
First, an user-supplied array is
defined and the transmit data is
divided into two jobs.
JOB2
Main loop
processing
Start of transmission
Is transmission
enabled?
Yes
Transmission is started when data
is stored in CSIH0TX0W.
The next data transmission
is enabled.
: Flow of processing
: Interrupt
Transmit data generation
processing
No
End of processing
End of
transmission
?
Yes
No
Job completion interrupt
Interrupt
All the jobs are transmitted and
then the user transmit end flag is
set to 1.
Job completion interrupt
processing
Transmit status interrupt
processing
Write next transmit data
JOB1
Figure 1.3 Master Direct-Access Transmit-Only Mode (Job Mode Is Enabled)