Specifications

V850E2/MN4 CSIH Control
R01AN0924EJ0100 Rev.1.00 Page 5 of 40
Feb 10, 2012
The main points in slave direct-access receive-only mode are illustrated below.
End of processing
Main loop
processing
Start of reception
End of
reception
?
Yes
No
Transmit error interrupt
Interrupt
The communicatin is stopped, the
SFR error flag is cleared, and then,
the CSIHn is reset.
Communication error
interrupt processing
Receive status interrupt
processing
Receive status interrupt
Interrupt
......
The receive data is stored in the user
receive array. When all data have been
transmitted, the user flag is set to 1.
: Flow of processing
: Interrupt
Receive buffer
Figure 1.4 Slave Direct-Access Receive-Only Mode