Setup Procedures; Master Transmission (Single Mode) - Renesas RZ/A Series User Manual

RZ/A1L Group, RZ/A1LU Group, RZ/A1LC Group
22.6

Setup Procedures

22.6.1

Master transmission (single mode)

START
Set up the IEBBnPSR, IEBBnUAR,
IEBBnCKS, and IEBBnTMS registers.
Set the IEBBnBCR register to 80H.
Set up the IEBBnSAR, IEBBnCDR
(or IEBBnTCD), IEBBnDLR, and
IEBBnDR (first byte of data) registers.
Set the IEBBnBCR register to C8H (separate communication)
or the IEBBnBCR register to E8H (broadcast communication).
Has IEBBTSTA
occurred (IEBBTV)?
Start interrupt servicing
(See 22.5.3 (3) "Interrupt servicing example".)
Has IEBBTD occurred?
Has IEBBTSTA
occurred (IEBBTV)?
End interrupt servicing
(See 22.5.3 (3) "Interrupt servicing example".)
END
Figure 22-44 Master transmission (single mode)
R01UH0437EJ0600 Rev.6.00
Jan 29, 2021
: Initial settings
: Master request
No
: Start interrupt occurrence check
Yes
Yes
: Data interrupt occurrence check
No
No
: End interrupt occurrence check
Yes
Set up the IEBBnDR register.
22. IEBus Controller
: Specify the 2nd
and following
bytes of data.
22-99