RL78/F13, F14 CHAPTER 18 CAN INTERFACE (RS-CAN LITE)
R01UH0368EJ0210 Rev.2.10 1422
Dec 10, 2015
18.13 Test Settings
18.13.1 Self-Test Mode Setting Procedure
Self-test mode allows communication test on a channel basis by receiving messages transmitted from the own node.
Figure 18-33 shows the self-test mode setting procedure.
Figure 18-33. Self-Test Mode Setting Procedure
No
No
No
Remark i = 0
Set the CHMDC[1:0] bits in the CiCTRL register to B'10.
Yes
Are all CSLPSTS, CHLTSTS, and
CRSTSTS flags in the CiSTSL register 0?
Yes
Yes
Perform self-test in channel i.
Set CTME bit in the CiCTRH register to 1.
Set the CTMS[1:0] bits to B'10 or B'11.
Communication test mode is enabled.
Self-test mode 0 (B'10) or 1 (B'11) is selected.
Channel halt mode
Start
Is CHLTSTS flag in the CiSTSL register 1
(in channel halt mode)?
Set the CHMDC[1:0] bits in the CiCTRL register to B'00.
Channel communication mode
Set the CHMDC[1:0] bits in the CiCTRL register to B'10.
Channel halt mode
Is CHLTSTS flag in the CiSTSL register 1
(in channel halt mode)?
Set CTME bit in the CiCTRH register to 0.
Set the CTMS[1:0] bits to B'00.
Communication test mode is disabled.
Standard test mode
End
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