TMPR3916 datasheet(153/225 Pages) TOSHIBA

Part #	TMPR3916

Description	32-Bit TX System RISC TX39 Family TMPR3916

PDF	225 Pages

Scroll/Zoom	100%

Manufacturer	TOSHIBA [Toshiba Semiconductor]

Direct Link	http://www.semicon.toshiba.co.jp/eng

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153 / 225 page

Chapter 7 CAN Module (TXCAN)

Preliminary

7-32

7.5.3

Remote Frame Handling

The following flowchart shows the handling of remote frames by using the automatic reply feature.

This feature is available when the RFH bit of a mailbox, which is configured for transmission, is set. To

avoid data inconsistency problems when updating the mailbox data the CDR register is used.

Setup a mailbox for

automatic reply to

remote frames

Configure mailbox for

transmission:

set MDn to '0'

Disable mailbox:

set MCn to '0'

Setup mailbox identifier

and IDE bit for standard

or extended ID

Enable mailbox:

set MCn to '1'

End of setup

Automatic reply to

remote frames

New setup for

the mailbox?

Yes

Update mailbox

data?

Yes

Choose transmission

Order:

setup MTOS

Set RFH bit of the

mailbox; set GAME if

necessary

Setup GAM if necessary

Change data requested:

set CDRn to '1'

Reset CDRn:

set CDRn to '0'

Write new data to the

mailbox

Figure 7.5.3 Automatic Reply Generation for Remote Frames

TMPR3916 Datasheet(PDF) 153 Page - Toshiba Semiconductor

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