M16CSLASH29 datasheet(313/499 Pages) RENESAS

313 / 499 page

17. CAN Module

page 289

17.1.1 CAN0 Message Box

Table 17.1

shows the memory mapping of the CAN0 message box.

It is possible to access to the message box in byte or word.

Mapping of the message contents differs from byte access to word access. Byte access or word access

can be selected by the MsgOrder bit of the C0CTLR register.

Table 17.1 Memory Mapping of CAN0 Message Box

Message content (Memory mapping)

Byte access (8 bits)

Word access (16 bits)

006016 + n • 16 + 0

SID10 to SID6

SID5 to SID0

006016 + n • 16 + 1

SID5 to SID0

SID10 to SID6

006016 + n • 16 + 2

EID17 to EID14

EID13 to EID6

006016 + n • 16 + 3

EID13 to EID6

EID17 to EID14

006016 + n • 16 + 4

EID5 to EID0

Data Length Code (DLC)

006016 + n • 16 + 5

Data Length Code (DLC)

EID5 to EID0

006016 + n • 16 + 6

Data byte 0

Data byte 1

006016 + n • 16 + 7

Data byte 1

Data byte 0

••

•

••

•

••

•

006016 + n • 16 + 13

Data byte 7

Data byte 6

006016 + n • 16 + 14

Time stamp high-order byte Time stamp low-order byte

006016 + n • 16 + 15

Time stamp low-order byte Time stamp high-order byte

Address

n = 0 to 15: the number of the slot

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