M32CSLASH86 datasheet(376/505 Pages) RENESAS

376 / 505 page

Page 353

23. CAN Module

)

(

Figure 23.30 C0SBS and C1SBS Registers

23.1.21.1 SBS03 to SBS00 Bits

If the SBS03 to SBS00 bits select a number j (j=0 to 15), the message slot j is allocated to the CANi

message slot buffer 0. The message slot j can be accessed via addresses 01E016 to 01EF16, and

026016 to 026F16.

23.1.21.2 SBS13 to SBS10 Bits

If the SBS13 to SBS10 bits select a number j, the message slot j is allocated to the CANi message slot

buffer 1. The message slot j can be accessed via addresses 01F016 to 01FF16, and 027016 to 027F16.

CANi Slot Buffer Select Register (i=0,1)

Symbol

Address

After Reset(2)

C0SBS

024016

0016

C1SBS

025016

0016

SBS00

SBS01

CANi Message

Slot Buffer 0

Number Select Bit

CANi Message

Slot Buffer 1

Number Select Bit

SBS02

SBS03

SBS10

SBS11

SBS12

SBS13

0 0 0 0 : Message slot 0

0 0 0 1 : Message slot 1

0 0 1 0 : Message slot 2

0 0 1 1 : Message slot 3

(Note 1)

Bit Name

Function

Bit

Symbol

b3 b2 b1 b0

1 1 0 0 : Message slot 12

1 1 0 1 : Message slot 13

1 1 1 0 : Message slot 14

1 1 1 1 : Message slot 15

0 0 0 0 : Message slot 0

0 0 0 1 : Message slot 1

0 0 1 0 : Message slot 2

0 0 1 1 : Message slot 3

b3 b2 b1 b0

1 1 0 0 : Message slot 12

1 1 0 1 : Message slot 13

1 1 1 0 : Message slot 14

1 1 1 1 : Message slot 15

NOTES:

1. 16 CANi message slots are provided. Each message slot can be selected as a transmit or a receive

slot.

2. Value is obtained by setting the SLEEP bit in the CiSLPR register to "1" (sleep mode exited) after

reset and supplying the clock to the CAN module.

23.1.21 CANi Slot Buffer Select Register (CiSBS Register) (i=0,1)

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