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RL78/D1A User's Manual: Hardware - Renesas

RL78/D1A User's Manual: Hardware - Renesas

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Under development<br />

Preliminary document<br />

Specifications in this document are tentative and subject to change.<br />

<strong>RL78</strong>/<strong>D1A</strong> CHAPTER 14 CAN CONTROLLER<br />

Set Baud<br />

Rate Value<br />

(Unit: kbps)<br />

Division<br />

Ratio of<br />

C0BRP<br />

Table 14-23. Representative Examples of Baud Rate Settings (fCANMOD = 8 MHz) (2/2)<br />

C0BRP<br />

Register<br />

Set Value<br />

Length<br />

of DBT<br />

Valid Bit Rate Setting (Unit: kbps) C0BTR Register<br />

Setting Value<br />

SYNC PROP PHASE PHASE<br />

SEGMENT SEGMENT SEGMENT SEGMENT<br />

1 2<br />

TSEG1<br />

[3:0]<br />

TSEG2<br />

[2:0]<br />

Sampling<br />

point<br />

(Unit: %)<br />

100 4 00000011 20 1 7 6 6 1100 101 70.0<br />

100 4 00000011 20 1 9 5 5 1101 100 75.0<br />

100 5 00000100 16 1 7 4 4 1010 011 75.0<br />

100 5 00000100 16 1 9 3 3 1011 010 81.3<br />

100 8 00000111 10 1 3 3 3 0101 010 70.0<br />

100 8 00000111 10 1 5 2 2 0110 001 80.0<br />

100 10 00001001 8 1 3 2 2 0100 001 75.0<br />

100 10 00001001 8 1 5 1 1 0101 000 87.5<br />

83.3 4 00000011 24 1 7 8 8 1110 111 66.7<br />

83.3 4 00000011 24 1 9 7 7 1111 110 70.8<br />

83.3 6 00000101 16 1 5 5 5 1001 100 68.8<br />

83.3 6 00000101 16 1 7 4 4 1010 011 75.0<br />

83.3 6 00000101 16 1 9 3 3 1011 010 81.3<br />

83.3 6 00000101 16 1 11 2 2 1100 001 87.5<br />

83.3 8 00000111 12 1 5 3 3 0111 010 75.0<br />

83.3 8 00000111 12 1 7 2 2 1000 001 83.3<br />

83.3 12 00001011 8 1 3 2 2 0100 001 75.0<br />

83.3 12 00001011 8 1 5 1 1 0101 000 87.5<br />

33.3 10 00001001 24 1 7 8 8 1110 111 66.7<br />

33.3 10 00001001 24 1 9 7 7 1111 110 70.8<br />

33.3 12 00001011 20 1 7 6 6 1100 101 70.0<br />

33.3 12 00001011 20 1 9 5 5 1101 100 75.0<br />

33.3 15 00001110 16 1 7 4 4 1010 011 75.0<br />

33.3 15 00001110 16 1 9 3 3 1011 010 81.3<br />

33.3 16 00001111 15 1 6 4 4 1001 011 73.3<br />

33.3 16 00001111 15 1 8 3 3 1010 010 80.0<br />

33.3 20 00010011 12 1 5 3 3 0111 010 75.0<br />

33.3 20 00010011 12 1 7 2 2 1000 001 83.3<br />

33.3 24 00010111 10 1 3 3 3 0101 010 70.0<br />

33.3 24 00010111 10 1 5 2 2 0110 001 80.0<br />

33.3 30 00011101 8 1 3 2 2 0100 001 75.0<br />

33.3 30 00011101 8 1 5 1 1 0101 000 87.5<br />

Caution The values in Table 14-23 do not guarantee the operation of the network system. Thoroughly check<br />

the effect on the network system, taking into consideration oscillation errors and delays of the CAN<br />

bus and CAN transceiver.<br />

R01UH0317EJ0004 Rev. 0.04 916<br />

Feb. 22, 2013

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