04.03.2013 Views

RL78/D1A User's Manual: Hardware - Renesas

RL78/D1A User's Manual: Hardware - Renesas

RL78/D1A User's Manual: Hardware - Renesas

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

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 />

Control field<br />

The control field sets “DLC” as the number of data bytes in the data field (DLC = 0 to 8).<br />

(Arbitration field)<br />

R<br />

D<br />

Remark D: Dominant = 0<br />

R: Recessive = 1<br />

Figure 14-8. Control Field<br />

Control field (Data field)<br />

RTR r1<br />

(IDE)<br />

r0 DLC3 DLC2 DLC1 DLC0<br />

In a standard format frame, the control field’s IDE bit is the same as the r1 bit.<br />

Table 14-5. Data Length Setting<br />

Data Length Code<br />

DLC3 DLC2 DLC1 DLC0<br />

Data Byte Count<br />

0 0 0 0 0 bytes<br />

0 0 0 1 1 byte<br />

0 0 1 0 2 bytes<br />

0 0 1 1 3 bytes<br />

0 1 0 0 4 bytes<br />

0 1 0 1 5 bytes<br />

0 1 1 0 6 bytes<br />

0 1 1 1 7 bytes<br />

1 0 0 0 8 bytes<br />

Other than above 8 bytes regardless of the<br />

value of DLC3 to DLC0<br />

Caution In the remote frame, there is no data field even if the<br />

data length code is not 0000B.<br />

R01UH0317EJ0004 Rev. 0.04 790<br />

Feb. 22, 2013

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!