M16CSLASH29 datasheet(326/499 Pages) RENESAS

номер детали	M16C/29

подробное описание детали	RENESAS MCU M16C FAMILY / M16C/Tiny SERIES

PDF	499 Pages

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производитель	RENESAS [Renesas Technology Corp]

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17. CAN Module

page 302

17.2.4 CAN Interface Sleep Mode

The CAN interface sleep mode is activated by setting the CCLK3 bit in the CCLKR register to 1. It should

never be activated but only via the CAN sleep mode.

Entering the CAN interface sleep mode instantly stops the clock supply to the CPU Interface in the mod-

ule and thereby reduces power dissipation.

17.2.5 Bus Off State

The bus off state is entered according to the fault confinement rules of the CAN specification. When

returning to the CAN operating mode from the bus off state, the module has the following two cases.

In this time, the value of any CAN registers, except registers C0STR, C0RECR, and C0TECR, does not

change.

(1) When 11 consecutive recessive bits are detected 128 times

The module enters instantly into error active state and the CAN communication becomes possible

immediately.

(2) When the RetBusOff bit in the C0CTLR register = 1 (Force return from buss off)

The module enters instantly into error active state, and the CAN communication becomes possible

again after 11 consecutive recessive bits are detected.

M16C/29 датащи(PDF) 326 Page - Renesas Technology Corp