Mitsubishi Electric M32R Series User Manual page 627

Mitsubishi 32-bit risc single-chip microcomputers

Table of Contents

(3) CBS (CAN Bus Error) bit (D3)

[Set condition]

This bit is set to 1 when an error on the CAN bus is detected.

[Clear condition]

This bit is cleared when normally transmitted or received.

(4) BCS (BasicCAN Status) bit (D4)

When BCS bit = 1, it means that the CAN module is operating in BasicCAN mode.

[Set condition]

This bit is set to 1 when operating in BasicCAN mode.

Conditions for operating in BasicCAN mode

• The CAN Control Register BCM bit must be set to 1.

• Slots 14 and 15 both must be set for data frame reception.

[Clear condition]

This bit is cleared by clearing the BCM bit to 0.

(5) LBS (Loopback Status) bit (D6)

When LBS bit = 1, it means that the CAN module is operating in loopback mode.

[Set condition]

This bit is set to 1 by setting the CAN Control Register LBM (loopback mode) bit to 1.

[Clear condition]

This bit is cleared by clearing the LBM bit to 0.

(6) CRS (CAN Reset Status) bit (D7)

When CRS bit = 1, it means that the protocol control unit is in a reset state.

[Set condition]

This bit is set to 1 when the CAN module's protocol control unit is in a reset state.

[Clear condition]

This bit is cleared by clearing the CAN Control Register RST (CAN reset) bit to 0.

13.2 CAN Module Related Registers