MOTRX

Reading this register allows the CPU to quickly detect if any of the transmission request bits in each of the MOTRA, MOTRB, MOTRC, and MOTRD Transmission Request Registers are set.

Module Instance	Base Address	Register Address
`can0`	`0xFFC00000`	`0xFFC00084`
`can1`	`0xFFC01000`	`0xFFC01084`

Offset: 0x84

Access: RO

Important: To prevent indeterminate system behavior, reserved areas of memory must not be accessed by software or hardware. Any area of the memory map that is not explicitly defined as a register space or accessible memory is considered reserved.

Bit Fields
31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
`Reserved`
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
`TxRqstD_3` `RO 0x0`	`TxRqstD_2` `RO 0x0`	`TxRqstD_1` `RO 0x0`	`TxRqstD_0` `RO 0x0`	`TxRqstC_3` `RO 0x0`	`TxRqstC_2` `RO 0x0`	`TxRqstC_1` `RO 0x0`	`TxRqstC_0` `RO 0x0`	`TxRqstB_3` `RO 0x0`	`TxRqstB_2` `RO 0x0`	`TxRqstB_1` `RO 0x0`	`TxRqstB_0` `RO 0x0`	`TxRqstA_3` `RO 0x0`	`TxRqstA_2` `RO 0x0`	`TxRqstA_1` `RO 0x0`	`TxRqstA_0` `RO 0x0`

MOTRX Fields

Bit

Name

Description

Access

Reset

TxRqstD_3

Each bit in this field is a logical OR of a byte of the MOTRD register. Array index i corresponds to byte i of the MOTRD register.

Value	Description
0x0	The Message Objects in the corresponding byte of MOTRD are not waiting for transmission.
0x1	One or more of the transmission of the Message Objects in the corresponding byte of MOTRD are requested and are not yet done.

RO

0x0

TxRqstD_2

Each bit in this field is a logical OR of a byte of the MOTRD register. Array index i corresponds to byte i of the MOTRD register.

Value	Description
0x0	The Message Objects in the corresponding byte of MOTRD are not waiting for transmission.
0x1	One or more of the transmission of the Message Objects in the corresponding byte of MOTRD are requested and are not yet done.

RO

0x0

TxRqstD_1

Each bit in this field is a logical OR of a byte of the MOTRD register. Array index i corresponds to byte i of the MOTRD register.

Value	Description
0x0	The Message Objects in the corresponding byte of MOTRD are not waiting for transmission.
0x1	One or more of the transmission of the Message Objects in the corresponding byte of MOTRD are requested and are not yet done.

RO

0x0

TxRqstD_0

Each bit in this field is a logical OR of a byte of the MOTRD register. Array index i corresponds to byte i of the MOTRD register.

Value	Description
0x0	The Message Objects in the corresponding byte of MOTRD are not waiting for transmission.
0x1	One or more of the transmission of the Message Objects in the corresponding byte of MOTRD are requested and are not yet done.

RO

0x0

TxRqstC_3

Each bit in this field is a logical OR of a byte of the MOTRC register. Array index i corresponds to byte i of the MOTRC register.

Value	Description
0x0	The Message Objects in the corresponding byte of MOTRC are not waiting for transmission.
0x1	One or more of the transmission of the Message Objects in the corresponding byte of MOTRC are requested and are not yet done.

RO

0x0

TxRqstC_2

Each bit in this field is a logical OR of a byte of the MOTRC register. Array index i corresponds to byte i of the MOTRC register.

Value	Description
0x0	The Message Objects in the corresponding byte of MOTRC are not waiting for transmission.
0x1	One or more of the transmission of the Message Objects in the corresponding byte of MOTRC are requested and are not yet done.

RO

0x0

TxRqstC_1

Each bit in this field is a logical OR of a byte of the MOTRC register. Array index i corresponds to byte i of the MOTRC register.

Value	Description
0x0	The Message Objects in the corresponding byte of MOTRC are not waiting for transmission.
0x1	One or more of the transmission of the Message Objects in the corresponding byte of MOTRC are requested and are not yet done.

RO

0x0

TxRqstC_0

Each bit in this field is a logical OR of a byte of the MOTRC register. Array index i corresponds to byte i of the MOTRC register.

Value	Description
0x0	The Message Objects in the corresponding byte of MOTRC are not waiting for transmission.
0x1	One or more of the transmission of the Message Objects in the corresponding byte of MOTRC are requested and are not yet done.

RO

0x0

TxRqstB_3

Each bit in this field is a logical OR of a byte of the MOTRB register. Array index i corresponds to byte i of the MOTRB register.

Value	Description
0x0	The Message Objects in the corresponding byte of MOTRB are not waiting for transmission.
0x1	One or more of the transmission of the Message Objects in the corresponding byte of MOTRB are requested and are not yet done.

RO

0x0

TxRqstB_2

Each bit in this field is a logical OR of a byte of the MOTRB register. Array index i corresponds to byte i of the MOTRB register.

Value	Description
0x0	The Message Objects in the corresponding byte of MOTRB are not waiting for transmission.
0x1	One or more of the transmission of the Message Objects in the corresponding byte of MOTRB are requested and are not yet done.

RO

0x0

TxRqstB_1

Each bit in this field is a logical OR of a byte of the MOTRB register. Array index i corresponds to byte i of the MOTRB register.

Value	Description
0x0	The Message Objects in the corresponding byte of MOTRB are not waiting for transmission.
0x1	One or more of the transmission of the Message Objects in the corresponding byte of MOTRB are requested and are not yet done.

RO

0x0

TxRqstB_0

Each bit in this field is a logical OR of a byte of the MOTRB register. Array index i corresponds to byte i of the MOTRB register.

Value	Description
0x0	The Message Objects in the corresponding byte of MOTRB are not waiting for transmission.
0x1	One or more of the transmission of the Message Objects in the corresponding byte of MOTRB are requested and are not yet done.

RO

0x0

TxRqstA_3

Each bit in this field is a logical OR of a byte of the MOTRA register. Array index i corresponds to byte i of the MOTRA register.

Value	Description
0x0	The Message Objects in the corresponding byte of MOTRA are not waiting for transmission.
0x1	One or more of the transmission of the Message Objects in the corresponding byte of MOTRA are requested and are not yet done.

RO

0x0

TxRqstA_2

Each bit in this field is a logical OR of a byte of the MOTRA register. Array index i corresponds to byte i of the MOTRA register.

Value	Description
0x0	The Message Objects in the corresponding byte of MOTRA are not waiting for transmission.
0x1	One or more of the transmission of the Message Objects in the corresponding byte of MOTRA are requested and are not yet done.

RO

0x0

TxRqstA_1

Each bit in this field is a logical OR of a byte of the MOTRA register. Array index i corresponds to byte i of the MOTRA register.

Value	Description
0x0	The Message Objects in the corresponding byte of MOTRA are not waiting for transmission.
0x1	One or more of the transmission of the Message Objects in the corresponding byte of MOTRA are requested and are not yet done.

RO

0x0

TxRqstA_0

Each bit in this field is a logical OR of a byte of the MOTRA register. Array index i corresponds to byte i of the MOTRA register.

Value	Description
0x0	The Message Objects in the corresponding byte of MOTRA are not waiting for transmission.
0x1	One or more of the transmission of the Message Objects in the corresponding byte of MOTRA are requested and are not yet done.

RO

0x0