CAN Module

Zynq UltraScale+ Devices Register Reference (UG1087)

Document ID

UG1087

Release Date

2024-03-13

Revision

1.10

CAN Module Description

Module Name	CAN Module
Modules of this Type	CAN0, CAN1
Base Addresses	0x00FF060000 (CAN0) 0x00FF070000 (CAN1)
Description	Controller Area Network Controller

CAN Module Register Summary

Register Name	Offset Address	Width	Type	Reset Value	Description
SRR	0x0000000000	32	rwNormal read/write	0x00000000	Software Reset and Enable
MSR	0x0000000004	32	rwNormal read/write	0x00000000	Mode Select
BRPR	0x0000000008	32	rwNormal read/write	0x00000000	Baud Rate Prescaler
BTR	0x000000000C	32	rwNormal read/write	0x00000000	Bit Timing and Synchronization
ECR	0x0000000010	32	roRead-only	0x00000000	Rx and Tx Error Counters
ESR	0x0000000014	32	mixedMixed types. See bit-field details.	0x00000000	Error Status
SR	0x0000000018	32	mixedMixed types. See bit-field details.	0x00000001	Controller Status
ISR	0x000000001C	32	mixedMixed types. See bit-field details.	0x00006000	Interrupt Status
IER	0x0000000020	32	rwNormal read/write	0x00000000	Interrupt Enable
ICR	0x0000000024	32	mixedMixed types. See bit-field details.	0x00000000	Interrupt Clear
TCR	0x0000000028	32	mixedMixed types. See bit-field details.	0x00000000	Timestamp Clear.
WIR	0x000000002C	32	rwNormal read/write	0x00003F3F	Rx and Tx Watermark Settings.
TXFIFO_ID	0x0000000030	32	woWrite-only	0x00000000	Tx Message FIFO, Identifier, Request.
TXFIFO_DLC	0x0000000034	32	woWrite-only	0x00000000	Tx Message FIFO Data Length Code.
TXFIFO_DATA1	0x0000000038	32	woWrite-only	0x00000000	Tx Message FIFO, data word 1.
TXFIFO_DATA2	0x000000003C	32	woWrite-only	0x00000000	Tx Message FIFO, data word 2.
TXHPB_ID	0x0000000040	32	woWrite-only	0x00000000	High Priority Tx Message FIFO, Identifier, Request.
TXHPB_DLC	0x0000000044	32	woWrite-only	0x00000000	High Priority Tx Message FIFO Data Length Code.
TXHPB_DATA1	0x0000000048	32	woWrite-only	0x00000000	High Priority Tx Message FIFO, data word 1.
TXHPB_DATA2	0x000000004C	32	woWrite-only	0x00000000	High Priority Tx Message FIFO, data word 0.
RXFIFO_ID	0x0000000050	32	roRead-only	0x00000000	Rx Message FIFO, Identifier, Request.
RXFIFO_DLC	0x0000000054	32	rwNormal read/write	0x00000000	Rx Message FIFO Data Length Code.
RXFIFO_DATA1	0x0000000058	32	rwNormal read/write	0x00000000	Rx Message FIFO, data word 1.
RXFIFO_DATA2	0x000000005C	32	rwNormal read/write	0x00000000	Rx Message FIFO, data word 2.
AFR	0x0000000060	32	rwNormal read/write	0x00000000	Acceptance Filter Enables.
AFMR1	0x0000000064	32	rwNormal read/write	0x00000000	Acceptance Filter 1 Mask.
AFIR1	0x0000000068	32	rwNormal read/write	0x00000000	Acceptance Filter 1 ID.
AFMR2	0x000000006C	32	rwNormal read/write	0x00000000	Acceptance Filter 2 Mask.
AFIR2	0x0000000070	32	rwNormal read/write	0x00000000	Acceptance Filter 2 ID.
AFMR3	0x0000000074	32	rwNormal read/write	0x00000000	Acceptance Filter 3 Mask.
AFIR3	0x0000000078	32	rwNormal read/write	0x00000000	Acceptance Filter 3 ID.
AFMR4	0x000000007C	32	rwNormal read/write	0x00000000	Acceptance Filter 4 Mask.
AFIR4	0x0000000080	32	rwNormal read/write	0x00000000	Acceptance Filter 4 ID.