AF_ID_Reg_n (CANFD) Register Description
| Register Name | AF_ID_Reg_n |
|---|---|
| Relative Address | 0x0000000A04 |
| Absolute Address |
0x00FF060A04 (CANFD0) 0x00FF070A04 (CANFD1) |
| Width | 32 |
| Type | rwNormal read/write |
| Reset Value | 0x00000000 |
| Description | 32 Acceptance Filter ID regs 0 to 31 at 0x0A04, 0x0A0C, etc (0x08 step) |
There are 32 acceptance filter ID registers (AFIR). The first acceptance filter mask register is at offset 0x0A04. Second acceptance mask register is at 0x0A0C. The address increment between mask registers is 0x008. Note: For Extended frames, program to these bits: [AIID], [AISRR], [AIIDE], [AIID], and [AIRTR]. Note: For Standard frames, program to these bits: [AIID], [AISRR], and [AIIDE]. Write 0 to [AIID] and [AIRTR]. Software Driver name: AF_FID Original Bit Field Engineering Name: AMID
AF_ID_Reg_n (CANFD) Register Bit-Field Summary
| Field Name | Bits | Type | Reset Value | Description |
|---|---|---|---|---|
| AIID | 31:21 | rwNormal read/write | 0 | Standard Message ID. Standard Identifier. |
| AISRR | 20 | rwNormal read/write | 0 | Substitute Remote Transmission Request. Indicates the Remote Transmission Request bit for Standard frames. |
| AIIDE | 19 | rwNormal read/write | 0 | Identifier Extension. Differentiates between Standard and Extended frames. |
| AIID_EXT | 18:1 | rwNormal read/write | 0 | Extended Message ID. Extended Identifier. |
| AIRTR | 0 | rwNormal read/write | 0 | Remote Transmission Request. RTR bit for Extended frames. |