System I/O and CAN1 Configuration Register
| Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
| CAN1DMABA[15:8] | |||||||||
| Access | |||||||||
| Reset | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | |
| Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
| CAN1DMABA[7:0] | |||||||||
| Access | |||||||||
| Reset | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
| SYSIO12 | |||||||||
| Access | |||||||||
| Reset | 0 |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| SYSIO7 | SYSIO6 | SYSIO5 | SYSIO4 | ||||||
| Access | |||||||||
| Reset | 0 | 0 | 0 | 0 |
PB4 or TDI Assignment
| Value | Description |
|---|---|
| 0 | TDI function selected. |
| 1 | PB4 function selected. |
PB5 or TDO/TRACESWO Assignment
| Value | Description |
|---|---|
| 0 | TDO/TRACESWO function selected. |
| 1 | PB5 function selected. |
PB6 or TMS/SWDIO Assignment
| Value | Description |
|---|---|
| 0 | TMS/SWDIO function selected. |
| 1 | PB6 function selected. |
PB7 or TCK/SWCLK Assignment
| Value | Description |
|---|---|
| 0 | TCK/SWCLK function selected. |
| 1 | PB7 function selected. |
PB12 or ERASE Assignment
| Value | Description |
|---|---|
| 0 | ERASE function selected. |
| 1 | PB12 function selected. |
CAN1 DMA Base Address
Give the 16-bit MSB of the CAN1 DMA base address. The 16-bit LSB must be programmed into CAN1 User interface.
Default address is 0x20400000.