IER (CAN) Register Description
| Register Name | IER |
|---|---|
| Offset Address | 0x0000000020 |
| Absolute Address |
0x00FF060020 (CAN0) 0x00FF070020 (CAN1) |
| Width | 32 |
| Type | rwNormal read/write |
| Reset Value | 0x00000000 |
| Description | Interrupt Enable |
IER (CAN) Register Bit-Field Summary
| Field Name | Bits | Type | Reset Value | Description |
|---|---|---|---|---|
| Reserved | 31:15 | rwNormal read/write | 0x0 | Reserved |
| ETXFEMP | 14 | rwNormal read/write | 0x0 | Enable TXFIFO Empty Interrupt Writes to this bit enable or disable interrupts when the TXFEMP bit in the ISR is set. 1: Enable interrupt generation if TXFEMP bit in ISR is set. 0: Disable interrupt generation if TXFEMP bit in ISR is set. |
| ETXFWMEMP | 13 | rwNormal read/write | 0x0 | Enable TXFIFO watermark Empty Interrupt Writes to this bit enable or disable interrupts when the TXFWMEMP bit in the ISR is set. 1: Enable interrupt generation if TXFWMEMP bit in ISR is set. 0: Disable interrupt generation if TXFWMEMP bit in ISR is set. |
| ERXFWMFLL | 12 | rwNormal read/write | 0x0 | Enable RXFIFO watermark Full Interrupt Writes to this bit enable or disable interrupts when the RXFLL bit in the ISR is set. 1: Enable interrupt generation if RXFWMFLL bit in ISR is set. 0: Disable interrupt generation if RXFWMFLL bit in ISR is set. |
| EWKUP | 11 | rwNormal read/write | 0x0 | Enable Wake up Interrupt Writes to this bit enable or disable interrupts when the WKUP bit in the ISR is set. 1: Enable interrupt generation if WKUP bit in ISR is set. 0: Disable interrupt generation if WKUP bit in ISR is set. |
| ESLP | 10 | rwNormal read/write | 0x0 | Enable Sleep Interrupt Writes to this bit enable or disable interrupts when the SLP bit in the ISR is set. 1: Enable interrupt generation if SLP bit in ISR is set. 0: Disable interrupt generation if SLP bit in ISR is set. |
| EBSOFF | 9 | rwNormal read/write | 0x0 | Enable Bus OFF Interrupt Writes to this bit enable or disable interrupts when the BSOFF bit in the ISR is set. 1: Enable interrupt generation if BSOFF bit in ISR is set. 0: Disable interrupt generation if BSOFF bit in ISR is set. |
| EERROR | 8 | rwNormal read/write | 0x0 | Enable Error Interrupt Writes to this bit enable or disable interrupts when the ERROR bit in the ISR is set. 1: Enable interrupt generation if ERROR bit in ISR is set. 0: Disable interrupt generation if ERROR bit in ISR is set. |
| ERXNEMP | 7 | rwNormal read/write | 0x0 | Enable Receive FIFO Not Empty Interrupt Writes to this bit enable or disable interrupts when the RXNEMP bit in the ISR is set. 1: Enable interrupt generation if RXNEMP bit in ISR is set. 0: Disable interrupt generation if RXNEMP bit in ISR is set. |
| ERXOFLW | 6 | rwNormal read/write | 0x0 | Enable RX FIFO Overflow Interrupt Writes to this bit enable or disable interrupts when the RXOFLW bit in the ISR is set. 1: Enable interrupt generation if RXOFLW bit in ISR is set. 0: Disable interrupt generation if RXOFLW bit in ISR is set. |
| ERXUFLW | 5 | rwNormal read/write | 0x0 | Enable RX FIFO Underflow Interrupt Writes to this bit enable or disable interrupts when the RXUFLW bit in the ISR is set. 1: Enable interrupt generation if RXUFLW bit in ISR is set. 0: Disable interrupt generation if RXUFLW bit in ISR is set. |
| ERXOK | 4 | rwNormal read/write | 0x0 | Enable New Message Received Interrupt Writes to this bit enable or disable interrupts when the RXOK bit in the ISR is set. 1: Enable interrupt generation if RXOK bit in ISR is set. 0: Disable interrupt generation if RXOK bit in ISR is set. |
| ETXBFLL | 3 | rwNormal read/write | 0x0 | Enable High Priority Transmit Buffer Full Interrupt Writes to this bit enable or disable interrupts when the TXBFLL bit in the ISR is set. 1: Enable interrupt generation if TXBFLL bit in ISR is set. 0: Disable interrupt generation if TXBFLL bit in ISR is set. |
| ETXFLL | 2 | rwNormal read/write | 0x0 | Enable Transmit FIFO Full Interrupt Writes to this bit enable or disable interrupts when TXFLL bit in the ISR is set. 1: Enable interrupt generation if TXFLL bit in ISR is set. 0: Disable interrupt generation if TXFLL bit in ISR is set. |
| ETXOK | 1 | rwNormal read/write | 0x0 | Enable Transmission Successful Interrupt Writes to this bit enable or disable interrupts when the TXOK bit in the ISR is set. 1: Enable interrupt generation if TXOK bit in ISR is set. 0: Disable interrupt generation if TXOK bit in ISR is set. |
| EARBLST | 0 | rwNormal read/write | 0x0 | Enable Arbitration Lost Interrupt Writes to this bit enable or disable interrupts when the ARBLST bit in the ISR is set. 1: Enable interrupt generation if ARBLST bit in ISR is set. 0: Disable interrupt generation if ARBLST bit in ISR is set. |