The anomalies listed in this table are no longer present in the current chip version.
For a detailed description of the fixed anomalies, see the nRF52840 Engineering A Errata.
| ID | Module | Description |
|---|---|---|
| 15 | POWER | RAM[x].POWERSET/CLR read as zero |
| 54 | I2S | Wrong LRCK polarity in Aligned mode |
| 58 | SPIM | An additional byte is clocked out when RXD.MAXCNT = 1 |
| 68 | CLOCK | EVENTS_HFCLKSTARTED can be generated before HFCLK is stable |
| 83 | TWIS | STOPPED event occurs twice if the STOP task is triggered during a transaction |
| 89 | GPIOTE | Static 400 µA current while using GPIOTE |
| 96 | I2S | DMA buffers can only be located in the first 64 kB of data RAM |
| 97 | GPIOTE | High current consumption in System ON Idle mode |
| 98 | NFCT | Not able to communicate with the peer |
| 103 | CCM | Reset value of CCM.MAXPACKETSIZE causes encryption, decryption, and MIC failures |
| 104 | USBD | EPDATA event is not always generated |
| 110 | RADIO | Packet loss or degraded sensitivity |
| 111 | RAM | Retention in OFF mode is not controlled by RAM[n].POWER->SxRETENTION, but by RAM[n].POWER->SxPOWER |
| 112 | RADIO | False SFD field matches in IEEE 802.15.4 mode RX |
| 113 | COMP | Single-ended mode with external reference is not functional |
| 115 | RAM | RAM content cannot be trusted upon waking up from System ON Idle or System OFF mode |
| 116 | NFCT | HFCLK not stopped when entering into SENSE_FIELD state |
| 117 | System | Reading address 0x40029618 blocks the device |
| 118 | QSPI | Reading halfwords or bytes from the XIP region is not supported |
| 119 | POWER | Wake up from System OFF on V<sub>BUS</sub> detect is not functional |
| 121 | QSPI | Second read and long read commands fail |
| 127 | UARTE | Two stop bit setting is not functional |
| 128 | PDM | RATIO register is not functional |
| 131 | UARTE | EasyDMA transfer size is limited to 255 bytes |
| 133 | CLOCK,RADIO | NRF_RADIO->EVENTS_BCMATCH event might trigger twice |
| 134 | USBD | ISOINCONFIG register is not functional |
| 135 | USBD | SIZE.ISOOUT register does not report empty incoming packets |
| 140 | POWER | REG0 External circuitry supply in LDO mode is not functional in System ON IDLE |
| 142 | RADIO | Sensitivity not according to specification |
| 143 | RADIO | False CRC failures on specific addresses |
| 144 | NFCT | Not optimal NFC performance |
| 145 | SPIM | SPIM3 not functional |
| 147 | CLOCK | LFRC ULP mode not calibrated in production |
| 150 | SAADC | EVENT_STARTED does not fire |
| 151 | NVMC | Access to protected memory through Cache |
| 154 | USBD | USBD acknowledges setup stage without STATUS task |
| 156 | GPIOTE | Some CLR tasks give unintentional behavior |
| 158 | RADIO | High power consumption in DISABLED state |
| 160 | SAADC | VDDHDIV5 not functional |
| 162 | USBD | Writing to registers with offset address 0x52C causes USB to halt |
| 164 | RADIO | Low selectivity in long range mode |
| 180 | USBD | Wrong PLL calibration in production |
| 181 | NFCT | Invalid value in FICR for double-size NFCID1 |
| 200 | USBD | Cannot write to SIZE.EPOUT register |