New and inherited anomalies

The following anomalies are present in Revision 1 of the nRF52840 chip.

Table 1. New and inherited anomalies
ID Module Description New in Revision 1 Inherited from Engineering C
20 RTC Register values are invalid   X
36 CLOCK Some registers are not reset when expected   X
55 I2S RXPTRUPD and TXPTRUPD events asserted after STOP   X
66 TEMP Linearity specification not met with default settings   X
78 TIMER High current consumption when using timer STOP task only   X
81 GPIO PIN_CNF is not retained when in debug interface mode   X
87 CPU Unexpected wake from System ON Idle when using FPU   X
122 QSPI QSPI uses current after being disabled   X
136 System Bits in RESETREAS are set when they should not be   X
153 RADIO RSSI parameter adjustment   X
155 GPIOTE IN event may occur more than once on input edge   X
166 USBD ISO double buffering not functional   X
170 I2S NRF_I2S->PSEL CONNECT fields are not readable   X
171 USBD USB might not power up   X
172 RADIO Bluetooth Long Range co-channel performance   X
173 GPIO Writes to LATCH register take several CPU cycles to take effect   X
174 SPIM SPIM3 events incorrectly connected to the PPI   X
176 System Flash erase through CTRL-AP fails due to watchdog time-out   X
179 RTC COMPARE event is generated twice from a single RTC compare match   X
183 PWM False SEQEND[0] and SEQEND[1] events   X
184 NVMC Erase or write operations from the external debugger fail when CPU is not halted   X
187 USBD USB cannot be enabled   X
190 NFCT Event FIELDDETECTED may be generated too early   X
191 RADIO High packet error rate in BLE Long Range mode   X
192 CLOCK LFRC frequency offset after calibration   X
193 SPIM SPIM3 does not generate EVENTS_END and halts if suspended during last byte   X
194 I2S STOP task does not switch off all resources   X
195 SPIM SPIM3 continues to draw current after disable   X
196 I2S PSEL acquires GPIOs regardless of ENABLE   X
197 POWER DCDC of REG0 not functional   X
198 SPIM SPIM3 transmit data might be corrupted   X
199 USBD USBD cannot receive tasks during DMA   X
201 CLOCK EVENTS_HFCLKSTARTED might be generated twice   X
202 POWER Device does not start up in high voltage mode   X
204 RADIO Switching between TX and RX causes unwanted emissions   X
208 QSPI PPI Deactivate task does not switch off all resources   X
209 CLOCK LFRC ULP mode calibration not functional   X
210 GPIO Bits in GPIO LATCH register are incorrectly set to 1 X  
212 SAADC Events are not generated when switching from scan mode to no-scan mode with burst enabled   X
213 WDT WDT configuration is cleared when entering system OFF   X
214 SPIS Incorrect data transferred   X
215 QSPI Reading QSPI registers after XIP might halt CPU   X
216 QSPI Race condition occurs in XIP   X
218 NFCT Frame delay timing is too short after SLP_REQ   X
219 TWIM I2C timing spec is violated at 400 kHz   X
228 RADIO No interrupt is generated for SYNC event   X
233 NVMC NVMC READYNEXT not generated   X
236 RADIO Conversion formulas for RADIO energy related values incorrect in PS   X
237 SAADC TASKS_CALIBRATEOFFSET shall only be used before TASKS_START or after EVENTS_END   X
241 SAADC Static 400 µA current after SAADC is disabled   X
242 NVMC NVMC operations during POFWARN cause the CPU to hang   X
243 RADIO T_IFS is inaccurate with Bluetooth Long Range   X
244 QSPI External flash and QSPI returns erroneous data when the SoftDevice is running   X
245 RADIO CRC is wrong when data whitening is enabled and address field is included in CRC calculation   X
246 System Intermittent extra current consumption when going to sleep   X
248 RADIO Reading DTX in MODECNF0 gives incorrect value   X
252 SAADC Unexpected behavior when TASKS_CALIBRATEOFFSET is used during sampling   X
Parent topic: nRF52840 Revision 1 Errata