nRF52840 Engineering A Errata

nRF52840 Engineering A Errata
Change log
New and inherited anomalies
[15] POWER: RAM[x].POWERSET/CLR read as zero
[20] RTC: Register values are invalid
[36] CLOCK: Some registers are not reset when expected
[54] I2S: Wrong LRCK polarity in Aligned mode
[55] I2S: RXPTRUPD and TXPTRUPD events asserted after STOP
[58] SPIM: An additional byte is clocked out when RXD.MAXCNT = 1
[66] TEMP: Linearity specification not met with default settings
[68] CLOCK: EVENTS_HFCLKSTARTED can be generated before HFCLK is stable
[78] TIMER: High current consumption when using timer STOP task only
[81] GPIO: PIN_CNF is not retained when in debug interface mode
[83] TWIS: STOPPED event occurs twice if the STOP task is triggered during a transaction
[87] CPU: Unexpected wake from System ON Idle when using FPU
[89] GPIOTE: Static 400 µA current while using GPIOTE
[94] USBD: BUSSTATE register is not functional
[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 VBUS detect is not functional
[121] QSPI: Second read and long read commands fail
[122] QSPI: QSPI uses current after being disabled
[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
[136] System: Bits in RESETREAS are set when they should not be
[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
[153] RADIO: RSSI parameter adjustment
[154] USBD: USBD acknowledges setup stage without STATUS task
[155] GPIOTE: IN event may occur more than once on input edge
[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
[166] USBD: ISO double buffering not functional
[170] I2S: NRF_I2S->PSEL CONNECT fields are not readable
[171] USB,USBD: USB might not power up
[173] GPIO: Writes to LATCH register take several CPU cycles to take effect
[176] System: Flash erase through CTRL-AP fails due to watchdog time-out
[179] RTC: COMPARE event is generated twice from a single RTC compare match
[180] USBD: Wrong PLL calibration in production
[181] NFCT: Invalid value in FICR for double-size NFCID1
[183] PWM: False SEQEND[0] and SEQEND[1] events
[184] NVMC: Erase or write operations from the external debugger fail when CPU is not halted
[192] CLOCK: LFRC frequency offset after calibration
[194] I2S: STOP task does not switch off all resources
[196] I2S: PSEL acquires GPIOs regardless of ENABLE
[200] USBD: Cannot write to SIZE.EPOUT register
[201] CLOCK: EVENTS_HFCLKSTARTED might be generated twice

Back to home page