RF69 datasheet(73/81 Pages) ETC2

73 / 81 page

RF69

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RegPacketConfig1

(0x37)

PacketFormat

Defines the packet format used:

0 → Fixed length

1 → Variable length

6-5

DcFree

Defines DC-free encoding/decoding performed:

00 → None (Off)

01 → Manchester

10 → Whitening

11 → reserved

CrcOn

Enables CRC calculation/check (Tx/Rx):

0 → Off

1 → On

CrcAutoClearOff

Defines the behavior of the packet handler when CRC

check fails:

0 → Clear FIFO and restart new packet reception. No

PayloadReady interrupt issued.

1 → Do not clear FIFO. PayloadReady interrupt issued.

2-1

AddressFiltering

Defines address based filtering in Rx:

00 → None (Off)

01 → Address field must match NodeAddress

10 → Address field must match NodeAddress or

BroadcastAddress

11 → reserved

unused

RegPayloadLength

(0x38)

7-0

PayloadLength

0x40

If PacketFormat = 0 (fixed), payload length.

If PacketFormat = 1 (variable), max length in Rx, not used

in Tx.

RegNodeAdrs

(0x39)

7-0

NodeAddress

0x00

Node address used in address filtering.

RegBroadcastAdrs

(0x3A)

7-0

BroadcastAddress

0x00

Broadcast address used in address filtering.

RegAutoModes

(0x3B)

7-5

EnterCondition

000

Interrupt condition for entering the intermediate mode:

000 → None (AutoModes Off)

001 → Rising edge of FifoNotEmpty

010 → Rising edge of FifoLevel

011 → Rising edge of CrcOk

100 → Rising edge of PayloadReady

101 → Rising edge of SyncAddress

110 → Rising edge of PacketSent

111 → Falling edge of FifoNotEmpty (i.e. FIFO empty)

4-2

ExitCondition

000

Interrupt condition for exiting the intermediate mode:

000 → None (AutoModes Off)

001 → Falling edge of FifoNotEmpty (i.e. FIFO empty)

010 → Rising edge of FifoLevel or Timeout

011 → Rising edge of CrcOk or Timeout

100 → Rising edge of PayloadReady or Timeout

101 → Rising edge of SyncAddress or Timeout

110 → Rising edge of PacketSent

111 → Rising edge of Timeout

1-0

IntermediateMode

Intermediate mode:

00 → Sleep mode (SLEEP)

01 → Standby mode (STDBY)

10 → Receiver mode (RX)

11 → Transmitter mode (TX)

Page 72

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